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中國不銹鋼鋼號

1不銹鋼棒

按使用加工分為壓力加工用鋼和切削加工用鋼兩類,按組織特征分為奧氏體型、奧氏體-鐵索體型、鐵素體型、馬氏體型和沉淀硬化型五類。熱軋圓鋼、方鋼直徑或邊長≤250mm.也可制造六角、八角型鋼。按熱處理或非熱處理狀態(tài)交貨。

a牌號及化學成分見表2.1-121。

GB/T1220等(基礎標準)表2.1-121化學成分(質(zhì)量分數(shù))/%

類型牌號化學成分(質(zhì)量分數(shù))/%其他
C≤Si≤Mn≤P≤S≤CrMoNiCu-
奧氏1Cr17Mn6Ni5N0.1515.50-7.500.060.0316.00-18.00-3.50-5.50-<0.25-
體型1Cr18Mn8Ni5N0.1517.50-10.000.060.0317.00-19.00-4.00-6.00-<0.25-
-1Cr18Mn10Ni5Mo3N0.118.50-12.000.060.0317.00-19.002.8-3.54.00-6.00-0.20-0.30-
-1Cr17Ni70.15120.0350.0316.00-18.00-6.00-8.00---
-1Cr18Ni90.15120.0350.0317.00-19.00-8.00-10.00---
-Y1Cr18Ni90.15120.20.1517.00-19.00-8.00-10.00---
-Y1Cr18Ni9Se0.15120.20.0617.00-19.00-8.00-10.00--Se>0.15
-0Cr18Ni90.07120.0350.0317.00-19.00-8.00-11.00---
-00Cr19Ni100.03120.0350.0318.00-20.00-8.00-12.00---
-0Cr19Ni9N0.08120.0350.0318.00-20.00-7.00-10.50-0.10-0.25-
-0Cr19Ni10NNbN0.08120.0350.0318.00-20.00-7.50-10.50-0.15-0.30Nb>0.15
-00Cr18Ni10N0.03120.0350.0317.00-19.00-8.50-11.50-0.12-0.22-
-1Cr18Ni120.12120.0350.0317.00-19.00-10.50-13.00---
-0Cr23Ni130.08120.0350.0322.00-24.00-12.00-15.00---
-0Cr25Ni200.08120.0350.0324.00-26.00-19.00-22.00---
-0Cr17Ni12Mo20.08120.0350.0316.00-18.502.00-3.0010.00-14.00---
-1Cr18Ni12Mo2Ti0.12120.0350.0316.00-19.001.80-2.5011.00-14.00--Ti5*(C%-0.02)-0.80
-0Cr18Ni12Mo2Ti0.08120.0350.0316.00-19.001.80-2.5011.00-14.00--Ti5*C%-0.70
-00Cr14NiMo20.03120.0350.0316.00-18.002.00-3.0012.00-15.00---
-OCr17Ni12Mo2N0.08120.0350.0316.00-18.002.00-3.0010.00-14.00-0.10-0.22-
-00Cr17Ni13Mo2N0.03120.0350.0316.00-18.502.00-3.0010.50-14.50-0.12-0.22-
-0Cr18Ni12Mo2Cu20.08120.0350.0317.00-19.001.20-2.7510.00-14.501.00-2.50--
-00Cr18Ni14Mo2Cu20.03120.0350.0317.00-19.001.20-2.7512.00-16.001.00-2.50--
-0Cr19Ni13Mo30.08120.0350.0318.00-20.003.00-4.0011.00-15.00---
-00Cr19Ni13Mo30.03120.0350.0318.00-20.003.00-4.0011.00-15.00---
-1Cr18Ni12Mo3Ti0.12120.0350.0316.00-19.002.50-3.5011.00-14.00--Ti5*(C%-0.02)-0.80
-0Cr18Ni12Mo3Ti0.08120.0350.0316.00-19.002.50-3.5011.00-14.00--Ti5*C%-0.70
