無縫鋼管 GB/T17395-1998

無縫鋼管 GB/T17395-1998

(1)外徑和壁厚鋼管尺寸分為普通鋼管尺寸組(見表6-1)、精密鋼管尺寸組(見表6-2)和不銹鋼管尺寸組(見表6-3)。

鋼管的外徑分為三個系列。第一系列：標準化鋼管；第二系列：非標準化為主的鋼管；第三系列：特殊用途鋼管。普通鋼管的外徑分為系列1、2、3，精密鋼管的外徑分為系列2、3，不銹鋼管的外徑分為系列1、2、3。

(2)允許偏差見表6-4—表6-7。

(3)長度見表6-8。

(4)外形見表6-9—表6-11。

(5)質量見表6-12。

表6-1普通鋼管的尺寸規格

外徑／mm			壁厚／mm
系列1	系列2	系列3	0.25	0.30	0.40	0.50	0.60	0.80	1.0	1.2	1.4	1.5	1.6	1.8	2.0	2.2 (2.3)	2.5 (2.6)	2.8
系列1	系列2	系列3	單位長度理論質量／(kg／m)
-	6	-	0.035	0.042	0.055	0.068	0.080	0.103	0.123	0.142	0.159	0.166	0.174	0.186	0.197	-	-	-
-	7	-	0.042	0.050	0.065	0.080	0.095	0.122	0.148	0.172	0.193	0.203	0.213	0.231	0.247	0.260	0.277	-
-	8	-	0048	0.057	0.075	0.092	0.110	0.142	0.173	0.201	0.228	0.240	0.253	0.275	0.296	0.315	0.339	-
-	9	-	0.054	0.064	0.085	0.105	0.124	0.162	0.197	0.231	0.262	0.277	0.292	0.320	0.345	0.369	0.401	0.428
10 (10.2)	-	-	0.060	0.072	0.095	0.117	0.139	0.182	0.222	0.261	0.297	0.314	0.332	0.364	0.395	0.423	0.462	0.497
-	11	-	0.066	0.079	0.105	0.129	0.154	0.201	0.247	0.290	0.331	0.351	0.371	0.408	0.444	0.477	0.524	0.566
-	12	-	0.072	0.087	0.115	0.142	0.169	0.221	0.271	0.320	0.366	0.388	0.410	0.453	0.493	0.532	0.586	0.635
-	13(12.7)	-	0.079	0.094	0.124	0.154	0.184	0.241	0.296	0.349	0.400	0.425	0.450	0.497	0.543	0.586	0.647	0.704
13.5	-	-	0.082	0.098	0.129	0.160	0.191	0.251	0.308	0.364	0.418	0.444	0.470	0.519	0.567	0.613	0.678	0.739
-	-	14	0.085	0.101	0.134	0.166	0.198	0.260	0.321	0.379	0.435	0.462	0.490	0.542	0.592	0.640	0.709	0.773
-	16	-	0.097	0.116	0.154	0.191	0.228	0.300	0.370	0.438	0.504	0.536	0.568	0.630	0.691	0.749	0.832	0.91
17 (17.2)	-	-	0.103	0.124	0.164	0.203	0.243	0.320	0.395	0.468	0.539	0.573	0.608	0.675	0.740	0.803	0.894	0.98
-	-	18	0.109	0.131	0.174	0.216	0.258	0.340	0.419	0.497	0.573	0.610	0.647	0.719	0.789	0.857	0.956	1.05
-	19	-	0.115	0.138	0.183	0.228	0.272	0.359	0.444	0.527	0.608	0.647	0.687	0.763	0.838	0.911	1.02	1.12
-	20	-	0.122	0.146	0.193	0.240	0.287	0.379	0. 469	0.556	0.642	0.684	0.726	0.808	0.888	0.966	1.08	1.19
21 (21.3)	-	-	-	-	0.203	0.253	0.302	0. 399	0.493	0.586	0.677	0.721	0.765	0.852	0.937	1.02	1.14	1.26
-	-	22	-	-	0.212	0.265	0.317	0 .418	0.518	0.616	0. 711	0.758	0.805	0.897	0.986	1.07	1.20	1.33
-	25	-	-	-	0.242	0.302	0.361	0.477	0.592	0.704	0.815	0.869	0.923	1.03	1.13	1.24	1.39	1.53
-	-	25.4	-	-	0.247	0.307	0 367	0.485	0.602	0.716	0.829	0.884	0. 939	1.05	1.15	1.26	1.41	1.56
27 (26.9)	-	-	-	-	0.262	0.327	0.391	0. 517	0.641	0 .763	0.884	0.943	1.00	1.13	1.23	1.34	1.51	1.67
-	28	-	-	-	0.272	0.339	0.406	0.537	0.666	0.793	0.918	0.98	1.04	1.16	1.28	1.40	1.57	1.74
-	6	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	7	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	8	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	9	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
10(10.2)	-	-	0.518	0.537	0.561	-	-	-	-	-	-	-	-	-	-	-	-	-
-	11	-	0.592	0.615	0.647	-	-	-	-	-	-	-	-	-	-	-	-	-
-	12	-	0.666	0.694	0.734	0.789	-	-	-	-	-	-	-	-	-	-	-	-
-	13(12.7)	-	0.740	0.774	0.820	0.888	-	-	-	-	-	-	-	-	-	-	-	-
13.5	-	-	0.777	0.813	0.863	0.937	-	-	-	-	-	-	-	-	-	-	-	-
-	-	14	0.814	0.852	0.906	0.986	-	-	-	-	-	-	-	-	-	-	-	-
-	16	-	0.962	1.01	1.08	1.18	1.28	1.36	-	-	-	-	-	-	-	-	-	-
17(17.2)	-	-	1.04	1.09	1.17	1.28	1.39	1.48	-	-	-	-	-	-	-	-	-	-
-	-	18	1.11	1.17	1.25	1.38	1.50	1.60	-	-	-	-	-	-	-	-	-	-
-	-	19	-	1.18	1.25	1.34	1.48	1.61	1.73	1.83	1.92	-	-	-	-	-	-	-
-	20	-	1.26	1.33	1.42	1.58	1.72	1.85	1.97	2.07	-	-	-	-	-	-	-	-
21(21.3)	-	-	1.33	1.41	1.51	1.68	1.83	1.97	2.10	2.22	-	-	-	-	-	-	-	-
-	-	22	1.41	1.48	1.60	1.78	1.94	2.10	2 .24	2.37	-	-	-	-	-	-	-	-
-	25	-	1.63	1.72	1.86	2.07	2.28	2.47	2.64	2.81	2.97	3.11	-	-	-	-	-	-
-	-	25.4	1.66	1.75	1.89	2.11	2.32	2.52	2.70	2.87	3.03	3.18	-	-	-	-	-	-
27(26.9)	-	-	1.78	1.88	2.03	2.27	2.50	2.71	2.92	3.11	3.29	3.45	-	-	-	-	-	-
-	28	-	l.85	1.96	2.11	2.37	2.61	2.84	3.05	3.26	3.45	3.63	-	-	-	-	-	-
-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	30	-	-	0.292	0.364	0. 435	0.576	0.715	0.852	0.987	1.05	1.12	1.25	1.38	1.51	1.70	1.88
-	32(31.8)	-	-	-	0.311	0.388	0.465	0.616	0.765	0.911	1.056	1.13	1.20	1.34	1.48	1.62	1.82	2.02
34(33.7)	-	-	-	-	0.331	0 .413	0.494	0.655	0.814	0.971	1.125	1.20	1.28	1.43	1.58	1.72	1.94	2.15
-	-	35	-	-	0.341	0.425	0.509	0.675	0.838	1.000	1.160	1.24	1.32	1.47	1.63	1.78	2.00	2.22
-	38	-	-	-	0.370	0.462	0.553	0.734	0.912	1.089	1.26	1.35	1.44	1.61	1.78	1.94	2.19	2.43
-	40	-	-	-	0.390	0. 487	0.583	0.774	0.962	1.148	1.33	1.42	1.52	1.69	1.87	2.05	2.31	2.57
42(42.4)	-	-	-	-	-	-	-	-	1.01	1.21	1.40	1.50	1.60	1.79	1.97	2.16	2.44	2.71
-	-	45(44.5)	-	-	-	-	-	-	1.09	1.30	1.51	1.61	1.71	1.92	2.12	2.32	2.62	2.91
48(48.3)	-	-	-	-	-	-	-	-	1.16	1.39	1.61	1.72	1.83	2.05	2.27	2.48	2.81	3.12
-	51	-	-	-	-	-	-	-	1.23	1.47	1.71	1.83	1.95	2.18	2.42	2.65	2.99	3.33
-	-	54	-	-	-	-	-	-	1.31	1.56	1.82	1.94	2.07	2.32	2.56	2.81	3.18	3.54
-	57	-	-	-	-	-	-	-	1.38	1.65	1.92	2.05	2.19	2.45	2.71	2.97	3.36	3.74
60(60.3)	-	-	-	-	-	-	-	-	1.46	1.74	2.02	2.16	2.31	2.58	2.86	3.14	3.55	3.95
