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(feng)鋼管是(shi)用(yong)擠型或是(shi)輥式穿(chuan)孔(kong)方式+冷軋或冷拔相結(jie)合制造。
焊(han)接(jie)或電阻焊(han)接(jie)管(Electric resistance welding)是(shi)將金(jin)屬片折(zhe)彎成管狀后,在(zai)邊緣部(bu)分焊(han)接(jie)接(jie)合,因此在(zai)管的側面會有焊(han)接(jie)縫。
中國不銹(xiu)鋼管標(biao)準:
GB/T14976-2012 流體(ti)輸送用(yong)不銹鋼無縫管
GB/T14975-2012 結(jie)構用不銹(xiu)鋼(gang)無(wu)縫鋼(gang)管
GB/T12771-2012 流體(ti)輸送(song)用不銹(xiu)鋼焊接鋼管
GB/T12771-2012 機械(xie)結(jie)構用(yong)不銹鋼焊接鋼管
GB/T 31928-2015 船(chuan)舶(bo)用不(bu)銹鋼(gang)無(wu)縫鋼(gang)管
GB13296-2013 鍋爐(lu)、熱(re)交換器用不(bu)銹鋼(gang)無縫鋼(gang)管
GB/T3639-2009 冷(leng)拔或冷(leng)軋精(jing)密(mi)無縫鋼(gang)管(guan)
GB/T21833-2008 奧氏體(ti)-鐵素體(ti)型雙(shuang)相(xiang)不銹鋼(gang)無縫鋼(gang)管
GB/T21833.2-2020 奧氏體-鐵素(su)體型雙相(xiang)不銹(xiu)鋼無縫鋼管
美(mei)國不銹鋼管標準:
ASTM A312 無縫和焊接奧氏體不銹鋼公稱管(Standard Specifification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes)
ASTM A213 無縫(feng)鐵(tie)素(su)體(ti)及奧氏體(ti)合金鋼(gang)鍋(guo)爐、過(guo)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 無縫鐵素體(ti)及(ji)奧氏(shi)體(ti)不銹(xiu)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(ti)(ti)及奧(ao)氏體(ti)(ti)不銹鋼無菌管(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(gang)結構管(guan)(Standard Specification for Seamless Stainless Steel Mechanical Tubing)
ASTM A513 電阻焊碳(tan)鋼(gang)及合金鋼(gang)結構管(Standard Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing)
ASTM A554 焊接不銹鋼結構(gou)管(guan)(Standard Specification for Welded Stainless Steel Mechanical Tubing)
British Standard 1387:1985 用(yong)于螺(luo)紋(wen)和套筒鋼管(guan)和管(guan)子的規(gui)格,適用(yong)于焊(han)接(jie)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(wu)縫和焊接鐵素(su)體(ti)/奧(ao)氏體(ti)不銹(xiu)鋼管(Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe)
ASTM A789一般用途(tu)無縫(feng)焊接鐵素體和奧氏體不銹鋼(gang)管(Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service)
歐洲不銹(xiu)鋼管標準:EN10216-5(無(wu)縫鋼(gang)管壓力用(yong)途-技術(shu)交付條件-第5部分(fen):不(bu)銹鋼(gang)管)
俄羅斯不銹鋼管標準:G0ST 9941-81 冷(溫)加工抗腐(fu)蝕無縫(feng)鋼管
日本(ben)不銹鋼管標準:JIS G3446-2017 機械(xie)和結構用不銹(xiu)鋼(gang)鋼(gang)管、JIS G3459 -2017 管道用不銹(xiu)鋼(gang)管