Ko nga hua matua o ta maatau kamupene i kiia.

Ka hokona e to taatau kamupene nga momo: ngongo maitai hanganga, ngongo rino wai, ngongo koranu, ngongo oko pehanga (ngongo kohua iti me te reo, te ngongo kohua teitei, te ngongo tongi teitei, te ngongo pakaru hinu), te paipa hinu, te paipa rino toia makariri, me etahi atu hua.

Ko nga mea e tu ana ko SA106B, 20 G, Q345, 12 Cr1MoVG, 15 CrMoG, Cr5Mo, 1 Cr9Mo, 10 CrMo910, A335P5 / P9 / P11 / P12 / P22 / P91 / P92, etc.

WhakamateaASME SA-106/SA-106M-2015, ASTMA210(A210M)-2012,ASMESA-213/SA-213M, ASTM A335/A335M-2018ASTM-A519-2006, ASTM A53 / A53M – 2012, me etahi atu GbGB8162-2018 (paipa hanga), GB8163-2018 (paipa wai),GB3087-2008 (pipa kōhua ​​iti me te reo waenga), GB5310-2017 (pipa kōhua ​​teitei), Gb6479-2013 (paipa motuhake mo te tongi matū), GB9948-2013 (pipa pakaru hinu), GB/T 17396-2009(Ngongo maitai mo te keri waro), etc. Kei reira anoAPI5CT (te pouaka me te ngongo), API 5L(paipa)

Ko nga hua e pa ana ki te miihini, te hiko hiko, te kohua, te tukatuka miihini, nga waahanga motuka, te hinu, te waro me etahi atu mara.

Ko te hanganga matū o te ngongo maitai he waro C, silicon Si, Manganese Mn, whanariki S, ūkuikui P, Chromium Cr.

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Wā tuku: Hune-23-2022

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