-	63(63.5)	-	-	-	-	-	-	-	1.53	1.83	2.13	2.27	2.42	2.72	3.01	3.30	3.73	4.16
-	65	-	-	-	-	-	-	-	1.58	1.89	2.20	2.35	2.50	2.81	3.11	3.41	3.85	4.29
-	68	-	-	-	-	-	-	-	1.65	1.98	2.30	2.46	2.62	2.94	3.26	3.57	4.04	4.50
-	70	-	-	-	-	-	-	-	1.70	2.04	2.37	2.53	2.70	3.03	3.35	3.68	4.16	4.64
-	-	73	-	-	-	-	-	-	1.78	2.12	2.47	2.64	2.82	3.16	3.50	3.84	4.35	4.85
76(76.1)	-	-	-	-	-	-	-	-	1.85	2.2l	2.58	2.76	2.94	3.29	3.65	4.00	4.53	5.05
-	77	-	-	-	-	-	-	-	-	-	2.61	2.79	2.98	3.34	3.70	4.06	4.59	5.12
-	80	-	-	-	-	-	-	-	-	-	2.71	2.90	3.09	3.47	3.85	4.22	4.78	5.33
-	-	30	2.00	2.12	2.29	2.56	2.83	3.08	3.32	3.55	3.77	3.97	4.16	4.34	-	-	-	-
-	32(31.8)	-	2.15	2.27	2.46	2.76	3.05	3.33	3.59	3.85	4.09	4.32	4.53	4.74	-	-	-	-
34(33.7)	-	-	2.29	2.43	2.63	2.96	3.27	3.58	3.87	4.14	4.41	4.66	4.90	5.13	-	-	-	-
-	-	35	2.37	2.51	2.72	3.06	3.38	3.70	4.00	4.29	4.157	4.83	5.09	5.33	5.56	5.77	-	-
-	38	-	2.59	2.75	2.98	3.35	3.72	4.07	4.41	4.74	5.05	5.35	5.64	5.92	6.18	6.44	6.68	6.91
-	40	-	2.74	2.90	3.15	3.55	3.94	4.32	4.68	5.03	5.37	5.70	6.01	6.31	6.60	6.88	7.15	7.40
42(42.4)	-	-	2.89	3.06	3.32	3.75	4.16	4.56	4.95	5.33	5.69	6.04	6.38	6.71	7.02	7.32	7.61	7.89
-	-	45(44.5)	3.11	3.30	3.58	4.04	4.49	4.93	5.36	5.77	6.17	6.56	6.94	7.30	7.65	7.99	8.32	8.63
48(48.3)	-	-	3.33	3.54	3.84	4.34	4.83	5.30	5.76	6.21	6.65	7.08	7.49	7.89	8.28	8.66	9.02	9.37
-	51	-	3.55	3.77	4.10	4.64	5.16	5.67	6.17	6.66	7.13	7.60	8.05	8.48	8.91	9.32	9.72	10.11
-	-	54	3.77	4.01	4.36	4.93	5.49	6.04	6.58	7.10	7.61	8.11	8.60	9.08	9.54	9.99	10.43	10.85
-	57	-	4.00	4.25	4.62	5.23	5.83	6.41	6.99	7.55	8.10	8.63	9.16	9.67	10.17	10.65	11.13	11.59
60(60.3)	-	-	4.22	4.48	4.88	5.52	6.16	6.78	7.39	7.99	8.58	9.15	9.71	10.26	10.80	11.32	11.83	12.33
-	63(63.5)	-	4.4.4	4.72	5.14	5.82	6.49	7.15	7.80	8.43	9.06	9.67	10.26	10.85	11.42	11.98	12.53	13.07
-	65	-	4.59	4.88	5.31	6.02	6.71	7.40	8.07	8.73	9.38	10.01	10.63	11.25	11.84	12.43	13.00	13.56
-	68	-	4.81	5.11	5.57	6.31	7.05	7.77	8.48	9.17	9.86	10.53	11.19	11.84	12.47	13.10	13.71	14.30
-	70	-	4.96	5.27	5.74	6.51	7.27	8.01	8.75	9.47	10.18	10.88	11.56	12.23	12.89	13.54	14.17	14.80
-	-	73	5.18	5.51	6.00	6.81	7.60	8.38	9.16	9.91	10.66	11.39	12.11	12.82	13.52	14.20	14.88	15.54
76(76.1)	-	-	5.40	5.75	6.26	7.10	7.93	8.75	9.56	10.36	11.14	11.91	12.67	13.42	14.15	14.87	15.58	16.28
-	77	-	5.47	5.82	6.34	7.20	8.05	8.88	9.70	10.50	11.30	12.08	12.85	13.61	14.36	15.09	15.81	16.52
-	80	-	5.70	6 06	6.60	7.50	8.38	9.25	10.10	10.95	11.78	12.60	13.41	14.20	14.99	15.76	16.52	17.26
-	-	30	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	32(31.8)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
34(33.7)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	35	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	38	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	40	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
42(42.4)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	45(44.5)	9.22	9.77	-	-	-	-	-	-	-	-	-	-	-	-	-	-
48(48.3)	-	-	10.04	10.65	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	51	-	10.85	11.54	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	54	11.67	12.43	13.14	13.81	-	-	-	-	-	-	-	-	-	-	-	-
-	57	-	12.48	13.32	14.11	14.85	-	-	-	-	-	-	-	-	-	-	-	-
60(60.3)	-	-	13.29	14.21	15.07	15.88	16.64	17.36	-	-	-	-	-	-	-	-	-	-
-	63(63.5)	-	14.11	15.09	16.03	16.92	17.76	18.55	-	-	-	-	-	-	-	-	-	-
-	65	-	14.65	15.68	16.67	17.61	18.50	19.33	-	-	-	-	-	-	-	-	-	-
-	68	-	15.46	16.57	17.63	18.64	19.61	20.52	-	-	-	-	-	-	-	-	-	-
-	70	-	16.01	17.16	18.27	19.33	20.35	21.31	22.22	-	-	-	-	-	-	-	-	-
-	-	73	16.82	18.05	19.24	20.37	21.46	22.49	23.48	24.41	25.30	-	-	-	-	-	-	-
76 (76.1)	-	-	17.63	18.94	20.20	21.41	22.56	23.67	24.73	25.75	26.71	27.62	-	-	-	-	-	-
-	77	-	17.90	19.23	20.52	21.75	22.93	24.07	25.18	26.19	27.18	28.11	-	-	-	-	-	-
-	80	-	18.72	20.12	21.48	22.79	24.04	25.25	26.41	27.52	28.58	29.59	-	-	-	-	-	-
-	-	30	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	32(31.8)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
34(33.7)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	35	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	38	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	40	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
42(42.4)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	45(44.5)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
48(48.3)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	51	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	54	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	57	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
60(60.3)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	63(63.5)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	65	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	68	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	70	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	73	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
