GBT 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

2、拔（轧）钢管的尺寸规格6789101112131415161718192021222324252728303234353638404245485051535456576063656870737576808385899095100102108114127133140146159168180194219245273325351377426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普通级较咼级普通级较咼级68WDW159土1.256100.200.15土110300.300.20注

3、：钢管的弯曲度不得大于如壁厚外径D外径D159D30500.400.30500.9%0.8%15+150.510.150.12壁厚-12.5壁厚14%S12.5S13+12%-10%15+203+12%10%-15-10%1.5mm/m15mm下规定：壁厚三15mm2.0mm/m热扩管3.0mm/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一序号牌号奥10Cr18Ni9氏体型200Cr19Ni100.030C0.07化学成分（质量分数）（）Si1.001.00Mn2.002.00P0.0350.035S0.0300.0300Ni8.0011.008.0012.00Cr17.00

4、19.0018.0020.00MoTi其他30Cr23Ni130.081.002.000.0350.03012.0015.0022.0024.0040Cr25Ni200.081.02.00.030.0319.0024.00一5wc0.70一005022.0026.0050Cr18Ni10Ti0.081.02.00.030.039.0017.00一5wc一005012.0019.0060Cr18Ni11Nb0.081.02.00.030.039.0017.00一一Nb10wc005013.0019.0070Cr17Ni14Mo20.081.02.00.030.0310.0016.002.00一一

5、005014.0018.503.00800Cr17Ni14Mo20.031.02.00.030.0312.0016.002.00一一0005015.0018.003.0090Cr19Ni13Mo30.081.02.00.030.0311.0018.003.00一一005015.0020.004.001000Cr19Ni13Mo30.031.02.00.030.0311.0018.003000一一0005015.0020.004.00110Cr18Ni12Mo2Ti0.081.02.00.030.0311.0016.001.805wc0.70一005014.0019.002.50121Cr18N

6、i12Mo2Ti0.121.02.00.030.0311.0016.001.805(wc-0.0一005014.0019.002.502)0.80130Cr18Ni12Mo2Ti0.081.002.000.0350.03011.0014.0016.0019.002.503.505wc0.70141Cr18Ni12Mo3Ti0.121.02.00.030.0311.0016.002.505(wc-0.0一005014.0019.003.502)0.80150Cr18Ni12Mo2Cu20.081.02.00.030.0311.0017.001.20一Cul.002005014.0019.002.

7、75.501600Cr18Ni14Mo2Cu0.031.02.00.030.0312.0017.001.20一Cul.00220005016.0019.002.75.50171Cr18Ni9Ti0.121.02.00.030.038.001700一5(wc-0.0一005011.0019.002)0.08铁素180Cr130.080.60.80.030.03?12.00一一一体型005014.00奥氏190Cr26Ni5Mo20.081.01.50.030.033.0023.001.00一一体-00503.00铁素6.0028.00体型残余NiW0.60。表6-29流体输送用不锈钢无缝钢管的力

8、学性能序号牌号推荐热处理制度力学性能密度/(g/cm3)工b/MPa0.2/MPa55(%)10Cr18Ni910101150C,急冷520205357.93200Cr19Ni1010101150C,急冷480175357.9330Cr23Ni1310301150C,急冷520205357.9840Cr25Ni2010301150C,急冷520205357.9850Cr18Ni10Ti9201150C,急冷520205357.9560Cr18Ni11Nb9801150C,急冷520205357.9870Cr17Ni12Mo210101150C,急冷520205357.98800Cr17Ni14

9、Mo210101150C,急冷480175357.9890Cr19Ni13Mo310101150C,急冷520205357.981000Cr19Ni13Mo310101150C,急冷480175357.98110Cr18Ni12Mo2Ti10001100C,急冷530205358.00121Cr18Ni12Mo2Ti10001100C,急冷530205358.00组织类型奥氏体型奥氏体-铁素体rl8Nil2Mo3TilCrl8Nil2Mo3Ti0Crl8Nil2Mo2Cu200Crl8Nil4Mo2Cu2lCrl8Ni9Ti10001100C,急冷10001100C,急冷10101150C,急冷10101150C,急冷10001100C,急冷10Cr13780830C,8空冷或缓冷53053052048052037020520520518020518035353535352