ASTM A403 WPRPOR tau npog tus qauv rau wroustenitic stainless hlau fittings rau cov kev siv cov khoom siv hluav taws xob siab. Cov khoom siv rau cov fittings yuav tsum muaj kev lom zem, cov kab, daim hlau, lossis seamless lossis welded tubular khoom. Forging lossis Sharing ua haujlwm yuav tsum tau ua los ntawm rauj, nias, extruding, dobing, dhuav, kev sib xyaw ntawm ob lossis ntau dua ntawm cov haujlwm no. Txhua tus fittings yuav yauv ua kom sov.