76(76.1)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	77	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	80	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	83(82.5)	-	-	-	-	-	-	-	-	2.82	3.02	3.21	3.60	4.00	4.38	4.96	5.54
-	85	-	-	-	-	-	-	-	-	-	2.89	3.09	3.29	3.69	4.09	4.49	5.09	5.68
89(88.9)	-	-	-	-	-	-	-	-	-	-	3.02	3.24	3.45	3.87	4.29	4.71	5.33	5.95
-	95	-	-	-	-	-	-	-	-	-	3.23	3.46	3.69	4.14	4.59	5.03	5.70	6.37
-	102(101.6)	-	-	-	-	-	-	-	-	-	3.47	3.72	3.96	4.45	4.93	5.41	6.13	6.85
-	-	108	-	-	-	-	-	-	-	-	3.68	3.94	4.20	4.71	5.23	5.74	6.50	7.26
114(114.3)	-	-	-	-	-	-	-	-	-	-	-	4.16	4.44	4.98	5.52	6.07	6.87	7.68
-	121	-	-	-	-	-	-	-	-	-	-	4，42	4.71	5.29	5.87	6.45	7.31	8.16
-	127	-	-	-	-	-	-	-	-	-	-	-	-	5.56	6.17	6.77	7.68	8.58
-	133	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	8.05	8.98
140(139.7)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	142(141.3)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	146	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	152(152.4)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	159	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
168(168.3)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	180(177.8)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	194(193.7)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	203	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
219(219.1)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	245(244.5)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	83(82.5)	5.92	6.30	6.86	7.79	8.71	9.62	10.51	11.39	12.26	13.12	13.96	14.80	15.62	16.42	17.22	18.00
-	85	-	6.07	6.46	7.04	7.99	8.93	9.86	10.78	11.69	12.58	13.46	14.33	15.19	16.04	16.87	17.69	18.49
89(88.9)	-	-	6.36	6.77	7.38	8.38	9.38	10.36	11.33	12.28	13.22	14.16	15.07	15.98	16.87	17.76	18.63	19.48
-	95	-	6.81	7.24	7.90	8.98	10.04	11.10	12.14	13.17	14.19	15.19	16.18	17.16	18.13	19.09	20.03	20.96
-	102(101.6)	-	7.32	7.80	8.50	9.67	10.82	11.96	13.09	14.21	15.31	16.40	17.48	18.55	19.60	20.64	21.67	22.69
-	-	108	7.77	8.27	9.02	10.26	11.49	12.70	13.90	15.09	16.27	17.44	18.59	19.73	20.86	21.97	23.08	24.17
114(114.3)	-	-	8.21	8.74	9.54	10.85	12.15	13.44	14.72	15.98	17.23	18.47	19.70	20.91	22.11	23.30	24.48	25.65
-	121	-	8.73	9.30	10.14	11.54	12.93	14.30	15.67	17.02	18.35	19.68	20.99	22.29	23.58	24.86	26.12	27.37
-	127	-	9.19	9.77	10.66	12.13	13.59	15.04	16.48	17.90	19.31	20.71	22.10	23.48	24.84	26.19	27.53	28.85
-	133	-	9.62	10.24	11.18	12.72	14.26	15.78	17.29	18.79	20.28	21.75	23.21	24.66	26.10	27.52	28.93	30.33
140 (139.7)	-	-	10.14	10.80	11.78	13.42	15.04	16.65	18.24	19.83	21.40	22.96	24.51	26.04	27.56	29.08	30.57	32.06
-	-	142 (141.3)	10.28	10.95	11.95	13.61	15.26	16.89	18.51	20.12	21.72	23.30	24.88	26.44	27.98	29.52	31.04	32.55
-	146	-	10.58	11.27	12.30	14.01	15.70	17.39	19.06	20.72	22.36	23.99	25.62	27.22	28.82	30.41	31.98	33.54
-	-	152 (152.4)	11.02	11.74	12.82	14.60	16.37	18.13	19.87	21.60	23.32	25.03	26.73	28.41	30.08	31.74	33.39	35.02
-	-	159	-	-	13.42	15.29	17.14	18.99	20.82	22.64	24.44	26.24	28.02	29.79	31.55	33.29	35.02	36.75
168 (168.3)	-	-	-	-	14.20	16.18	18.14	20.10	22.04	23.97	25.89	27.79	29.68	31.56	33.44	35.29	37.13	38.97
-	-	180 (177.8)	-	-	15.23	17.36	19.48	21.58	23.67	25.74	27.81	29.86	31.90	33.93	35.95	37.95	39.94	41.92
-	-	194 (193.7)	-	-	16.44	18.74	21.03	23.30	25.60	27.82	30.05	32.28	34.49	36.69	38.88	41.06	43.22	45.38
-	203	-	-	-	17.22	19.63	22.03	24.41	26.79	29.15	31.50	33.83	36.16	38.47	40.77	43.06	45.33	47.59
219 (219.1)	-	-	-	-	-	-	-	-	-	31.52	34.06	36.60	39.12	41.63	44.12	46.61	49.08	51.54
-	-	245 (244.5)	-	-	-	-	-	-	-	35.36	38.23	41.08	43.93	46.76	49.57	52.38	55.17	57.95
-	-	83(82.5)	19.53	21.01	22.44	23.82	25.15	26.44	27.67	28.85	29.99	31.07	33.10	-	-	-	-	-
-	85	-	20.07	21.60	23.08	24.51	25.89	27.23	28.51	29.74	30.92	32.06	34.18	-	-	-	-	-
89(88.9)	-	-	21.16	22.79	24.36	25.89	27.37	28.80	30.18	31.52	32.80	34.03	36.35	38.47	-	-	-	-
-	95	-	22.79	24.56	26.29	27.96	29.59	31.17	32.70	34.18	35.61	36.99	39.60	42.02	-	-	-	-
-	102 (101.6)	-	24.69	26.63	28.53	30.38	32.18	33.93	35.63	37.29	38.89	40.44	43.40	46.16	47.47	48.73	51.10	-
-	-	108	26.31	28.41	30.46	32.45	34.40	36.30	38.15	39.95	41.70	43.40	46.66	49.71	51.17	52.58	55.24	57.71
114 (114.3)	-	-	27.94	30.19	32.38	34.52	36.62	38.67	40.66	42.61	44.51	46.36	49.91	53.27	54.87	56.42	59.38	62.15
-	121	-	29.84	32.26	34.62	36.94	39.21	41.43	43.60	45.72	47.79	49.81	53.71	57.41	59.18	60.91	64.21	67.83
-	127	-	31.47	34.03	36.55.	39.01	41.43	43.80	46.12	48.38	50.60	52.77	56.96	60.96	62.88	64.76	68.36	71.76
-	133	-	33.10	35.81	38.47	41.08	43.65	46.16	48.63	51.05	53.41	55.73	60.22	64.51	66.58	68.60	72.50	76.20
140 (139.7)	-	-	34.99	37.88	40.71	43.50	46.24	48.93	51.56	54.15	56.69	59.18	64.02	68.65	70.90	73.09	77.33	81.38
-	-	142 (141.3)	35.54	38.47	41.36	44.19	46.98	49.72	52.41	55.04	57.63	60.17	65.11	69.84	72.13	74.38	78.72	82.86
-	146	-	36.62	39.66	42.64	45.57	48.46	51.29	54.08	56.82	59.50	62.14	67.27	72.20	74.60	76.94	81.48	85.82
