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(xing)或(huo)是(shi)輥(gun)式穿孔方式+冷軋或(huo)冷拔相結合制造(zao)。


焊接(jie)(jie)(jie)或(huo)電阻焊接(jie)(jie)(jie)管(guan)(Electric resistance welding)是將金屬片折彎成管(guan)狀(zhuang)后,在邊(bian)緣部分焊接(jie)(jie)(jie)接(jie)(jie)(jie)合,因此在管(guan)的(de)側(ce)面(mian)會有焊接(jie)(jie)(jie)縫。


中國不(bu)銹鋼管標準:


GB/T14976-2012 流(liu)體輸送用不銹鋼(gang)無(wu)縫管


GB/T14975-2012 結構用不銹(xiu)鋼(gang)無縫(feng)鋼(gang)管


GB/T12771-2012 流體輸送用不銹(xiu)鋼(gang)焊(han)接(jie)鋼(gang)管


GB/T12771-2012 機械結構(gou)用不銹鋼(gang)焊(han)接鋼(gang)管


GB/T 31928-2015 船舶用不(bu)銹(xiu)鋼(gang)無縫鋼(gang)管


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


GB/T3639-2009 冷拔(ba)或冷軋精密無縫鋼管


GB/T21833-2008 奧氏(shi)體(ti)-鐵(tie)素體(ti)型雙相不銹鋼(gang)(gang)無縫鋼(gang)(gang)管


GB/T21833.2-2020 奧(ao)氏體-鐵素體型雙相(xiang)不(bu)銹(xiu)鋼無(wu)縫鋼管


美國不銹鋼管標準:


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 無縫鐵素體及(ji)奧(ao)氏體合金鋼鍋爐、過熱(re)器,熱(re)交(jiao)換器管(Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, Heat-Exchanger Tubes)


ASTM A269 無縫鐵(tie)素(su)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 無縫鐵素體及奧氏(shi)體不銹(xiu)鋼(gang)無菌(jun)管(Standard Specification for Seamless and Welded Austenitic Stainless Steel Sanitary Tubing)


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


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


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


British Standard 1387:1985 用于(yu)螺(luo)紋(wen)和(he)套筒(tong)鋼管(guan)和(he)管(guan)子的(de)規格,適用于(yu)焊接及配合(he)BS21的(de)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(biao)準規范無縫和焊接鐵素體(ti)/奧氏(shi)體(ti)不銹鋼管(guan)(Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe)


ASTM A789一般用途無縫焊接(jie)鐵(tie)素體(ti)和(he)奧氏體(ti)不銹鋼(gang)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(無縫鋼管(guan)壓(ya)力用(yong)途-技術(shu)交(jiao)付條(tiao)件-第(di)5部分:不(bu)銹鋼管(guan))


俄羅(luo)斯不銹(xiu)鋼管標準:G0ST 9941-81 冷(溫)加工抗(kang)腐蝕無縫(feng)鋼管


日本不銹鋼(gang)管標準:JIS G3446-2017 機械和(he)結構用(yong)不銹鋼(gang)鋼(gang)管(guan)(guan)、JIS G3459 -2017 管(guan)(guan)道用(yong)不銹鋼(gang)管(guan)(guan)