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)鋼管是用擠型或(huo)是輥式穿孔方式+冷(leng)軋或(huo)冷(leng)拔(ba)相結合制造。
焊接(jie)或電阻焊接(jie)管(Electric resistance welding)是將金屬片折彎成(cheng)管狀(zhuang)后,在(zai)邊緣部分焊接(jie)接(jie)合,因此(ci)在(zai)管的側面(mian)會有焊接(jie)縫(feng)。
中國(guo)不銹鋼管(guan)標準:
GB/T14976-2012 流體(ti)輸(shu)送用(yong)不(bu)銹鋼無縫管
GB/T14975-2012 結構用不銹鋼無縫鋼管
GB/T12771-2012 流體輸(shu)送用(yong)不(bu)銹鋼焊接鋼管
GB/T12771-2012 機械結構(gou)用不銹鋼(gang)(gang)焊接(jie)鋼(gang)(gang)管
GB/T 31928-2015 船(chuan)舶用不銹鋼無縫鋼管
GB13296-2013 鍋爐、熱交換器(qi)用(yong)不銹鋼無縫鋼管(guan)
GB/T3639-2009 冷拔或冷軋精密無縫(feng)鋼管
GB/T21833-2008 奧氏體-鐵素體型雙(shuang)相不銹鋼無縫鋼管
GB/T21833.2-2020 奧(ao)氏體-鐵素體型雙相(xiang)不(bu)銹鋼(gang)無縫鋼(gang)管
美國(guo)不銹鋼(gang)管標準:
ASTM A312 無(wu)縫和焊接奧氏體不銹(xiu)鋼公稱管(Standard Specifification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes)
ASTM A213 無(wu)縫鐵素體及奧氏體合金鋼鍋爐、過熱(re)器,熱(re)交換器管(Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, Heat-Exchanger Tubes)
ASTM A269 無縫(feng)鐵素體及(ji)奧氏體不銹鋼泛用管(Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service)
ASTM A270 無縫鐵素體及(ji)奧氏體不銹(xiu)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)不銹鋼結(jie)構管(Standard Specification for Seamless Stainless Steel Mechanical Tubing)
ASTM A513 電阻焊碳鋼及合金鋼結構(gou)管(Standard Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing)
ASTM A554 焊接不銹鋼(gang)結(jie)構(gou)管(guan)(Standard Specification for Welded Stainless Steel Mechanical Tubing)
British Standard 1387:1985 用于(yu)螺紋和套(tao)筒鋼管(guan)和管(guan)子的規格,適用于(yu)焊接及(ji)配(pei)合BS21的管(guan)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(biao)準規范無縫(feng)和焊接(jie)鐵素體/奧(ao)氏體不銹鋼管(Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe)
ASTM A789一般用途無縫焊接鐵(tie)素(su)體和奧氏體不銹鋼管(guan)(Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service)
歐洲不銹鋼(gang)管標準:EN10216-5(無(wu)縫(feng)鋼管壓(ya)力用途(tu)-技術交付條件-第5部分(fen):不銹鋼管)
俄羅斯不(bu)銹鋼管標準:G0ST 9941-81 冷(溫)加工抗腐蝕無縫鋼管
日本不銹鋼(gang)管(guan)標準:JIS G3446-2017 機械和結(jie)構(gou)用不銹(xiu)鋼鋼管、JIS G3459 -2017 管道用不銹(xiu)鋼管