-	-	152 (152.4)	38.25	41.43	44.56	47.64	50.68	53.66	56.59	59.48	62.32	65.10	70.53	75.76	78.30	80.79	85.62	90.26
-	-	159	40.15	43.50	46.80	50.06	53.27	56.42	59.53	62.59	65.60	68.55	74.33	79.90	82.61	85.27	90.45	95.43
168 (168.3)	-	-	42.59	46.17	49.69	53.17	56.59	59.97	63.30	66.58	69.81	72.99	79.21	85.22	88.16	91.04	96.67	102.09
-	-	180 (177.8)	45.84	49.72	53.54	57.31	61.03	64.71	68.33	71.91	75.43	78.91	85.72	92.33	95.56	98.74	104.95	110.97
-	-	194 (193.7)	49.64	53.86	58.02	62.14	66.21	70.23	74.20	78.12	81.99	85.82	93.31	100.61	104.19	107.71	114.62	121.33
-	203	-	52.08	56.52	60.91	65.25	69.54	73.78	77.97	82.12	86.21	90.26	98.20	105.94	109.74	113.49	120.83	127.99
219 (219.1)	-	-	56.42	61.26	66.04	70.77	75.46	80.10	84.68	89.22	93.71	98.15	106.88	115.41	119.60	123.74	131.88	139.82
-	-	245 (244.5)	63.48	68.95	74.37	79.75	83.08	90.35	95.58	100.76	105.89	110.97	120.98	130.80	135.63	140.41	149.83	159.06
-	-	83(82.5)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	85	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
89(88.9)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	95	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	102(101.6)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	108	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
114(114.3)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	121	-	70.24	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	127	-	74.97	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	133	-	79.70	83.01	86.12	-	-	-	-	-	-	-	-	-	-	-	-	-
140(139.7)	-	-	85.22	88-88	92.33	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	142(141.3)	86.81	90.56	94.11	-	-	-	-	-	-	-	-	-	-	-	-	-
-	146	-	89.96	93.91	97.66	101.21	104.56	-	-	-	-	-	-	-	-	-	-	-
-	-	152(152.4)	94.69	98.94	102.98	106.83	110.48	-	-	-	-	-	-	-	-	-	-	-
-	-	159	100.22	104.81	109.20	113.39	117.39	121.19	126.51	-	-	-	-	-	-	-	-	-
168(168.3)	-	-	107.32	112.35	117.19	121.82	126.26	130.50	136.50	-	-	-	-	-	-	-	-	-
-	-	180(177.8)	116.79	122.41	127.84	133.07	138.10	142.93	149.81	156.26	160.30	-	-	-	-	-	-	-
-	-	194(193.7)	127.84	134.15	140.27	146.19	151.9l	157.43	165.35	172.83	177.56	-	-	-	-	-	-	-
-	203	-	134.94	141.70	148.26	154.62	160.78	166.75	175.33	183.47	188.65	200.74	-	-	-	-	-	-
219(219.1)	-	-	147.57	155.11	162.46	169.61	176.57	183.33	193.10	202.41	208.38	222.45	-	-	-	-	-	-
-	-	245(244.5)	168.08	176.91	185.54	193.98	202.22	210.25	221.94	233.18	240.44	257.71	273.74	288.54	-	-	-	-
273	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	299	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
325 (323.9)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	340 (339.7)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	351	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
356 (355.6)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	377	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	402	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
406 (406.4)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	426	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	450	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
457	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	480	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	500	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
508	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	530	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	560(559)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
610	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	630	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	660	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	500	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
508	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	530	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	560(559)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
610	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	630	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	660	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
273	-	-	-	-	-	-	-	-	-	-	42.72	45.92	49.10	52.28	55.44	58.59	61.73	64.86
-	299	-	-	-	-	-	-	-	-	-	-	-	53.91	57.41	60.89	64.36	67.82	71.27
325 (323.9)	-	-	-	-	-	-	-	-	-	-	-	-	58.72	62.54	66.34	70.13	73.02	77.68
-	340 (339.7)	-	-	-	-	-	-	-	-	-	-	-	-	65.50	69.49	73.47	77.43	81.38
-	351	-	-	-	-	-	-	-	-	-	-	-	-	67.67	71.79	75.90	80.01	84.10
356(355.6)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	77.02	81.18	85.33
-	377	-	-	-	-	-	-	-	-	-	-	-	-	-	-	81.67	86.10	90.51
-	402	-	-	-	-	-	-	-	-	-	-	-	-	-	-	87.22	91.85	96.67
406(406.4)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	88.12	92.89	97.66
-	426	-	-	-	-	-	-	-	-	-	-	-	-	-	-	92.55	97.57	102.59
-	450	-	-	-	-	-	-	-	-	-	-	-	-	-	-	97.88	103.20	108.50
457	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	99.44	104.84	110.24
-	480	-	-	-	-	-	-	-	-	-	-	-	-	-	-	104.53	110.22	115.90
