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ASTM A672 B60/B70/C60/C65/C70 LSAW LSAW Chitoliro Chachitsulo cha Carbon
ASTM A672/A672M imakwirira chitoliro chachitsulo: electric-fusion-welded ndi zitsulo zosefera zowonjezeredwa, zopangidwa kuchokera ku mbale yoponderezedwa-chotengera chamtundu uliwonse wa zowunikira zingapo ndi milingo yamphamvu komanso yoyenera ntchito yothamanga kwambiri pamatenthedwe apakati.Muyezo nthawi zambiri umakwirira chitoliro 16 in. (400mm) kunja kwake kapena kukulirapo ndi makulidwe a khoma mpaka 3in.(75mm), chitoliro chophatikizika chokhala ndi miyeso ina chikhoza kuperekedwa malinga ngati chikugwirizana ndi zofunikira zonse za izi.
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Chitoliro chachitsulo cha ASTM A671/A671M LSAW
Izi zimakwirira chitoliro chachitsulo chamagetsi chophatikizika ndi chitsulo chowonjezera, chopangidwa kuchokera ku mbale yamtengo wapatali ya zowunikira zingapo ndi milingo yamphamvu komanso yokwanira kuti igwire ntchito yothamanga kwambiri mumlengalenga komanso kutentha kochepa.
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BS EN10210 S275J0H LSAW(JCOE) Chitoliro chachitsulo
Mfundo imeneyi chimakwirira mpweya zitsulo chitoliro ntchito mkulu-kutentha.
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API 5L X65 PSL1/PSL 2 LSAW Carbon Steel Pipe / API 5L Giredi X70 LSAW Chitoliro Chachitsulo
API Spec 5L imatchula zofunikira pakupanga magawo awiri azinthu (PSL 1 ndi PSL 2) zamapaipi opanda msoko ndi mapaipi achitsulo otsekemera.Mulingo uwu umakwirira mapaipi achitsulo opangidwa kuchokera kuzinthu zosiyanasiyana zopanga monga chitoliro chachitsulo chosasunthika, chitoliro chachitsulo cha Electric Resistance Welded (RW), Longitudinal Seam Submerged Arc Welding (LSAW) ndi mapaipi a Spiral Submerged-Arc welding (SSAW).
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EN10219 S355J0H Structural LSAW(JCOE) Chitoliro Chachitsulo
Chitolirochi chimakwirira chitoliro chachitsulo chosakhala ndi aloyi (chozizira chopangidwa ndi magawo ozungulira ozungulira, masikweya kapena amakona anayi ndi magawo opanda pake omwe amazizira popanda kutenthedwa pambuyo pake) kuti agwiritsidwe ntchito mwamapangidwe.