ASME A234 Chitoliro cha Carbon Fring Cireding, zotchinga zitsulo zopangidwa ndi Chromium, Molybdenum, Nickel, ndi zinthu zina zolimba, zolimba zabwino, zolimba. Kugwiritsidwa ntchito kwambiri m'mapaipi a mafuta ndi mafuta, makampani opanga mankhwala, zomera zamagetsi, magetsi opanga nyukiliya, maseva ndi minda ina.