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(gang)管是用擠型或是輥(gun)式穿孔方式+冷軋或冷拔(ba)相結合制造。
焊接(jie)(jie)或電阻焊接(jie)(jie)管(guan)(guan)(Electric resistance welding)是將金屬片折(zhe)彎成(cheng)管(guan)(guan)狀后,在邊緣部(bu)分焊接(jie)(jie)接(jie)(jie)合,因此在管(guan)(guan)的側(ce)面會有焊接(jie)(jie)縫。
中國不銹(xiu)鋼(gang)管(guan)標準:
GB/T14976-2012 流體(ti)輸送(song)用不銹鋼(gang)無縫管
GB/T14975-2012 結(jie)構用不銹鋼無縫鋼管(guan)
GB/T12771-2012 流體輸送用不(bu)銹鋼焊(han)接鋼管
GB/T12771-2012 機械結構用不銹鋼(gang)焊接鋼(gang)管
GB/T 31928-2015 船(chuan)舶(bo)用不銹鋼無縫鋼管
GB13296-2013 鍋爐、熱交換器用(yong)不銹鋼無縫(feng)鋼管
GB/T3639-2009 冷(leng)拔或冷(leng)軋精密無縫鋼管
GB/T21833-2008 奧氏體-鐵素(su)體型雙相不銹鋼無縫鋼管(guan)
GB/T21833.2-2020 奧氏體-鐵素(su)體型(xing)雙相不(bu)銹鋼(gang)無縫鋼(gang)管
美國不銹鋼管(guan)標準:
ASTM A312 無(wu)縫和焊接(jie)奧氏(shi)體(ti)不(bu)銹鋼(gang)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)奧氏體合金鋼(gang)鍋爐、過熱(re)器,熱(re)交換器管(guan)(Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, Heat-Exchanger Tubes)
ASTM A269 無(wu)縫(feng)鐵素(su)體及奧(ao)氏體不(bu)銹鋼泛(fan)用管(Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service)
ASTM A270 無縫鐵素體及奧氏體不銹鋼無菌管(guan)(Standard Specification for Seamless and Welded Austenitic Stainless Steel Sanitary Tubing)
ASTM A511 無縫鐵素(su)體(ti)及奧氏體(ti)不銹鋼結構管(Standard Specification for Seamless Stainless Steel Mechanical Tubing)
ASTM A513 電(dian)阻焊(han)碳鋼(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(bu)銹鋼結構管(Standard Specification for Welded Stainless Steel Mechanical Tubing)
British Standard 1387:1985 用于螺紋和(he)套筒鋼管(guan)和(he)管(guan)子(zi)的規格,適用于焊接及配合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標準(zhun)規范無(wu)縫(feng)和(he)焊接鐵素(su)體/奧(ao)氏體不銹鋼管(guan)(Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe)
ASTM A789一(yi)般用途無縫(feng)焊接鐵素體和奧氏體不銹鋼管(Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service)
歐洲(zhou)不銹鋼管(guan)標準:EN10216-5(無縫(feng)鋼管壓力(li)用途-技術交付條件-第5部分(fen):不銹(xiu)鋼管)
俄羅(luo)斯不銹(xiu)鋼管(guan)標準:G0ST 9941-81 冷(leng)(溫)加(jia)工抗腐蝕無縫(feng)鋼管
日本不銹鋼管(guan)標準:JIS G3446-2017 機(ji)械和結構用不(bu)(bu)銹(xiu)鋼(gang)(gang)鋼(gang)(gang)管(guan)、JIS G3459 -2017 管(guan)道用不(bu)(bu)銹(xiu)鋼(gang)(gang)管(guan)