-0Cr18Ni16Mo50.04120.0350.0316.00-19.004.00-6.0015.00-17.00---
-1Cr18Ni9Ti0.12120.0350.0317.00-19.00-8.00-11.00--Ti5*(C%-0.02)-0.80
-0Cr18Ni10Ti0.08120.0350.0317.00-19.00-9.00-12.00--Ti>5*C%
-0Cr18Ni11Nb0.08120.0350.0317.00-19.00-9.00-13.00--Nb>10*C%
-0Cr18Ni9Cu30.08120.0350.0317.00-19.00-8.50-10.503.00-4.00--
-0Cr18Ni13Si40.083.00-5.0020.0350.0315.00-20.00-11.50-15.00---
奧氏體鐵素體型0Cr26Ni5Mo21Cr18Ni11Si4AlTi00Cr18Ni5Mo3Si20.080.10-0.180.0313.40-4.001.30-2.001.50.81.00-2.000.0350.0350.0350.030.030.0323.00-28.0017.50-19.5018.00-19.501.00-3.002.50-3.003.00-6.0010.00-12.004.50-5.50--Al0.1-0.3Ti0.4-0.7
鐵素體型0Cr13Al0.08110.0350.0311.50-14.50----Al0.1-0.3
-00Cr120.03110.0350.0311.00-13.00-----
-1Cr170.120.7510.0350.0316.00-18.00-----
-Y1Cr170.1211.250.060.1516.00-18.00-----
-1Cr17Mo0.12110.0350.0316.00-18.000.75-1.25----
-00Cr30Mo20.010.40.40.030.0228.50-32.001.50-2.50--≤0.015-
-00Cr27Mo0.010.40.40.030.0225.00-27.500.75-1.50--≤0.015-
馬氏體型1Cr120.150.510.0350.0311.50-13.00-----
-1Cr130.15110.0350.0311.50-13.50-----
-0Cr130.08110.0350.0311.50-13.50-----
-Y1Cr130.1511.250.060.1512.00-14.00-----
-1Cr13Mo0.08-0.180.610.0350.0311.50-14.000.3-0.6----
-2Cr130.16-0.25110.0350.0312.00-14.00-----
-3Cr130.26-0.35110.0350.0312.00-14.00-----
-Y3Cr130.26-0.4011.250.06≥0.1512.00-14.00-----
-3Cr13Mo0.28-0.350.810.0350.0312.00-14.000.50-1.00----
-4Cr130.36-0.450.60.80.0350.0312.00-14.00-----
-1Cr17Ni20.11-0.170.80.80.0350.0316.00-18.00-1.50-2.50---
-7Cr170.60-0.75110.0350.0316.00-18.00-----
-8Cr170.75-0.95110.0350.0316.00-18.00-----
-9Cr180.90-1.000.80.80.0350.0317.00-19.00-----
-11Cr170.95-1.20110.0350.0316.00-18.00-----
-Y11Cr170.95-1.2011.250.06≥0.1516.00-18.00-----
-9Cr18Mo0.95-1.100.80.80.0350.0316.00-18.00-0.40-0.70---
-9Cr18MoV0.85-0.950.80.80.0350.0317.00-19.00-1.00-1.30--V0.07-1.12
沉淀硬化型0Cr17Ni4Cu4Nb0.07110.0350.0315.50-17.50-3.00-5.003.00-5.00-Nb0.15-0.45
-OCr17Ni7Al0.09110.0350.0316.00-18.00-6.50-7.75≤0.05-Al0.75-1.50
-0Cr15Ni7Mo2Al0.09110.0350.0314.00-16.002.00-3.006.50-7.50--Al0.75-1.50
-------------

