熱軋等邊角鋼（GB/T9787-1988）

熱軋等邊角鋼（GB/T9787-1988）(1)尺寸規格見表4-19。

表4-19熱軋等邊角鋼的尺寸規格

角鋼號數	尺寸/mm			截面面積/mm	理論質量/(kg/m)	外表面積/(m2/m)	參考數值											-
	X-X						Xo-Xo			Yo-Yo			X1-X1	zo/cm	-
	b	d	r				Ix/cm4	ix/cm	Wx/cm3	ixo/cm	ixo/Cm	Wxo/cm3	1yo/cm4		iyo/cm	Wyo/cm3	Ix1/cm4	-
	b	d	r				Ix/cm4	ix/cm	Wx/cm3	ixo/cm	ixo/Cm	Wxo/cm3	1yo/cm4		iyo/cm	Wyo/cm3	Ix1/cm4	-
2	20	3	3.5	1.132	0.889	0.078	O.40	0.59	0.29	0.63	0.75	0.45	0.17	O.39	O.20	O.81	O.60	-
2	20	4		1.459	1.145	0.077	O.50	O.58	O.36	O.78	0.73	0.55	O.22	0.38	0.24	1.09	0.64	-
2.5	25	3		1.432	1.124	0.098	0.82	0.76	0.46	1.29	O.95	0.73	O.34	0.49	O.33	1.57	0.73	-
2.5	25	4		1.859	1.459	O.097	1.03	O.74	O.59	1.62	O.93	O.92	0.43	O.48	0.4	2.11	O.76	-
3	30	3	4.5	1.749	1.373	O.117	1.46	O.91	O.68	2.31	1.15	1.09	O.61	0.59	O.51	2.71	0.85	-
3	30	4		2.276	1.786	0.117	1.84	0.9	0.87	2.92	1.13	1.37	0.77	O.58	O.62	3.63	O.89	-
3.6	36	3		2.109	1.656	O.141	2.58	1.11	O.99	4.09	1.39	1.61	1.07	0.71	O.76	4.68	1	-
		4		2.756	2.163	0.141	3.29	1.09	1.28	5.22	1.38	2.05	1.37	0.7	O.93	6.25	1.04	-
		5		3.382	2.654	O.141	3.95	1.08	1.56	6.24	1.36	2.45	1.65	O.70	1.09	7.84	1.07	-
4	40	3	5	2.359	1.852	O.157	3.59	1.23	1.23	5.69	1.55	2.01	1.49	O.79	O.96	6.41	1.09	-
		4		3.086	2.422	0.157	4.6	1.22	1.6	7.29	1.54	2.58	1.91	0.79	1.19	8.56	1.13	-
		5		3.791	2.976	O.156	5.53	1.21	1.96	8.76	1.52	3.1	2.3	O.78	1.39	10.74	1.17	-
4.5	45	3	5	2.659	2.088	0.177	5.17	1.4	1.58	8.2	1.76	2.58	2.14	0.89	1.24	9.12	1.22	-
		4		3.486	2.736	O.177	6.65	1.38	2.05	10.56	1.74	3.32	2.75	0.89	1.54	12.18	1.26	-
		5		4.292	3.369	0.176	8.04	1.37	2.51	12.74	1.72	4	3.33	0.88	1.81	15.25	1.3	-
		6		5.076	3.985	O.176	9.33	1.36	2.95	14.76	1.7	4.64	3.89	0.88	2.06	18.36	1.33	-
5	50	3	5.5	2.971	2.332	O.197	7.18	1.55	1.96	11.37	1.96	3.22	2.98	1	1.57	12.5	1.34	-
		4		3.897	3.059	O.197	9.26	1.54	2.56	14.7	1.94	4.16	3.82	0.99	1.96	16.69	1.38	-
		5		4.803	3.77	O.196	11.21	1.53	3.13	17.79	1.92	5.03	4.64	O.93	2.31	20.9	1.42	-
		6		5.688	4.465	0.196	13.05	1.52	3.68	20.68	1.91	5.85	5.42	0.93	2.63	25.14	1.46	-
5.6	56	3	6	3.343	2.624	0.221	10.19	1.75	2.48	16.14	2.2	4.08	4.24	1.13	2.02	17.56	1.48	-
		4		4.39	3.446	0.22	13.18	1.73	3.24	20.92	2.18	5.28	5.46	1.11	2.52	23.43	1.53	-
		5		5.415	4.251	O.220	16.02	1.72	3.97	25.42	2.17	6.42	6.61	1.1	2.98	29.33	1.57	-
		8		8.367	6.568	O.219	23.63	1.68	6.03	37.37	2.11	9.44	9.89	1.09	4.16	47.24	1.68	-
6.3	63	4	7	4.978	3.907	0.248	19.03	1.96	4.13	30.17	2.46	6.78	7.89	1.26	3.29	33.35	1.7	-
		5		6.143	4.822	O.248	23.17	1.94	5.08	36.77	2.45	8.25	9.57	1.25	3.9	41.73	1.74	-
		6		7.288	5.721	O.247	27.12	1.93	6.oo	43.03	2.43	9.66	11.2	1.24	4.46	50.14	1.78	-
		8		9.515	7.469	O.247	34.46	1.9	7.75	54.56	2.4	12.25	14.33	1.23	5.47	67.11	1.85	-
