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(gang)管是(shi)用擠型或是(shi)輥式穿孔(kong)方式+冷(leng)軋或冷(leng)拔相結合(he)制(zhi)造(zao)。


焊(han)(han)接(jie)或電阻(zu)焊(han)(han)接(jie)管(Electric resistance welding)是(shi)將金屬片折彎(wan)成管狀后(hou),在邊(bian)緣(yuan)部分(fen)焊(han)(han)接(jie)接(jie)合,因此在管的側(ce)面會有焊(han)(han)接(jie)縫。


中(zhong)國不銹鋼(gang)管(guan)標準(zhun):


GB/T14976-2012 流體輸(shu)送(song)用(yong)不銹鋼(gang)無(wu)縫(feng)管


GB/T14975-2012 結構用不(bu)銹鋼(gang)無縫鋼(gang)管


GB/T12771-2012 流體輸送用不銹鋼(gang)焊接(jie)鋼(gang)管(guan)


GB/T12771-2012 機械結構(gou)用(yong)不銹鋼(gang)焊接鋼(gang)管


GB/T 31928-2015 船(chuan)舶用不(bu)銹(xiu)鋼無(wu)縫鋼管


GB13296-2013 鍋爐(lu)、熱交換器用不銹鋼(gang)無縫鋼(gang)管


GB/T3639-2009 冷(leng)拔或(huo)冷(leng)軋精密(mi)無縫鋼管


GB/T21833-2008 奧氏體(ti)-鐵素體(ti)型雙相(xiang)不銹鋼無縫(feng)鋼管


GB/T21833.2-2020 奧氏體-鐵素體型雙相不銹(xiu)鋼無(wu)縫鋼管


美國不銹(xiu)鋼管(guan)標(biao)準(zhun):


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


ASTM A213 無(wu)縫鐵(tie)素體(ti)及奧氏(shi)體(ti)合金鋼鍋爐、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(wu)縫鐵素體(ti)及(ji)奧(ao)氏體(ti)不銹(xiu)鋼(gang)泛用管(Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service)


ASTM A270 無(wu)縫鐵素(su)體及奧(ao)氏體不銹鋼無(wu)菌管(Standard Specification for Seamless and Welded Austenitic Stainless Steel Sanitary Tubing)


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


ASTM A513 電阻焊碳鋼及(ji)合金鋼結構(gou)管(Standard Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing)


ASTM A554 焊接(jie)不(bu)銹鋼(gang)結構管(Standard Specification for Welded Stainless Steel Mechanical Tubing)


British Standard 1387:1985 用(yong)于螺紋和(he)套筒鋼(gang)管和(he)管子的規格(ge),適用(yong)于焊(han)接及配(pei)合(he)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標準規范無(wu)縫和焊接(jie)鐵素體(ti)(ti)/奧(ao)氏體(ti)(ti)不(bu)銹鋼管(guan)(Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe)


ASTM A789一般用途無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)


歐洲不銹鋼管標準:EN10216-5(無(wu)縫鋼管(guan)壓力用(yong)途-技(ji)術交(jiao)付條件-第5部分:不銹鋼管(guan))


俄(e)羅斯不(bu)銹鋼(gang)管標準:G0ST 9941-81 冷(leng)(溫(wen))加工抗(kang)腐(fu)蝕(shi)無縫(feng)鋼管


日本不銹(xiu)鋼管(guan)標準:JIS G3446-2017 機械和結構(gou)用(yong)不(bu)銹鋼鋼管、JIS G3459 -2017 管道用(yong)不(bu)銹鋼管