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)鋼管是用(yong)擠型或是輥式穿孔方式+冷軋或冷拔相(xiang)結合制造。


焊(han)接(jie)(jie)或電阻焊(han)接(jie)(jie)管(Electric resistance welding)是將金屬片折(zhe)彎成管狀后,在邊緣部分焊(han)接(jie)(jie)接(jie)(jie)合,因此在管的側面會(hui)有焊(han)接(jie)(jie)縫。


中國不銹(xiu)鋼管標準(zhun):


GB/T14976-2012 流(liu)體輸送(song)用不銹鋼無縫管(guan)


GB/T14975-2012 結(jie)構(gou)用不銹鋼無縫鋼管


GB/T12771-2012 流體輸送用(yong)不銹鋼焊接鋼管


GB/T12771-2012 機械結構(gou)用不銹鋼焊(han)接鋼管(guan)


GB/T 31928-2015 船(chuan)舶用不銹鋼無縫(feng)鋼管


GB13296-2013 鍋爐、熱交換器(qi)用不銹鋼(gang)無縫鋼(gang)管


GB/T3639-2009 冷(leng)拔或冷(leng)軋(ya)精(jing)密無縫鋼管


GB/T21833-2008 奧氏體(ti)-鐵素體(ti)型雙相(xiang)不銹鋼無縫鋼管


GB/T21833.2-2020 奧(ao)氏體-鐵素體型雙(shuang)相(xiang)不銹鋼(gang)(gang)無(wu)縫鋼(gang)(gang)管(guan)


美國不銹鋼管標準:


ASTM A312 無縫和(he)焊接奧(ao)氏(shi)體不銹鋼(gang)公稱管(Standard Specifification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes)


ASTM A213 無縫鐵素體(ti)及奧氏(shi)體(ti)合金鋼鍋爐、過熱器(qi)(qi),熱交換(huan)器(qi)(qi)管(Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, Heat-Exchanger Tubes)


ASTM A269 無(wu)縫鐵素體及奧氏體不銹鋼泛(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(xiu)鋼(gang)無菌管(Standard Specification for Seamless and Welded Austenitic Stainless Steel Sanitary Tubing)


ASTM A511 無(wu)縫鐵素(su)體及奧氏體不銹鋼結構管(guan)(Standard Specification for Seamless Stainless Steel Mechanical Tubing)


ASTM A513 電(dian)阻焊碳(tan)鋼及(ji)合金鋼結(jie)構管(Standard Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing)


ASTM A554 焊(han)接不(bu)銹鋼結構(gou)管(Standard Specification for Welded Stainless Steel Mechanical Tubing)


British Standard 1387:1985 用于螺(luo)紋和套筒(tong)鋼管(guan)和管(guan)子(zi)的規格,適用于焊(han)接及配合BS21的管(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(biao)準規范無(wu)縫和焊接鐵素體(ti)/奧氏體(ti)不銹鋼管(Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe)


ASTM A789一般用途無(wu)縫焊(han)接鐵(tie)素體(ti)(ti)和(he)奧氏(shi)體(ti)(ti)不(bu)銹(xiu)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(無縫鋼(gang)管壓力用途-技(ji)術交付條件(jian)-第5部分:不銹鋼(gang)管)


俄羅斯(si)不銹鋼管標準:G0ST 9941-81 冷(溫(wen))加工(gong)抗腐蝕無縫鋼管(guan)


日本不銹(xiu)鋼管(guan)標準:JIS G3446-2017 機械和結構用不銹(xiu)鋼(gang)鋼(gang)管、JIS G3459 -2017 管道用不銹(xiu)鋼(gang)管