GBT14976_1994流体输送用不锈钢无缝钢管参数

1、. . .流体输送用不锈钢无缝钢管 (GB/T14976-1994) (1) 尺寸规格 6-25, 6-26 (2) 允许偏差 6-27 (3) 牌号和化学成分 6-28 (4) 力学性能 6-29 表 6-25 流体输送用不锈钢热轧（挤，扩）无缝钢管的尺寸规格 外径壁厚 4.5567891011121314151617196870737680838995102108114121127133140146152159168180194219245237325351377426注 : 1. 表示热轧管规格。 2 根据需方要求， 经供需双方协议，可供应表 6-25 和表 6-26 规格以外的其他尺

2、寸的钢管，尺寸偏差执行相邻较大规格的规定。 表 6-26 流体输送用不锈钢冷拔（轧）钢管的尺寸规格 外径 壁厚 0.50.60.81.01.21.41.51.62.02.22.52.83.03.23.54.04.55.05.56.06.57.07.58.08.59.09.51011121314156789101112131415161718192021222324252728303234353638404245485051535456576063656870737576808385899095100102108114127133140146159168180194219245273325351

3、377426注： 表示冷拔（轧）钢管规格。表 6-27 流体输送用不锈钢无缝钢管的尺寸允许规格偏差 壁厚热轧（挤压，扩）管冷拔（轧）管尺寸 /mm允许偏差 /mm尺寸 /mm允许偏差/mm普通级较高级普通级较高级 外径D 68D1591.25 1 外径D6100.200.1510300.300.2015930500.400.30500.9%0.8% 壁厚S15+15-12.5 12.5 壁厚S0.510.1514%0.1213 +12%-10%15+20-153+12%-10%10%注：钢管的弯曲度不得大于如下规定： 壁厚 15mm 1.5mm/m 壁厚 15mm2.0mm/m 热扩管 3.0

4、mm/m 表 6-28 流体输送用不锈钢无缝钢管的牌号和化学成分 组织类型序号牌号化学成分（质量分数）（%）CSiMnPSNiCrMoTi其他奥氏体 型10Cr18Ni90.071.002.000.0350.0308.0011.0017.0019.00-200Cr19Ni100.0301.002.000.0350.03008.0012.0018.0020.00-30Cr23Ni130.081.002.000.0350.03012.0015.0022.0024.00-40Cr25Ni200.081.002.000.0350.03019.0022.0024.0026.00-5wc0.70-50Cr

5、18Ni10Ti0.081.002.000.0350.0309.0012.0017.0019.00-5wc-60Cr18Ni11Nb0.081.002.000.0350.0309.0013.0017.0019.00-Nb10wc70Cr17Ni14Mo20.081.002.000.0350.03010.0014.0016.0018.502.003.00-800Cr17Ni14Mo20.0301.002.000.0350.03012.0015.0016.0018.002.003.00-90Cr19Ni13Mo30.081.002.000.0350.03011.0015.0018.0020.003

6、.004.00-1000Cr19Ni13Mo30.0301.002.000.0350.03011.0015.0018.0020.0030004.00-110Cr18Ni12Mo2Ti0.081.002.000.0350.03011.0014.0016.0019.001.802.505wc0.70-121Cr18Ni12Mo2Ti0.121.002.000.0350.03011.0014.0016.0019.001.802.505(wc-0.02)0.80-130Cr18Ni12Mo2Ti0.081.002.000.0350.03011.0014.0016.0019.002.503.505wc0

7、.70-141Cr18Ni12Mo3Ti0.121.002.000.0350.03011.0014.0016.0019.002.503.505(wc-0.02)0.80-150Cr18Ni12Mo2Cu20.081.002.000.0350.03011.0014.0017.0019.001.202.75-Cul.002.501600Cr18Ni14Mo2Cu20.0301.002.000.0350.03012.0016.0017.0019.001.202.75-Cul.002.50171Cr18Ni9Ti0.121.002.000.0350.0308.0011.00170019.00-5(wc

8、-0.02)0.08-铁素体型180Cr130.080.600.800.0350.030?12.0014.00-奥氏体-铁素体型190Cr26Ni5Mo20.081.001.500.0350.0303.006.0023.0028.001.003.00-残余Ni0.60。表 6-29 流体输送用不锈钢无缝钢管的力学性能组织类型 牌号推荐热处理制度力学性能密度/(g/cm3)序号b/MPa0.2/MPa5(%)奥氏体型10Cr18Ni910101150,急冷520205357.93200Cr19Ni1010101150,急冷480175357.9330Cr23Ni1310301150,急冷5202

9、05357.9840Cr25Ni2010301150,急冷520205357.9850Cr18Ni10Ti9201150, 急冷520205357.9560Cr18Ni11Nb9801150, 急冷520205357.9870Cr17Ni12Mo210101150,急冷520205357.98800Cr17Ni14Mo210101150,急冷480175357.9890Cr19Ni13Mo310101150,急冷520205357.981000Cr19Ni13Mo310101150,急冷480175357.98110Cr18Ni12Mo2Ti10001100,急冷530205358.00121

10、Cr18Ni12Mo2Ti10001100,急冷530205358.00130Cr18Ni12Mo3Ti10001100,急冷530205358.10141Cr18Ni12Mo3Ti10001100,急冷530205358.10150Cr18Ni12Mo2Cu210101150,急冷520205357.981600Cr18Ni14Mo2Cu210101150,急冷480180357.98171Cr18Ni9Ti10001100,急冷520205357.90铁素体型180Cr13780830,空冷或缓冷370180227.70 奥氏体-铁素体型190Cr26Ni5Mo2950, 急冷59039018