b熱處理制度及力學性能見表2.1-122

表2.1-122

類型牌號熱處理溫度℃拉伸試驗沖擊試驗硬度試驗
σp0.2/MPa≥σpb/MPa≥δ5/%≥ψ/%Ak/J≥HB≤HRB≤HV≤
奧氏體型1Cr17Mn6Ni5N固溶1010-1120快冷2755204045-241100253
-1Cr18Mn8Ni5N固溶1010-1120快冷2755204045-20795218
-1Cr18Mn10Ni5Mo3N固溶1100-1150快冷3456854565--_-
-1Cr17Ni7固溶1010-1150快冷2055204060-18790200
-1Cr18Ni9固溶1010-1150快冷2055204060-18790200
-Y1Cr18Ni9固溶1010-1150快冷2055204050-18790200
-Y1Cr18Ni9Se固溶1010-1150快冷2055204050-18790200
-0Cr18Ni9固溶1010-1150快冷2055204060-18790200
-00Cr19Ni10固溶1010-1150快冷1774804060-18795200
-0Cr19Ni9N固溶1010-1150快冷2755503550-217100220
-0Cr19Ni10NbN固溶1010-1150快冷3456853550-25095260
-00Cr18Ni10N固溶1010-1150快冷2455504050-21790220
-1Cr18Ni12固溶1010-1150快冷1774804060-18790200
-0Cr23Ni13固溶1030-1150快冷2055204060-18790200
-0Cr25Ni20固溶1030-1180快冷2055204050-18790200
-0Cr17Ni12Mo2固溶1010-1150快冷2055204060-18790200
-1Cr18Ni12Mo2Ti固溶1000-1100快冷2055304055-18790200
-0Cr18Ni2Mo2Ti固溶1000-1100快冷2055304055-18790200
-OOCr17Ni14Mo2固溶1010-1150快冷1774804060-18790200
-0Cr17Ni12Mo2N固溶1010-1150快冷2755503550-21795220
-00Cr17Ni13Mo2N固溶1010-1150快冷2455504050-21795220
-0Cr18Ni12Mo2Cu2固溶1010-1150快冷2055204060-18790200
-00Cr18Ni14Mo2Cu2固溶1010-1150快冷1774004060-18790200
-0Cr19Ni13Mo3固溶1010-1150快冷2055204060-18790200
-00Cr19Ni13Mo3固溶1010-1150快冷1774804060-18790200
-1Cr18Ni12Mo3Ti固溶1000-1100快冷2055304055-18790200
-0Cr18Ni12Mo3Ti固溶1000-1100快冷2055304055-18790200
-0Cr18Ni16Mo5固溶1030-1180快冷1774804045-18790200
-1Cr18Ni9Ti固溶920-1150快冷2055204050-18790200
-0Cr18Ni10Ti固溶920-1150快冷2055204050-18790200
-0Cr18Ni11Nb固溶980-1150快冷2055204050-18790200
-0Cr18Ni9Cu3固溶1010-1150快冷1774804060-18790200
-0Cr18Ni13Si4固溶1010-1150快冷2055204060-20795218
奧氏體0Cr26Ni5Mo2固溶950-1100快冷3905901840-27729292
鐵素體型1Cr18Ni11Si4AlTi固溶930-1050快冷440715254063---
-00Cr18Ni5Mo3Si2固溶920-1150快冷3905902040--30300
鐵素體型0Cr13Al退火780-830空冷或緩冷177410206078183--
-00Cr12退火700-820空冷或緩冷1962652260-183--
-1Cr17退火780-850空冷或緩冷2054502250-183--
-Y1Cr17退火680-820空冷或緩冷2054502250-183--
-1Cr17Mo退火780-850空冷或緩冷2054502260-183--
-00Cr30Mo2退火900-1050快冷2954502045-228--
-00Cr27Mo退火900-1050快冷2454102045-219--
-----------

類型牌號熱處理溫度℃拉伸試驗硬度試驗
種類條件σp0.2/MPa≥σpb/MPa≥δ5/%≥ψ/%HBHRC
沉淀硬化型OCr17Ni4Cu4Nb固溶1020-1060快冷----≤363≤38
480時效經(jīng)固溶處理后/470-490空冷118013101040≥375≥40
550時效經(jīng)固溶處理后/540-560空冷100010601245≥331≥35
580時效經(jīng)固溶處理后/570-590空冷86510001345≥302≥31
620時效經(jīng)固溶處理后/610-630空冷7259301650≥277≥28
0Cr17Ni7Al 固溶100-1100快冷≤380≤103020-≤229-
565時效經(jīng)固溶處理后/于760+15℃保持90min/1h內(nèi)冷卻到15℃以上/保持30min/加熱到565+10℃保持90min空冷9601140525≥363-
510時效經(jīng)固溶處理后/于955+10℃保持10min/24h內(nèi)冷卻到15℃以上/保持30min/加熱到-73+6℃保持8h/加熱到510+10℃保持60min空冷10301230410≥388-
0Cr15Ni7Mo3Al固溶1000-1100快冷----≤269-
565時效經(jīng)固溶處理后/于760+15℃保持90min/1h內(nèi)冷卻到15℃以上/保持30min/加熱到565+10℃保持90min空冷11001210725≥375-
-510時效經(jīng)固溶處理后/于955+10℃保持10min/24h內(nèi)冷卻到15℃以上/保持30min/加熱到-73+6℃保持8h/加熱到510+10℃保持60min空冷12101320620≥388-

