目前不銹鋼管有兩種制造管子的方式:無(wú)縫鋼管(seamless)、焊接或是電阻焊接(electric resistance welding,ERW)。
無(wú)縫鋼管是用擠型或是輥式穿孔方式+冷軋或冷拔相結(jié)合制造。
焊接或電阻焊接管(Electric resistance welding)是將金屬片折彎成管狀后,在邊緣部分焊接接合,因此在管的側(cè)面會(huì)有焊接縫。
中國(guó)不銹鋼管標(biāo)準(zhǔn):
GB/T14976-2012 流體輸送用不銹鋼無(wú)縫管
GB/T14975-2012 結(jié)構(gòu)用不銹鋼無(wú)縫鋼管
GB/T12771-2012 流體輸送用不銹鋼焊接鋼管
GB/T12771-2012 機(jī)械結(jié)構(gòu)用不銹鋼焊接鋼管
GB/T 31928-2015 船舶用不銹鋼無(wú)縫鋼管
GB13296-2013 鍋爐、熱交換器用不銹鋼無(wú)縫鋼管
GB/T3639-2009 冷拔或冷軋精密無(wú)縫鋼管
GB/T21833-2008 奧氏體-鐵素體型雙相不銹鋼無(wú)縫鋼管
GB/T21833.2-2020 奧氏體-鐵素體型雙相不銹鋼無(wú)縫鋼管
美國(guó)不銹鋼管標(biāo)準(zhǔn):
ASTM A312 無(wú)縫和焊接奧氏體不銹鋼公稱管(Standard Specifification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes)
ASTM A213 無(wú)縫鐵素體及奧氏體合金鋼鍋爐、過(guò)熱器,熱交換器管(Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, Heat-Exchanger Tubes)
ASTM A269 無(wú)縫鐵素體及奧氏體不銹鋼泛用管(Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service)
ASTM A270 無(wú)縫鐵素體及奧氏體不銹鋼無(wú)菌管(Standard Specification for Seamless and Welded Austenitic Stainless Steel Sanitary Tubing)
ASTM A511 無(wú)縫鐵素體及奧氏體不銹鋼結(jié)構(gòu)管(Standard Specification for Seamless Stainless Steel Mechanical Tubing)
ASTM A513 電阻焊碳鋼及合金鋼結(jié)構(gòu)管(Standard Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing)
ASTM A554 焊接不銹鋼結(jié)構(gòu)管(Standard Specification for Welded Stainless Steel Mechanical Tubing)
British Standard 1387:1985 用于螺紋和套筒鋼管和管子的規(guī)格,適用于焊接及配合BS21的管螺紋(Specification for screwed and socketed steel tubes and tubulars and for plain end steel tubes suitable for welding or for screwing to BS 21 pipe threads)
ASTM A790標(biāo)準(zhǔn)規(guī)范無(wú)縫和焊接鐵素體/奧氏體不銹鋼管(Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe)
ASTM A789一般用途無(wú)縫焊接鐵素體和奧氏體不銹鋼管(Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service)
歐洲不銹鋼管標(biāo)準(zhǔn):EN10216-5(無(wú)縫鋼管壓力用途-技術(shù)交付條件-第5部分:不銹鋼管)
俄羅斯不銹鋼管標(biāo)準(zhǔn):G0ST 9941-81 冷(溫)加工抗腐蝕無(wú)縫鋼管
日本不銹鋼管標(biāo)準(zhǔn):JIS G3446-2017 機(jī)械和結(jié)構(gòu)用不銹鋼鋼管、JIS G3459 -2017 管道用不銹鋼管