目前不銹鋼管有兩種制造管子的方式:無縫鋼管(seamless)、焊接或是電阻焊接(electric resistance welding,ERW)。


無縫鋼管是(shi)用(yong)擠型(xing)或是(shi)輥式穿孔方式+冷軋或冷拔相結合(he)制造。


焊接或電阻焊接管(guan)(Electric resistance welding)是(shi)將(jiang)金(jin)屬片折彎(wan)成管(guan)狀后,在邊(bian)緣部分焊接接合,因此在管(guan)的側面會(hui)有焊接縫(feng)。


中國不銹鋼管標準:


GB/T14976-2012 流體輸送用(yong)不(bu)銹鋼無(wu)縫(feng)管(guan)


GB/T14975-2012 結構用不(bu)銹鋼無縫鋼管


GB/T12771-2012 流體(ti)輸送用不銹鋼焊(han)接(jie)鋼管


GB/T12771-2012 機(ji)械結構(gou)用不銹鋼焊接(jie)鋼管


GB/T 31928-2015 船(chuan)舶用不銹鋼無縫鋼管(guan)


GB13296-2013 鍋爐(lu)、熱交換器用(yong)不銹鋼(gang)無縫(feng)鋼(gang)管(guan)


GB/T3639-2009 冷拔(ba)或冷軋精密無縫鋼(gang)管


GB/T21833-2008 奧氏體-鐵素(su)體型(xing)雙相不銹鋼無縫鋼管


GB/T21833.2-2020 奧氏(shi)體-鐵(tie)素體型雙(shuang)相不(bu)銹鋼無縫鋼管


美國不銹鋼(gang)管標準:


ASTM A312 無縫和焊接奧氏(shi)體不銹鋼公稱管(Standard Specifification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes)


ASTM A213 無縫(feng)鐵素體及奧氏(shi)體合金鋼(gang)鍋爐、過(guo)熱器,熱交換器管(Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, Heat-Exchanger Tubes)


ASTM A269 無縫(feng)鐵素(su)體(ti)及奧氏體(ti)不銹鋼泛用管(Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service)


ASTM A270 無(wu)縫(feng)鐵素體(ti)及奧氏體(ti)不銹鋼無(wu)菌管(Standard Specification for Seamless and Welded Austenitic Stainless Steel Sanitary Tubing)


ASTM A511 無縫鐵(tie)素體及奧氏體不銹鋼結構管(Standard Specification for Seamless Stainless Steel Mechanical Tubing)


ASTM A513 電(dian)阻(zu)焊碳(tan)鋼及合金鋼結構管(Standard Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing)


ASTM A554 焊接不銹鋼結構管(Standard Specification for Welded Stainless Steel Mechanical Tubing)


British Standard 1387:1985 用于螺(luo)紋和套筒鋼(gang)管和管子的規(gui)格,適用于焊接及(ji)配(pei)合BS21的管螺(luo)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(biao)準(zhun)規范無縫和焊接鐵素(su)體/奧氏體不銹(xiu)鋼管(Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe)


ASTM A789一般用途無(wu)縫焊(han)接鐵素體(ti)(ti)和奧氏體(ti)(ti)不銹鋼管(guan)(Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service)


歐洲不(bu)銹鋼管標準:EN10216-5(無縫鋼管(guan)(guan)壓(ya)力用(yong)途-技術交付條(tiao)件-第5部分:不銹鋼管(guan)(guan))


俄羅(luo)斯不(bu)銹(xiu)鋼(gang)管(guan)標準(zhun):G0ST 9941-81 冷(溫)加工抗腐蝕無縫(feng)鋼管


日本不銹(xiu)鋼管(guan)標(biao)準:JIS G3446-2017 機械和結構用不銹鋼(gang)鋼(gang)管(guan)(guan)、JIS G3459 -2017 管(guan)(guan)道用不銹鋼(gang)管(guan)(guan)