c.其他檢驗項目:

晶間腐蝕試驗奧氏體型錒應進行晶間腐蝕試驗。

低倍組織檢驗橫截面酸浸低倍或斷口試片上不得有肉眼可見的縮孔、氣泡、裂紋、夾雜、翻皮及白點。一般疏松、中心疏松和偏析合格級別為2~3級。

熱頂鍛熱頂鍛用鋼作熱頂鍛試驗,頂鍛啟高度為原試樣的1/3,試樣不得有裂口和裂縫。

2熱軋鋼板

用作一般用途結(jié)構(gòu)件,執(zhí)行標準;GB/T4237。鋼板厚度4~25mm。

a.牌號及化學成分按GB/T1220規(guī)定。

b.交貨狀態(tài)分為以下幾種,見表2.1-123~表2.1-127。

奧氏體型鋼表2.1-123

牌號固溶處理℃牌號固溶處理℃
1Cr17Mn6Ni5N1010-1120快冷00Cr17Ni13Mo2N1010-1150快冷
1Cr18Mn8NiN1010-1120快冷1Cr18Ni12Mo2Ti1050-1100快冷
1Cr18Ni91010-1120快冷0Cr18Ni12Mo2Ti1050-1100快冷
1Cr18Ni19Si131010-1150快冷1Cr18Ni12Mo3Ti1050-1100快冷
0Cr18Ni91010-1150快冷0Cr18Ni12Mo3Ti1050-1100快冷
00Cr19Ni101010-1150快冷0Cr18Ni12MoCu21010-1150快冷
0Cr19Ni9N1010-1150快冷00Cr18Ni12MoCu21010-1150快冷
0Cr19Ni10NbN1010-1150快冷0Cr19Ni13Mo31010-1150快冷
00Cr18Ni10N1010-1150快冷00Cr19Ni13Mo31010-1150快冷
1Cr18Ni121010-1150快冷0Cr18Ni16Mo51030-1180快冷
0Cr23Ni131030-1180快冷1Cr18Ni9Ti920-1150快冷
0Cr25Ni201030-1150快冷0Cr18Ni10Ti920-1150快冷
0Cr17Ni12Mo21010-1150快冷0Cr18Ni11Nb980-1150快冷
00Cr17Ni14Mo21010-1150快冷0Cr18Ni13Si41010-1150快冷
0Cr17Ni12Mo2N1010-1150快冷--
----

奧氏體鐵索體型鋼表2.1-124

牌號固溶處理℃
0Cr26Ni5Mo2950-1100快冷
00Cr18Ni5Mo3Si2950-1050快冷

鐵素體型鋼表2.1-125

牌號退火處理/℃牌號退火處理℃
0Cr13Al780-830快冷或緩冷1Cr15780-850快冷或緩冷
00Cr12700-820快冷或緩冷1Cr17780-850快冷或緩冷
1Cr17Mo780-850快冷或緩冷OOCr30Mo2900-1050快冷
00Cr17Mo800-1050快冷00Cr27Mo900-1050快冷
00Cr18Mo2800-1050快冷--

馬氏體型鋼表2.1-126

牌號退火處理℃牌號退火處理℃
1Cr12約750快冷或800-900緩冷3Cr13約750快冷或800-900緩冷
0Cr13約750快冷或800-900緩冷4Cr13約750快冷或800-900緩冷
1Cr13約750快冷或800-900緩冷3Cr16約750快冷或800-900緩冷
2Cr13約750快冷或800-900緩冷7Cr17約750快冷或800-900緩冷