-	500	-	-	-	-	-	-	-	-	-	-	-	-	-	-	108.97	114.91	120.83
508	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	110.75	116.79	122.81
-	530	-	-	-	-	-	-	-	-	-	-	-	-	-	-	115.63	121.94	128.23
-	-	560(559)	-	-	-	-	-	-	-	-	-	-	-	-	-	122.29	128.97	135.63
610	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	133.39	140.69	147.97
-	630	-	-	-	-	-	-	-	-	-	-	-	-	-	-	137.82	145.36	152.89
-	-	660	-	-	-	-	-	-	-	-	-	-	-	-	-	144.49	152.40	160.30
273	-	-	71.07	77.24	83.35	89.42	95.43	101.40	107.32	113.19	119.01	124.78	136.17	147.37	152.89	158.37	169.17	179.77
-	299	-	78.13	84.93	91.69	98.39	105.05	111.68	118.22	124.73	131.19	137.60	150.28	162.76	168.92	175.04	187.12	199.01
325 (323.9)	-	-	85.18	92.63	100.02	107.37	114.67	121.92	129.12	136.27	143.37	150.43	164.38	178.14	184.95	191.71	205.07	218.24
-	340 (339.7)	-	89.25	97.07	104.84	112.56	120.22	127.85	135.42	142.94	150.41	157.83	172.53	187.03	194.21	201.34	215.44	229.35
-	351	-	92.23	100.32	108.36	116.35	124.29	132.18	140.02	147.81	155.56	163.25	178.49	193.53	200.98	208.38	223.04	237.48
356 (355.6)	-	-	93.59	101.80	109.97	118.08	126.14	134.16	142.12	150.04	157.91	165.72	181.21	196.50	204.07	211.60	226.49	241.19
-	377	-	99.28	108.02	116.69	125.32	133.90	142.44	150.92	159.35	167.74	176.07	192.59	208.92	217.01	225.05	240.98	256.71
-	402	-	106.06	115.41	124.71	133.95	143.15	152.30	161.40	170.45	179.45	188.40	206.16	233.72	232.42	241.08	258.24	275.21
406 (406.4)	-	-	107.15	116.60	126.00	135.34	144.64	153.89	163.09	172.24	181.34	190.39	208.34	226.10	234.90	243.66	261.02	278.18
-	426	-	112.58	122.52	132.40	142.24	152.03	161.77	171.46	181.10	190.70	200.24	219.18	237.92	247.22	256.46	274.81	292.96
-	450	-	119.08	130.61	140.09	150.52	160.91	171.24	181.52	191.76	201.94	212.08	232.20	252.12	262.01	271.85	291.38	310.72
457	-	-	120.99	131.69	142.35	152.95	163.51	174.01	184.47	194.88	205.23	215.54	236.01	256.28	266.34	276.36	296.23	315.91
-	480	-	127.22	139.49	149.71	160.88	172.00	183.08	194.10	205.07	216.00	226.37	248.47	269.88	280.51	291.09	312.10	332.91
-	500	-	132.65	145.41	156.12	167.79	179.40	190.97	202.48	213.95	225.37	236.74	259.32	281.72	292.84	303.91	325.91	347.91
508	-	-	134.82	146.79	158.70	170.56	182.37	194.13	205.85	217.51	229.13	240.70	263.68	286.47	297.79	309.06	331.45	353.65
-	530	-	140.78	153.29	165.74	178.14	190.50	202.80	215.06	227.27	239.42	251.53	275.60	299.47	311.33	323.14	346.62	369.90
-	-	560(559)	148.92	163.16	175.36	188.50	201.60	214.64	227.64	240.58	253.48	266.33	291.18	317.23	329.85	342.40	367.36	392.12
610	-	-	162.49	176.97	191.40	205.78	220.10	234.38	248.61	262.79	276.92	291.01	319.02	346.84	360.67	374.46	401.88	429.11
-	630	-	167.91	183.88	197.80	212.67	227.49	242.26	256.98	271.65	286.28	300.85	329.85	358.66	373.00	387.28	415.69	443.91
-	-	660	176.06	191.77	207.43	223.04	238.60	254.11	209.57	284.99	300.35	315.67	346.15	376.43	391.50	406.52	436.41	466.10
273	-	-	190.18	204.58	214.84	224.90	234.76	244.43	258.56	272.45	281.12	295.69	315.17	333.42	-	-	-	-
-	299	-	210.70	222.19	233.58	244.58	255.48	266.18	281.86	297.10	307.02	330.96	353.62	375.08	-	-	-	-
325 (323.9)	-	-	231.21	243.99	256.56	268.94	281.12	293.11	310.72	327.88	339.08	366.22	392.09	416.75	-	-	-	-
-	340 (339.7)	-	243.06	256.58	269.90	283.01	295.94	308.66	327.38	345.66	357.59	386.57	414.31	440.82	-	-	-	-
-	351	-	251.73	265.79	279.64	293.31	306.77	320.04	339.57	358.66	371.13	401.49	430.56	458.43	-	-	-	-
356 (355.6)	-	-	255.69	269.99	284.10	298.01	311.72	325.23	345.14	364.60	377.32	408.27	437.99	466.47	-	-	-	-
-	377	-	272.25	287.58	302.73	317.67	332.42	346.97	368.42	389.43	403.19	436.76	469.03	500.10	-	-	-	-
-	402	-	291.97	308.55	324.92	341.10	357.08	372.86	396.16	419.02	434.02	470.66	506.02	540.18	-	-	-	-
406(406.4)	-	-	295.15	311.92	328.49	344.87	361.04	377.02	400.63	423.78	438.97	476.09	511.97	546.62	-	-	-	-
-	426	-	310.91	328.67	346.23	363.59	380.75	397.72	422.80	447.43	463.61	503.22	541.53	578.65	-	-	-	-
-	450	-	329.85	348.79	367.53	386.08	404.42	422.57	449.43	475.84	493.20	535.77	577.04	617.12	-	-	-	-
457	-	-	335.40	354.68	373.77	392.66	411.35	429.85	457.22	484.15	501.86	545.27	587.44	628.38	-	-	-	-
-	480	-	353.53	373.94	394.17	414.19	436.02	453.64	482.72	511.35	530.19	576.46	621.43	665.20	-	-	-	-
-	500	-	369.31	390.71	411.92	432.93	453.74	474.36	504.91	535.02	554.85	603.59	651.02	697.26	-	-	-	-
508	-	-	375.64	397.44	419.05	440.45	461.66	482.67	513.82	544.53	564.75	614.44	662.90	710.13	-	-	-	-
-	530	-	392.98	415.87	438.55	461.04	483.34	505.43	538.20	570.53	591.84	644.28	695.41	745.35	-	-	-	-
-	-	560 (599)	416.68	441.05	465.21	489.19	512.96	536.53	571.53	606.08	628.87	684.97	739.84	793.48	-	-	-	-
610	-	-	456.14	482.97	509.60	536.04	562.28	588.32	627.02	665.27	690.52	752.79	813.83	873.63	-	-	-	-
-	630	-	471.92	499.74	527.36	554.79	582.01	609.04	649.21	688.94	715.18	779.92	843.42	905.69	-	-	-	-
-	-	660	495.60	524.90	554.00	582.90	611.60	640.11	682.51	724.46	752.18	820.61	887.81	953.78	-	-	-	-

