GBT149761994流體輸送用不銹鋼無(wú)縫鋼管參數(shù)

1、.流體輸送用不銹鋼無(wú)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(wú)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

2、，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拔（軋）鋼管的尺寸規(guī)格 外徑 壁厚 0.50.60.81.01.21.41.51.62.02.22.52.83.03.23.54.04.55.05.56.06.57.07.58.08.59.09.510111213141567891011121314151617181920212223242527283032343536384042454850515354565760636568707375768083858990951001021081141271331401461591681801942192452733253513774

3、26注： 表示冷拔（軋）鋼管規(guī)格。表 6-27 流體輸送用不銹鋼無(wú)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)較高級(jí)普通級(jí)較高級(jí) 外徑d 68d1591.25 1 外徑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：鋼管的彎曲度不得大于如下規(guī)定： 壁厚 15mm 1.5mm/m 壁厚 15mm2.0mm/m 熱擴(kuò)管 3.0mm/m

4、 表 6-28 流體輸送用不銹鋼無(wú)縫鋼管的牌號(hào)和化學(xué)成分 組織類(lèi)型序號(hào)牌號(hào)化學(xué)成分（質(zhì)量分?jǐn)?shù)）（%）csimnpsnicrmoti其他奧氏體 型10cr18ni90.071.002.000.0350.0308.0011.0017.0019.00-200cr19ni100.0301.002.000.0350.03008.0012.0018.0020.00-30cr23ni130.081.002.000.0350.03012.0015.0022.0024.00-40cr25ni200.081.002.000.0350.03019.0022.0024.0026.00-5wc0.70-50cr18ni

5、10ti0.081.002.000.0350.0309.0012.0017.0019.00-5wc-60cr18ni11nb0.081.002.000.0350.0309.0013.0017.0019.00-nb10wc70cr17ni14mo20.081.002.000.0350.03010.0014.0016.0018.502.003.00-800cr17ni14mo20.0301.002.000.0350.03012.0015.0016.0018.002.003.00-90cr19ni13mo30.081.002.000.0350.03011.0015.0018.0020.003.004

6、.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)0.80-130cr18ni12mo2ti0.081.002.000.0350.03011.0014.0016.0019.002.503.505wc0.70-

7、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-0.0

8、2)0.08-鐵素體型180cr130.080.600.800.0350.030?12.0014.00-奧氏體-鐵素體型190cr26ni5mo20.081.001.500.0350.0303.006.0023.0028.001.003.00-殘余ni0.60。表 6-29 流體輸送用不銹鋼無(wú)縫鋼管的力學(xué)性能組織類(lèi)型 牌號(hào)推薦熱處理制度力學(xué)性能密度/(g/cm3)序號(hào)b/mpa0.2/mpa5(%)奧氏體型10cr18ni910101150,急冷520205357.93200cr19ni1010101150,急冷480175357.9330cr23ni1310301150,急冷52020535

9、7.9840cr25ni2010301150,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530205358.00121cr18ni12mo2ti10001100,急冷530205358.00130cr18ni12mo3ti10001100,急冷530205358.10141cr18ni12mo3ti10001100,急冷530205358.10150cr18ni12mo2cu210101150,急冷520205357.981600cr18ni14mo2cu210101150,急冷480180357.98171cr18ni9ti10001100,急冷520205357.90鐵素體型180cr13780830,空冷或緩冷370180227.70 奧氏體-鐵素體型190cr26ni5mo2950, 急冷59039018