沉淀硬化型鋼表2.1-127

牌號熱處理/℃
種類條件
0Cr17Ni7Al固溶1000-1100快冷
565時效固溶處理后/760±15保持90min/在1h冷卻到15以下/保持30min/565±10保持90min后空冷
510時效固溶處理后/955±10保持10min/空冷到室溫/在24h內(nèi)冷卻到-73±6保持8h/而加熱到510±10保持60min后空冷

c力學性能見表2.1-128~表2.1-132。

奧氏體型鋼表2.1-128

牌號σp0.2/MPa≥σpb/MPa≥δ5/%≥HB≤HRB≤HV≤
1Cr17Mn6Ni5N24563540241100253
1Cr18Mn8Ni5N2455904020795218
1Cr18Ni92055204018790200
1Cr18Ni9Si32055204020795218
0Cr18Ni92055204018790200
00Cr19Ni101774804018790200
0Cr19Ni9N2755503521795220
OCr19Ni10NbN34568535250100260
00Cr18Ni10N2455504021795220
1Cr18Ni121774804018790200
0Cr23Ni132055204018790200
0Cr25Ni202055204018790200
0Cr17Ni12Mo22055204018790200
00Cr17Ni14Mo21774804018790200
OCr17Ni12Mo2N2755503521795220
00Cr17Ni13Mo2N2455504021795220
1Cr18Ni12Mo2Ti2055303718790200
0Cr18Ni12Mo2Ti2055303718790200
1Cr18Ni12Mo3Ti2055303518790200
0Cr18Ni12Mo3Ti2055303518790200
0Cr18Ni12Mo2Cu22055203518790200
00Cr18Ni14Mo2Cu21774803518790200
0Cr19Ni13Mo32055203518790200
00Cr19Ni13Mo31774803518790200
0Cr18Ni16Mo51774803518790200
1Cr18Ni9Ti2055204018790200
0Cr18Ni10Ti2055204018790200
0Cr18Ni11Nb2055204018790200
0Cr18Ni13Si42055204020795218

奧氏體鐵素體型鋼表2.1-129

牌號拉伸試驗硬度試驗
σ0.2MPa≥σbMPa≥δ5%≥HB≤HRB≤HV≤
OCr26Ni5Mo23905901827729292
00Cr18Ni5Mo3Si239059020-30-

鐵素體型鋼:表2.1-130

牌號拉伸試驗硬度試驗彎曲試驗
σ0.2MPa≥σbMPa≥δ5%≥HB≤HRB≤HV≤180d-彎曲直徑a-鋼板厚度
0Cr13Al1774102018388200a<8mmd=aa≥8mmd=2a
00Cr121963702218388200d=2a
1Cr152054502218388200d=2a
1Cr172054502218388200d=2a
1Cr17Mo2054502218388200d=2a
00Cr17Mo2454102021796230d=2a
00Cr18Mo22454102021796230d=2a
00Cr30Mo22954502220995220d=2a
00Cr27Mo2454102219090220d=2a

馬氏體型鋼:表2.1-131

牌號拉伸試驗硬度試驗彎曲試驗
σ0.2MPa≥σbMPa≥δ5%≥HB≤HRB≤HV≤180d-彎曲直徑a-鋼板厚度
1Cr122054402020093210d=2a
0Cr132054102018388200d=2a
1Cr132254402020093210d=2a
2Cr132255201822397234-
3Cr132255401823599247-
4Cr13-59015----
3Cr1620552018241100253-
7Cr1724559015255HRC≤25269-

c.其他檢驗項目:

耐腐蝕性能:作晶間腐蝕試驗。

低倍組織:厚度大于4mm鋼板檢驗低倍組織

沉淀硬化型鋼:表2.1-132

牌號-拉伸試驗硬度試驗
熱處理σ0.2MPa≥σbMPa≥δ5%≥HRHRCHRBHV
固溶≤380≤1030≥20≤190-≤92≤200
0Cr17Ni7Al560℃時效≥960≥1140厚度≤3mm≥3厚度≤3mm≥3-≥35-≥345
510℃時效≥1030≥1230厚度≤3mm不規(guī)定厚度≤3mm≥4-≥40-≥392

