Bambanci tsakanin karfe 304 da 304l bakin karfe shine cewa 304l yana da .03 na carbon kuma yana da kyau don walda a matsayin carbon a lokacin 304 yana da tsakiyar Carbon ɗin.
Nau'in 317l wani molybdenum-dauke da bashin karfe da aka tsara don samar da mafi kyawun yanayin yanayin yanayin da ke lalata, musamman ma abubuwan da ke ɗauke da kawa ko wasu halides. A low carbon abun ciki yana ba da izinin 317L ba tare da lalata intanet ba saboda haɓakar cromium carbide a kan iyakokin hatsi. Nau'in 317l ba magnetic bane a cikin wanda aka azabarta, amma ana iya yin kadan magnetic ta hanyar Soja.
Bakin karfe masu taimako
Ana amfani da kayan aikin Duplex a cikin nau'ikan aikace-aikacen pipping daban-daban. 2205 tsari ne mai daidaitaccen karfe tare da 21% chromium. Kayan yana da ƙarfi, sau biyu masu ƙarfi kamar nau'in ƙarfe na usenitic. Ka'idojin daban-daban kamar Asme B16.9, B16.28 da B16.25 Gwada Girma. Ya danganta da nau'in abin da ya dace, wanda keɓaɓɓen ya zama diamita na dacewa na iya bambanta.
1-24 a403 WPB Ansi B16.9 Astm Gent 17377 Bakin Karfe Pilduces, 30D 45D 90D SCD SCD SC40 Sch80 Bakin Karfe Helbow
MSS-SP75 Dogon haske Elbows, 3r Elbows, madaidaiciya hees, Reseparfafa Oplet: Ka'idodi
Astm A403 WP317L shine Molybdenum wanda ke ɗaukar ciki, ƙarancin carbon "l" sa na samar da cututtukan cututtukan ƙarfe sama da 304l da 316l bakin karfe. Low carbon yana ba da juriya don jan hankali yayin waldi da sauran matakan zafi.
Astm AN234 WPB Enbow babban takamaiman tsari ne don bututun ƙarfe na carbon karfe kuma alloy karfe ya dace da sabis na zazzabi mai zafi.
ISO, JIS JIS Duk nau'in Buttwelding samfurin ko azaman zane na abokin ciniki azaman buƙatar abokin ciniki