GBT 流體輸送用不銹鋼無縫鋼管參數(shù)

1、流體輸送用不銹鋼無縫鋼管(GB/T14976-1994)(1)尺寸規(guī)格6-25,6-26(2)允許偏差6-27(3)牌號(hào)和化學(xué)成分6-28(4)力學(xué)性能6-29表6-25流體輸送用不銹鋼熱軋(擠，擴(kuò))無縫鋼管的尺寸規(guī)格外徑壁厚4.5567891011121314151617196870737680838995102108114121127133140146152159168180194219245237325351377426注:1.表示熱軋管規(guī)格。2根據(jù)需方要求，經(jīng)供需雙方協(xié)議，可供應(yīng)表6-25和表6-26規(guī)格以外的其他尺寸的鋼管，尺寸偏差執(zhí)行相鄰較大規(guī)格的規(guī)定。表6-26流體輸送用不銹鋼冷

2、拔（軋）鋼管的尺寸規(guī)格6789101112131415161718192021222324252728303234353638404245485051535456576063656870737576808385899095100102108114127133140146159168180194219245273325351377426注：表示冷拔（軋）鋼管規(guī)格。表6-27流體輸送用不銹鋼無縫鋼管的尺寸允許規(guī)格偏差壁厚熱軋（擠壓，擴(kuò)）管冷拔（軋）管尺寸/mm允許偏差/mm尺寸/mm允許偏差/mm普通級(jí)較咼級(jí)普通級(jí)較咼級(jí)68WDW159土1.256100.200.15土110300.300.20注

3、：鋼管的彎曲度不得大于如壁厚外徑D外徑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下規(guī)定：壁厚三15mm2.0mm/m熱擴(kuò)管3.0mm/m表6-28流體輸送用不銹鋼無縫鋼管的牌號(hào)和化學(xué)成分組織類型一序號(hào)牌號(hào)奧10Cr18Ni9氏體型200Cr19Ni100.030C0.07化學(xué)成分（質(zhì)量分?jǐn)?shù)）（）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鐵素180Cr130.080.60.80.030.03?12.00一一一體型005014.00奧氏190Cr26Ni5Mo20.081.01.50.030.033.0023.001.00一一體-00503.00鐵素6.0028.00體型殘余NiW0.60。表6-29流體輸送用不銹鋼無縫鋼管的力

8、學(xué)性能序號(hào)牌號(hào)推薦熱處理制度力學(xué)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組織類型奧氏體型奧氏體-鐵素體rl8Nil2Mo3TilCrl8Nil2Mo3Ti0Crl8Nil2Mo2Cu200Crl8Nil4Mo2Cu2lCrl8Ni9Ti10001100C,急冷10001100C,急冷10101150C,急冷10101150C,急冷10001100C,急冷10Cr13780830C,8空冷或緩冷53053052048052037020520520518020518035353535352