3結(jié)構(gòu)用不銹鋼無縫鋼管

用作一般結(jié)構(gòu)及機械結(jié)構(gòu)件。熱軋管外徑68~426mm,壁厚45~28mm;冷拔管外徑10~159mm,壁厚10~15mm。鋼管經(jīng)處理并酸洗交貨。

a.牌號及化學成分見表2.1~133。

GB/T14975表2.1-133

牌號化學成分(質(zhì)量分數(shù))/%
C≤Si≤Mn≤P≤S≤CrMoNiTi其他
OCr18Ni90.07120.0350.0317.00-19.00-8.00-11.00--
1Cr18Ni90.15120.0350.0317.00-19.00-8.00-10.00--
00Cr19Ni100.03120.0350.0318.00-20.00-8.00-12.00--
0Cr18Ni10Ti0.08120.0350.0317.00-19.00-9.00-12.00≥5C%-
OCr18Ni11Nb0.08120.0350.0317.00-19.00-9.00-13.00-Nb≥10C%
0Cr17Ni12Mo20.08120.0350.0316.00-18.502.00-3.0010.00-14.00--
00Cr17Ni14Mo20.03120.0350.0316.00-18.002.00-3.0012.00-15.00--
0Cr18Ni12Mo2Ti0.08120.0350.0316.00-19.001.80-2.5011.00-14.005C%-0.70-
1Cr18Ni12Mo2Ti0.12120.0350.0316.00-19.001.80-2.5011.00-14.005(C-0.02)-0.80-
0Cr18Ni12Mo3Ti0.8120.0350.0316.00-19.002.50-3.5011.00-14.005C%-0.70-
1Cr18Ni12Mo3Ti0.12120.0350.0316.00-19.002.50-3.5011.00-14.005(C-0.02)-0.80-
1Cr18Ni9Ti0.12120.0350.0317.00-19.00-8.00-11.005(C-0.02)-0.80-
0Cr19Ni13Mo30.08120.0350.0318.00-20.003.00-4.0011.00-15.00--
00Cr19Ni13Mo30.03120.0350.0318.00-20.003.00-4.0011.00-15.00--
0Cr130.080.60.80.0350.0312.00-14.00----
1Cr170.120.7510.0350.0316.00-18.00----
1Cr130.15110.0350.0311.50-13.50----
2Cr130.16-0.25110.0350.0312.00-14.00----
---------

b.縱向力學性能見表2.1-134

表2.1-134

牌號推薦熱處理制度力學性能密度(kg/dm3)
σbMPa≥σp0.2MPa≥σ5%≥
0Cr18Ni91010-1150℃/急冷520205357.93
1Cr18Ni91010-1150℃/急冷520205357.9
00Cr19Ni101010-1150℃/急冷480175357.93
0Cr18Ni10Ti920-1150℃/急冷520205357.95
0Cr18Ni11Nb980-1150℃/急冷520205357.98
0Cr17Ni12Mo21010-1150℃/急冷520205357.98
00Cr17Ni14Mo21010-1150℃/急冷480175357.98
0Cr18Ni12Mo2Ti1000-1100℃/急冷530205358
1Cr18Ni12Mo2Ti1000-1100℃/急冷530205358
0Cr18Ni12Mo3Ti1000-1100℃/急冷530205358.1
1Cr18Ni12Mo3Ti1000-1100℃/急冷530205358.1
1Cr18Ni9Ti1000-1100℃/急冷520205357.9
0Cr19Ni13Mo31010-1150℃/急冷520205357.98
00Cr19Ni13Mo31010-1150℃/急冷480175357.98
0Cr13780-830℃/空冷或緩冷370180227.7
1Cr17780-850℃/空冷或緩冷410245207.7
1Cr13800-900℃/空冷或緩冷410205207.7
2Cr13800-900℃/空冷或緩冷470215197.7

c其他檢驗項目:

