WCB (Carbon Steel), LCB (Tsawg dua cov chromium hlau), WC9 (1.25% Chromium Hlau), C5 (1.25% Molybdenum Hlau), C5 (1.25% Molybdenum Hlau), CA15 (4) (12% chromium), cf8c (314 stainless hlau), cf3m (m35-1 (melloy) (Haast Nickel Alloy C), Cy40 (Inconel), thiab lwm yam.
Xa kev nug