注：1.括號內尺寸表示相應的英制規格。

2.通常應采用公稱尺寸，不推薦采用英制尺寸。

3.理論質量按密度為7.85kg／dm³計算。

表6-2緊密鋼管的尺寸規格

外徑／mm		壁厚/mm
系列2	系列3	0.5	(0.8)	1.0	(1.2)	1.5	(1.8)	2.0	(2.2)	2.5	(2.8)	3.0	(3.5)	4	(4.5)
系列2	系列3	單位長度理
4	-	0.043	0.063	0.074	0.083	-	-	-	-	-	-	-	-	-	-
5	-	0.056	0.083	0.099	0.112	-	-	-	-	-	-	-	-	-	-
6	-	0.068	0.103	0.123	0.142	0.166	0.186	0.197	-	-	-	-	-	-	-
8	-	0.092	0.142	0.173	0.201	0.240	0.275	0.296	0.315	0.339	-	-	-	-	-
10	-	0.117	0.182	0.222	0.260	0.314	0.364	0.395	0.423	0.462	-	-	-	-	-
12	-	0.142	0.221	0.271	0.320	0.388	0.453	0.493	0.532	0.586	0.635	0.666	-	-	-
12.7	-	0.150	0.235	0.289	0.340	0.414	0.484	0.528	0.570	0.629	0.684	0.718	-	-	-
-	14	0.166	0.260	0.321	0.379	0.462	0.542	0.592	0.640	0.709	0.773	0.814	0.906	-	-
16	-	0.191	0.300	0.370	0.438	0.536	0.630	0.691	0.749	0.832	0.911	0.962	1.08	1.18	-
-	18	0.216	0.339	0.419	0.497	0.610	0.719	0.789	0.857	0.956	1.05	1.11	1.25	1.38	1.50
20	-	0.240	0.379	0.469	0.556	0.684	0.808	0.888	0.966	1.08	1.19	1.26	1.42	1.58	1.72
-	22	0.265	0.418	0.518	0.616	0.758	0.897	0.986	1.07	1.20	1.33	1.41	1.60	1.70	1.94
25	-	0.302	0.477	0.592	0.704	0.869	1.03	1.13	1.24	1.39	1.53	1.63	1.86	2.07	2.28
-	28	0.339	0.537	0.666	0.793	0.980	1.16	1.28	1.40	1.57	1.74	1.85	2.11	2.37	2.61
-	30	0.364	0.576	0.715	0.852	1.05	1.25	1.38	1.51	1.70	1.88	2.00	2.29	2.56	2.83
32	-	0.388	0.616	0.765	0.911	1.13	1.34	1.48	1.62	1.82	2.02	2.15	2.46	2.76	3.05
-	35	0.425	0.675	0.838	1.00	1.24	1.47	1.63	1.78	2.00	2.22	2.37	2.72	3.06	3.38
38	-	0.462	0.734	0.912	1.09	1.35	1.61	1.78	1.94	2.19	2.43	2.59	2.98	3.35	3.72
40	-	0.87	0.773	0.962	1.15	1.42	1.70	1.87	2.05	2.31	2.57	2.74	3.15	3.55	3.94
42	-	-	0.813	1.01	1.21	1.50	1.78	1.97	2.16	2.44	2.71	2.89	3.32	3.75	4.16
-	45	-	0.872	1.09	1.30	1.61	1.92	2.12	2.32	2.62	2.91	3.11	3.58	4.04	4.49
48	-	-	-	1.16	1.39	1.72	2.05	2.27	2.48	2.81	3.12	3.33	3.84	4.34	4.83
50	-	-	0.971	1.21	1.4.4	1.79	2.14	2.37	2.59	2.93	3.26	3.48	4.01	4.54	5.05

