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)。


無縫鋼管是用擠型或是輥式穿孔(kong)方式+冷(leng)軋或冷(leng)拔(ba)相結合制造(zao)。


焊接(jie)或(huo)電阻焊接(jie)管(guan)(Electric resistance welding)是(shi)將金屬片(pian)折彎成管(guan)狀后,在邊緣部分焊接(jie)接(jie)合,因此(ci)在管(guan)的側面會(hui)有焊接(jie)縫。


中國不(bu)銹鋼管標準:


GB/T14976-2012 流體輸(shu)送用不(bu)銹鋼(gang)無(wu)縫管(guan)


GB/T14975-2012 結構用不銹鋼(gang)無縫鋼(gang)管


GB/T12771-2012 流體輸送用不銹鋼焊接鋼管


GB/T12771-2012 機械(xie)結構用不銹鋼焊接鋼管


GB/T 31928-2015 船舶用不銹(xiu)鋼無縫鋼管


GB13296-2013 鍋爐、熱交換(huan)器用不銹鋼無縫鋼管


GB/T3639-2009 冷拔或冷軋精密(mi)無縫鋼管


GB/T21833-2008 奧氏體-鐵素體型(xing)雙相不(bu)銹鋼(gang)(gang)無縫(feng)鋼(gang)(gang)管


GB/T21833.2-2020 奧氏體-鐵素體型(xing)雙(shuang)相不銹(xiu)鋼(gang)無(wu)縫鋼(gang)管


美國(guo)不銹鋼(gang)管標準:


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


ASTM A213 無縫鐵素體及奧氏(shi)體合(he)金鋼(gang)鍋爐、過熱器(qi),熱交換(huan)器(qi)管(Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, Heat-Exchanger Tubes)


ASTM A269 無(wu)縫鐵素體(ti)(ti)及奧氏體(ti)(ti)不(bu)銹鋼泛用(yong)管(Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service)


ASTM A270 無縫鐵素(su)體(ti)及奧氏體(ti)不銹鋼無菌管(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(xiu)鋼結(jie)構管(Standard Specification for Seamless Stainless Steel Mechanical Tubing)


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


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


British Standard 1387:1985 用于螺(luo)紋(wen)和(he)套(tao)筒鋼管(guan)和(he)管(guan)子的規格,適用于焊(han)接及配合BS21的管(guan)螺(luo)紋(wen)(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(yi)般用途(tu)無縫焊接鐵(tie)素(su)體(ti)和奧氏體(ti)不銹鋼管(guan)(Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service)


歐洲不銹鋼管標準:EN10216-5(無縫鋼(gang)管壓力用途(tu)-技(ji)術交付條(tiao)件(jian)-第(di)5部分:不銹鋼(gang)管)


俄羅斯不銹鋼管標準:G0ST 9941-81 冷(leng)(溫(wen))加工抗腐蝕無(wu)縫鋼管(guan)


日本不銹(xiu)鋼管(guan)標準:JIS G3446-2017 機(ji)械(xie)和結(jie)構用(yong)不銹(xiu)(xiu)鋼(gang)鋼(gang)管、JIS G3459 -2017 管道用(yong)不銹(xiu)(xiu)鋼(gang)管