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(wu)縫(feng)鋼管是(shi)用擠(ji)型或(huo)是(shi)輥(gun)式(shi)(shi)穿孔方式(shi)(shi)+冷軋或(huo)冷拔相結合制造(zao)。


焊(han)接或電阻焊(han)接管(Electric resistance welding)是將金屬片折彎成管狀后,在邊緣(yuan)部(bu)分焊(han)接接合,因此在管的側面會有焊(han)接縫。


中國不(bu)銹鋼管標(biao)準(zhun):


GB/T14976-2012 流體輸送用不銹鋼無縫管


GB/T14975-2012 結構(gou)用不銹鋼(gang)無縫鋼(gang)管(guan)


GB/T12771-2012 流(liu)體輸送用不銹鋼(gang)(gang)焊接鋼(gang)(gang)管


GB/T12771-2012 機械(xie)結構(gou)用(yong)不(bu)銹鋼(gang)焊接鋼(gang)管(guan)


GB/T 31928-2015 船舶用不銹鋼(gang)(gang)無縫鋼(gang)(gang)管


GB13296-2013 鍋爐、熱交換器用不銹鋼無縫鋼管


GB/T3639-2009 冷拔(ba)或(huo)冷軋(ya)精密無縫鋼管(guan)


GB/T21833-2008 奧氏體-鐵素體型雙相不銹鋼無縫鋼管


GB/T21833.2-2020 奧氏體-鐵素(su)體型(xing)雙相不(bu)銹鋼無(wu)縫鋼管


美(mei)國不銹鋼管標準(zhun):


ASTM A312 無縫(feng)和焊接奧氏體(ti)不銹(xiu)鋼公稱管(Standard Specifification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes)


ASTM A213 無縫鐵素體及奧氏體合金鋼鍋爐、過熱(re)器,熱(re)交(jiao)換(huan)器管(guan)(Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, Heat-Exchanger Tubes)


ASTM A269 無縫鐵素(su)體(ti)及奧氏(shi)體(ti)不銹鋼(gang)泛用管(guan)(Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service)


ASTM A270 無縫(feng)鐵素體及奧氏體不銹鋼(gang)無菌管(guan)(Standard Specification for Seamless and Welded Austenitic Stainless Steel Sanitary Tubing)


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


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


ASTM A554 焊接不銹鋼結(jie)構(gou)管(guan)(Standard Specification for Welded Stainless Steel Mechanical Tubing)


British Standard 1387:1985 用于(yu)螺(luo)紋和套筒鋼管(guan)和管(guan)子的(de)規格,適用于(yu)焊接及配(pei)合BS21的(de)管(guan)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標準(zhun)規范無縫和(he)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(yong)途無縫焊接鐵素體和(he)奧氏體不(bu)銹鋼管(Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service)


歐洲不銹(xiu)鋼管標準(zhun):EN10216-5(無縫(feng)鋼管壓力用途-技術交付條件-第5部分:不銹鋼管)


俄(e)羅斯不(bu)銹鋼管標準:G0ST 9941-81 冷(溫)加(jia)工抗(kang)腐(fu)蝕無縫鋼管


日(ri)本不銹鋼管標準:JIS G3446-2017 機(ji)械和(he)結(jie)構用不銹(xiu)鋼鋼管、JIS G3459 -2017 管道用不銹(xiu)鋼管