O le mea e i ai le maualuga o le fetolofi ma le afaina o le tetee. O le MolybDenuums o loʻo maua ai le tetee ma pitting teteʻe i le paipa. ASTM A335 p22 paipa e talafeagai mo le maualuga o le tamaoaiga tautua. O le agavaʻa e faʻaaogaina i le maualuga vevela e sau mai mea totino. O le tuʻufaʻatasiga o le astm A335 p22 US CARDE CARBON, Manganese, Opsphoruss, Soulphorus, Alimipeta, Chromish, Chromish, Chromish, Chromish, Chromish, Chromish, Chromish, Chromish, Chromish, Chromish, Chromish, Chromish, Chromish, Chromish, Chromish, Chromish, Chromish, Chromish, Chromish, Chromish