		1O		11.657	151	O.246	41.09	1.88	9.39	64.85	2.36	14.56	17.33	1.22	6.36	84.31	1.93	-
7	70	4	8	5.57	4.372	0.275	26.39	2.18	5.14	41.8	2.76	8.44	1O.99	1.4	4.17	45.74	1.86	-
		5		6.875	5.397	O.275	32.21	2.16	6.32	51.08	2.73	10.32	13.34	1.39	4.95	57.21	1.91	-
		6		8.16	6.406	O.275	37.77	2.15	7.48	59.93	2.71	12.11	15.61	1.38	5.67	68.73	1.95	-
		7		9.424	7.398	O.275	43.09	2.14	8.59	68.35	2.69	13.81	17.82	1.38	6.34	80.29	1.99	-
		8		10.667	8.373	0.274	48.17	2.12	9.68	76.37	2.68	15.43	19.98	1.37	6.98	91.92	2.03	-
-7.5	75	5	9	7.412	5.818	0.295	39.97	2.33	7.32	63.3	2.92	11.94	16.63	1.5	5.77	70.56	2.04	-
		6		8.797	6.905	O.294	46.95	2.31	8.64	74.38	2.9	14.02	19.51	1.49	6.67	84.55	2.07	-
		7		10.16	7.976	O.294	53.57	2.3	9.93	84.96	2.89	16.02	22.18	1.48	7.44	98.71	2.11	-
		8		11.503	9.03	O.294	59.96	2.28	11.2	95.07	2.88	17.93	24.86	1.47	8.19	112.97	2.15	-
		10		14.126	11.089	0.293	71.98	2.26	13.64	113.92	2.84	21.48	30.05	1.46	9.56	141.71	2.22	-
8	80	5		7.912	6.211	O.315	48.79	2.48	8.34	77.33	3.13	13.67	20.25	1.6	6.66	85.36	2.15	-
		6		9.397	7.376	O.314	57.35	2.47	9.87	90.98	3.11	16.08	23.72	1.59	7.65	102.5	2.19	-
		7		10.86	8.525	0.314	65.58	2.46	11.37	104.07	3.1	18.4	27.09	1.58	8.58	119.7	2.23	-
		8		12.303	9.658	0.314	73.49	2.44	12.83	116.6	3.08	20.61	30.39	1.57	9.46	136.97	2.27	-
		10		15.126	11.874	0.313	88.43	2.42	15.64	140.09	3.04	24.76	36.77	1.56	11.08	171.74	2.35	-
9	90	6	10	1O.637	8.35	O.354	B2.77	2.79	12.61	131.26	3.51	20.63	34.28	1.8	9.95	145.87	2.44	-
		7		12.301	9.656	O.354	94.83	2.78	14.54	150.47	3.5	23.64	39.18	1.78	11.19	170.3	2.48	-
		8		13.944	10.946	O.353	106.47	2.76	16.42	168.97	3.48	26.55	43.97	1.78	12.35	194.8	2.52	-
		1O		17.167	13.476	0.353	128.58	2.74	20.07	203.9	3.45	32.04	53.26	1.76	14.52	244.07	2.59	-
		12		20.306	15.94	O.352	149.22	2.71	23.57	236.21	3.41	37.12	62.22	1.75	16.49	293.76	2.67	-
1O	100	6	12	11.932	9.366	O.393	114.95	3.1	15.68	181.98	3.9	25.74	47.92	2	12.69	200.07	2.67	-
		7		13.796	10.83	O.393	131.86	3.09	18.1	208.97	3.89	29.55	54.74	1.99	14.26	233.54	2.71	-
		8		15.638	12.276	0.393	148.24	3.08	20.47	235.07	3.88	33.24	61.41	1.98	15.75	267.09	2.76	-
		10		19.261	15.12	0.392	179.51	3.05	25.06	284.68	3.84	40.26	74.35	1.96	18.54	334.48	2.84	-
		12		22.8	17.898	O.391	208.9	3.03	29.48	330.95	3.81	46.8	86.84	1.95	21.08	402.34	2.91	-
		14		26.256	20.611	O.391	236.53	3	33.73	374.06	3.77	52.9	99	1.94	23.44	470.75	2.99	-
		16		29.627	23.257	0.39	262.53	2.98	37.82	414.16	3.74	58.57	110.89	1.94	25.63	539.8	3.06	-
11	110	7		15.196	11.928	0.433	177.16	3.41	22.05	280.94	4.3	36.12	73.38	2.2	17.51	310.64	2.96	-
		8		17.238	13.532	0.433	199.46	3.4	24.95	316.49	4.28	40.69	82.42	2.19	19.39	355.2	3.01	-