外徑／mm		壁厚/mm
系列 2	系列 3	5	(5.5)	6	7	8	(9)	10	(11)	12.5	(14)	16	(18)	20	(22)	25
系列 2	系列 3	論質量／(kg/m)
4	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
5	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
6	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
8	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
10	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
12	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
12.7	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	14	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
16	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	18	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
20	-	1.85	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	22	2.10	-	-	-	-	-	-	-	-	-	-	-	-	-	-
25	-	2.47	2.64	2.81	-	-	-	-	-	-	-	-	-	-	-	-
-	28	2.84	3.05	3.26	3.63	3.95	-	-	-	-	-	-	-	-	-	-
-	30	3.08	3.32	3.55	3.97	4.34	-	-	-	-	-	-	-	-	-	-
32	-	3.33	3.59	3.85	4.32	4.74	-	-	-	-	-	-	-	-	-	-
-	35	3.70	4.00	4.29	4.83	5.33	-	-	-	-	-	-	-	-	-	-
38	-	4.07	4.41	4.74	5.35	5.92	6.44	6.91	-	-	-	-	-	-	-	-
40	-	4.32	4.68	5.03	5.70	6.31	6.88	7.40	-	-	-	-	-	-	-	-
42	-	4.56	4.95	5.33	6.04	6.71	7.32	7.89	-	-	-	-	-	-	-	-
-	45	4.93	5.36	5.77	6.56	7.30	7.99	8.63	9.22	10	-	-	-	-	-	-
48	-	5.30	5.76	6.21	7.08	7.89	8.66	9.37	10.0	10.9	-	-	-	-	-	-
50	-	5.55	6.04	6.51	7.42	8.29	9.10	9.86	10.6	11.6	-	-	-	-	-	-

0.5(0.8)1.0(1.2)1.5(1.8)2.0(2.2)2.5(2.8)3.0(3.5)4(4.5)0.5551.071.331.591.982.362.612.863.243.603.854.455.035.60601.171.461.742.162.582.863.143.553.954.224.885.526.16631.231.531.832.272.723.013.303.734.164.445.135.826.49701.361.702.042.533.033.353.684.164.644.965.746.517.27761.481.852.212.763.293.654.004.535.055.406.267.107.93801.561.952.332.903.473.854.224.785.335.706.607.508.38902.633.273.924.344.765.396.026.447.478.489.491002.923.644.364.835.316.016.717.188.339.4710.61103.224.014.805.335.856.637.407.929.1910.511.71205.255.826.397.248.098.6610.111.412.81305.696.316.937.868.789.4010.912.413.91406.136.817.488.489.4710.111.813.415.01506.587.308.029.0910.210.912.614.416.11607.027.798.569.7110.911.613.515.417.317014.416.418.4180190200220240260

外徑／mm

壁厚/mm

系
列
2

系
列
3

單位長度理

注：1.鋼的密度7.85kg／dm³。

2.括號內尺寸不推薦使用。

5(5.5)6(7)8(9)10(11)12.5(14)16(18)20(22)25556.176.717.258.299.2710.211.111.913.114.2606.787.397.999.1510.311.312.313.314.615.917.4637.157.808.439.6710.912.013.114.115.616.918.6708.018.759.4710.912.213.514.816.017.719.321.3768.759.5610.411.913.414.916.317.619.621.423.7809.2510.110.912.614.215.817.318.720.822.825.327.59010.511.512.414.316.218.019.721.423.926.229.232.034.536.910011.712.813.916.118.220.222.224.127.029.731.136.439.542.346.211012.914.215.417.820.122.424.726.930.133.137.140.844.447.752.412014.215.516.919.522.124.627.129.633.136.641.045.349.353.258.613015.416.918.321.224.126.929.632.336.240.045.049.754.358.664.714016.618.219.823.026.029.132.135.039.343.548.954.259.264.070.915017.919.621.324.728.031.334.537.742.446.952.958.664.169.477.116019.121.022.826.430.033.537.040.445.550，456.863.069.174.983.217020.322.324.328.132.035，739.543.148.653.960.867.574.080.389.418021.623.725.729.933.938.041.945.851.657.364.771.978.985.795.619025.027.231.635.940.244.448.654.760.868.776.383.891.110220028.733.337.942.446.951.357.864.272.680.888.896.610822036.841.846.851.856.764.071.180.589.798.6 107 12024040.245.851.356.762.170.178.088.498.6109 118 13326043.749.755.761.767.576.384.996.3 107118 129 145

外徑／mm

壁厚/mm

系
列
2

系
列
3

單位長度理

注：1.鋼的密度7.85kg／dm³。

2.括號內尺寸不推薦使用。

表6-3不銹鋼管的尺寸規格

外徑／mm

壁厚／mm

系列1

系列2

系列3

1.0

1.2

1.4

1.5

1.6

2.2(2.3)

2.5(2.6)

2.8(2.9)

3.0

3.2

3.5(3.6)

4.5

5.5(5.6)

6.5(6.3)

7.0(7.1)

●

10(10.2)

●

12.7

●

13(13.5)

●

17(17.2)

●

21(21.3)

●

25.4

●

27(26.9)

●

32(31.8)

●

34(33.7)

●

42(42.4)

●

45(44.5)

●

48(48.3)

●

60(60.3)

●

64(63.5)

●

76(76.1)

●

83(82.5)

●

89(88.9)

●

102(101.6)

●

108

●

114(114.3)

●

◆

127

●

133

●

140(139.7)

●

146

●

152

●

159

●

168(168.3)

●

180

●

194

●

219(219.1)

●

245

●

273

●

325(323.9)

●

351

●

356(355.6)

●

377

●

406(406.4)