壓扁檢驗:壁厚≤10mm冷拔(軋)鋼管進行壓扁試驗。

水壓試驗:逐根進行,試驗壓力=2*sR/D;耐壓時間>5s,允許用超聲波或渦流檢驗代替水壓試驗。

4流體輸送用不錯錒無縫鋼管

用作輸送流體。熱軋鋼管外徑68~426mm,壁厚4.5~18mm;冷拔(軋)鋼管外徑6~159mm,壁厚0.5~15mm。

a.牌號及化學成分見表2.1-135。

表2.1-135

牌號化學成分(質(zhì)量分數(shù))/%
C≤Si≤Mn≤P≤S≤CrMoNiTi其他
0Cr18Ni90.07120.0350.0317.00-19.00-8.00-11.00--
00Cr19Ni100.03120.0350.0318.00-20.00-8.00-12.00--
0Cr23Ni130.08120.0350.0322.00-24.00-12.00-15.00--
0Cr25Ni200.08120.0350.0324.00-26.00-19.00-22.005C%-0.07-
0Cr18Ni10Ti0.08120.0350.0317.00-19.00-9.00-12.00≥5C%-
0Cr18Ni11Nb0.08120.0350.0317.00-19.00-9.00-13.00-Nb≥10C%
0Cr17Ni12Mo20.08120.0350.0316.00-18.502.00-3.0010.00-14.00--
00Cr17Ni14Mo20.03120.0350.0316.00-18.002.00-3.0012.00-15.00--
0Cr19Ni13Mo30.08120.0350.0318.00-20.003.00-4.0011.00-15.00--
00Cr19Ni13Mo30.03120.0350.0318.00-20.003.00-4.0011.00-15.00--
0Cr18Ni12Mo2Ti0.08120.0350.0316.00-19.001.80-1.2511.00-14.005C%-0.07-
1Cr18Ni12Mo2Ti0.12120.0350.0316.00-19.001.80-1.2511.00-14.005(C%-0.02)-0.80-
0Cr18Ni12Mo3Ti0.08120.0350.0316.00-19.002.50-3.5011.00-14.005C%-0.07-
1Cr18Ni12Mo3Ti0.12120.0350.0316.00-19.002.50-3.5011.00-14.005(C%-0.02)-0.80-
0Cr18Ni12Mo2Cu20.08120.0350.0317.00-19.001.20-2.7511.00-14.00-Cu1.00-2.50
00Cr14Ni12Mo2Cu20.03120.0350.0317.00-19.001.20-2.7512.00-16.00-Cu1.00-2.50
1Cr18Ni9Ti0.12120.0350.0317.00-19.00-8.00-11.005(C%-0.02)-0.80-
OCr130.080.060.080.0350.0312.00-14.00----
0Cr26Ni5Mo20.08120.0350.0323.00-28.001.00-3.003.00-6.00--

b鋼管縱向力學性能見表2.1-136

表2.1-136

牌號推薦熱處理制度力學性能密度(kg/dm3)
σbMPa≥σp0.2MPa≥σ5%≥
0Cr18Ni91010-1150℃/急冷520205357.93
00Cr19Ni101010-1150℃/急冷480175357.93
0Cr23Ni131030-1150℃/急冷520205357.98
0Cr25Ni201030-1150℃/急冷520205357.98
0Cr18Ni10Ti920-1150℃/急冷520205357.95
0Cr18Ni11Nb980-1150℃/急冷520205357.98
0Cr17Ni12Mo21010-1150℃/急冷520205357.98
00Cr17Ni14Mo21010-1150℃/急冷480175357.98
0Cr19Ni13Mo31010-1150℃/急冷520205357.98
00Cr19Ni13Mo31010-1150℃/急冷480175357.98
0Cr18Ni12Mo2Ti1000-1100℃/急冷530205358
1Cr18Ni12Mo2Ti1000-1100℃/急冷530205358
0Cr18Ni12Mo3Ti1000-1100℃/急冷530205358.1
1Cr18Ni12Mo3Ti1000-1100℃/急冷530205358.1
0Cr18Ni12Mo2Cu21010-1150℃/急冷520205357.98
00Cr18Ni14Mo2Cu21010-1150℃/急冷480180357.98
1Cr18Ni9Ti1000-1100℃/急冷520205357.9
0Cr13780-830℃/空冷或緩慢冷370180227.7
0Cr26Ni5Mo2≥950℃/急冷590390187.8

0
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