		10		21.261	16.69	0.432	242.19	3.38	30.6	384.39	4.25	49.42	99.98	2.17	22.91	444.65	3.09	-
		12		25.2	19.782	0.431	282.55	3.35	36.05	448.17	4.22	57.62	116.93	2.15	26.15	534.6	3.16	-
		14		29.056	22.809	0.431	320.71	3.32	41.31	508.01	4.18	65.31	133.4	2.14	29.14	625.16	3.24	-
12.5	125	8	14	19.750	15.504	O.492	297.03	3.88	32.52	470.89	4.88	53.28	123.16	2.5	25.86	521.01	3.37	-
		10		24.373	19.133	O.491	361.67	3.85	39.97	573.89	4.85	64.93	149.46	2.48	30.62	651.93	3.45	-
		12		28.912	22.696	0.491	423.16	3.83	41.17	671.44	4.82	75.96	174.88	2.46	35.03	783.42	3.53	-
		14		33.367	26.193	O.490	481.65	3.8	54.16	763.73	4.78	86.41	199.57	2.45	39.13	915.61	3.61	-
14	140	10		27.373	21.488	0.551	514.65	4.34	50.58	817.27	5.46	82.56	212.04	2.78	39.2	915.11	3.82	-
		12		32.512	25.522	0.551	603.68	4.31	59.8	958.79	5.43	96.85	248.57	2.76	45.02	1099.28	3.9	-
		14		37.567	29.49	O.550	688.81	4.28	68.75	1093.56	5.4	110.47	284.06	2.75	50.45	1284.22	3.98	-
		16		42.539	33.393	O.549	770.24	4.26	77.46	1221.81	5.36	123.42	318.67	2.74	55.55	1470.07	4.06	-
16	160	1O	16	31.502	24.729	0.63	779.53	4.98	66.7	1237.3	6.27	109.36	321.76	3.2	52.76	1365.33	4.31	-
		12		37.441	29.391	O.630	916.58	4.95	78.98	1455.68	6.24	128.67	377.49	3.18	60.74	1639.57	4.39	-
		14		43.296	33.987	O.629	1048.36	4.92	90.95	1665.02	6.2	147.17	431.7	3.16	68.24	1914.68	4.47	-
		16		49.067	38.518	0.629	1175.08	4.89	102.63	1865.57	6.17	164.89	484.59	3.14	75.31	2190.82	4.55	-
18	180	12		42.241	33.159	0.71	1321.35	5.59	100.82	2100.1	7.05	165	542.61	3.58	78.41	2332.8	4.89	-
		14		48.896	38.383	0.709	1514.48	5.56	116.25	2407.42	7.02	189.14	621.53	3.58	88.38	2723.48	4.97	-
		16		55.467	43.542	0.709	1700.99	5.54	131.13	2703.37	6.98	212.4	698.6	3.55	97.83	3115.29	5.05	-
		18		61.955	48.634	0.709	1875.12	5.5	145.64	2988.24	6.94	234.78	762.01	3.51	105.14	3502.43	5.13	-
20	200	14	18	54.642	42.894	0.788	2103.55	6.2	144.7	3343.26	7.82	236.4	863.83	3.98	111.82	3734.1	5.46	-
		16		62.013	48.68	0.788	2366.15	6.18	163.65	3760.89	7.79	265.93	971.41	3.96	123.96	4270.39	5.54	-
		18		69.301	54.401	O.787	2620.64	6.15	182.22	4164.54	7.75	294.48	1076.74	3.94	135.52	4808.13	5.62	-
		20		76.505	60.056	0.787	2867.3	6.12	200.42	4554.55	7.72	322.06	1180.04	3.93	146.55	5347.51	5.69	-
		24		90.661	71.168	O.785	3338.25	6.07	236.17	5294.97	7.64	374.41	1381.53	3.9	166.55	6457.16	5.87	-

注：截面圖中的r1=1/3d及表中r值的數據用于孔型設計，不做交貨條件。

(2)允許偏差見表4-20。

表4-20熱軋等邊角鋼的允許偏差和長度

角鋼號數	邊寬b/mm	邊厚d/mm	長度/m	角鋼號數	邊寬b/mm	邊厚d/mm	長度/m
2～5.66.3～9	±O.8士1.2	±0.4士O.6	4～124～12	10～1416～20	±1.8土2.5	±0.7士1.O	4～196～19

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鋼材

建材

鋼材百科

角鋼

熱軋等邊角鋼（GB/T9787-1988）