●

426

●

外徑／mm			壁厚／mm
系列1	系列2	系列3	7.5	8	19	9.0(8.8)	9.5	10	11	12(12.5)	14(14.2)	15	16	17(17.5)	18	20	22(22.2)	24	25	26	28
-	6	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	7	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	8	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	9	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
10(10.2)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	12	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	12.7	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
13(13.5)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	14	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	16	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
17(17.2)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	18	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	19	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	20	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
2l(2l.3)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	22	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	24	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	25	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	25.4	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
27(26.9)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	30	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	32(31.8)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
34(33.7)	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	35	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	38	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	40	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
42(42.4)	-	-	●	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	45(44.5)	●	●	●	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
48(48.3)	-	-	●	●	●	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	51	-	●	●	●	●	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
-	-	54	●	●	●	●	●	●	-	-	-	-	-	-	-	-	-	-	-	-	-
-	57	-	●	●	●	●	●	●	-	-	-	-	-	-	-	-	-	-	-	-	-
60(60.3)	-	-	●	●	●	●	●	●	-	-	-	-	-	-	-	-	-	-	-	-	-
-	64(63.5)	-	●	●	●	●	●	●	-	-	-	-	-	-	-	-	-	-	-	-	-
-	68	-	●	●	●	●	●	●	●	●	-	-	-	-	-	-	-	-	-	-	-
-	70	-	●	●	●	●	●	●	●	●	-	-	-	-	-	-	-	-	-	-	-
-	73	-	●	●	●	●	●	●	●	●	-	-	-	-	-	-	-	-	-	-	-
76(76.1)	-	-	●	●	●	●	●	●	●	●	-	-	-	-	-	-	-	-	-	-	-
-	-	83(82.5)	●	●	●	●	●	●	●	●	●	-	-	-	-	-	-	-	-	-	-
89(88.9)	-	-	●	●	●	●	●	●	●	●	●	-	-	-	-	-	-	-	-	-	-
-	95	-	●	●	●	●	●	●	●	●	●	-	-	-	-	-	-	-	-	-	-
-	102(101.6)	-	●	●	●	●	●	●	●	●	●	-	-	-	-	-	-	-	-	-	-
-	108	-	●	●	●	●	●	●	●	●	●	-	-	-	-	-	-	-	-	-	-
114(114.3)	-	-	●	●	●	●	●	●	●	●	●	-	-	-	-	-	-	-	-	-	-
-	127	-	●	●	●	●	●	●	●	●	●	-	-	-	-	-	-	-	-	-	-
-	133	-	●	●	●	●	●	●	●	●	●	-	-	-	-	-	-	-	-	-	-
140(139.7)	-	-	●	●	●	●	●	●	●	●	●	●	●	-	-	-	-	-	-	-	-
-	146	-	●	●	●	●	●	●	●	●	●	●	●	-	-	-	-	-	-	-	-
-	152	-	●	●	●	●	●	●	●	●	●	●	●	-	-	-	-	-	-	-	-
-	159	-	●	●	●	●	●	●	●	●	●	●	●	-	-	-	-	-	-	-	-
168(168.3)	-	-	●	●	●	●	●	●	●	●	●	●	●	●	●	-	-	-	-	-	-
-	180	-	●	●	●	●	●	●	●	●	●	●	●	●	●	-	-	-	-	-	-
-	194	-	●	●	●	●	●	●	●	●	●	●	●	●	●	-	-	-	-	-	-
219(219.1)	-	-	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●
-	245	-	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●
273	-	-	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●
325(323.9)	-	-	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●
-	351	-	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●
356(355.6)	-	-	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●
-	377	-	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●
406(406.4)	-	-	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●	●
-	426	-	●	●	●	●	●	●	●	●	●	●	●	●	●	●	-	-	-	-	-

表6-4標準化外徑允許偏差

偏差等級	標準化外徑允許偏差
D1	±1.5％，最小±0.75mm
D2	±1.0％，最小±0.50mm
D3	±0.75％，最小±0.30mm
D4	±0.50％，最小±0.10mm

表6-5非標準化外徑允許偏差

偏差等級	非標準化外徑允許偏差(％)
ND1	+1.25 -1.50
ND2	±1.25
ND3	+1.25 -1.0
ND4	±0.8

注：特殊用途的鋼管和冷軋(拔)鋼管外徑允許偏差可采用絕對偏差。

表6-6標準化壁厚允許偏差

偏差等級		壁厚允許偏差
S，D
0.1	0.05		0.025		S／D≤0.025
S1		±15％，最小±0.6mm
S2	A	±12.5％，最小±0.4 mm
	-	+正偏差取決于質量要求-12.5％
S3	A	±10％，最小±0.2mm
	-	±10％		±12.5％最小±0.4mm		±15％
	C	+正偏差取決于質量要求-10％
S4	A	±7.5％最小±0.15mm
	-	±7.5％ 10％ ±12.5％ ±15％最小±0.2mm
S5		±5％，最小±0.10mm

注：s是鋼管公稱壁厚，D是鋼管公稱外徑。

表6-7非標準化壁厚允許偏差

偏差等級	非標準化壁厚允許偏差(％)
NS1	+15 -12.5
NS2	+15 -10
NS3	+12.5 -10
NS4	+12.5 -7.5

注：特殊用途的鋼管和冷軋(拔)鋼管壁厚允許偏差可采用絕對偏差。

表6-8全長允許偏差

全長允許偏差等級	全長允許偏差／mm
L1	0～20
L2	0～10
L3	0～5

注：1．鋼管一般以通常長度交貨。通常長度應符合以下規定：

熱軋(擴)管：3000—12000mm；

冷軋(拔)管：2000—10500mm；

熱軋(擴)短尺管的長度不小于2m，冷軋(拔)短尺管的長度不小于1m。

2．特殊用途的鋼管，如不銹耐酸鋼極薄壁鋼管、小直徑鋼管等的長度要求可另行規定。

3．定尺長度和倍尺長度應在通常長度范圍內，全長允許偏差分為三級(見表中)。每個倍尺長度按以下規定留出切口余量：

外徑≤159mm：5～10mm；

外徑>159mm：10～15mm.

表6-9全長彎曲度

彎曲度等級	全長彎曲度(％) ≤
E1	0.20
E2	0.15
E3	0.10
E4	0.08
E5	0.06

表6-10每米彎曲度

彎曲度等級	每米彎曲度／(mm／m) ≤
F1	3.0
F2	2.0
F3	1.5
F4	1.0
F5	0.5

表6-11鋼管的圓度

圓度等級	圓度不大于外徑允許偏差(％)
NR1	80
NR2	70
NR3	60
NR4	50

表6-12質量允許偏差

質量允許偏差等級	單根鋼管質量允許偏差(％)
W1	±10
W2	±7.5
W3	+10 -5
W4	+10 -3.5
W5	+6.5 -3.5

注：按理論質量交貨的鋼管，每批不小于10t鋼管的理論質量與實際質量允許偏差為±7.5％或±5％。

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鋼材

建材

鋼材百科

管材

無縫鋼管 GB/T17395-1998