کارخانه astm a564 با راندمان بالا
ASTM A564 Specification. ASTM A564 Specification. This specification2 covers bars and shapes of agehardening stainless steels. Hot-finished or cold-finished rounds, squares, hexagons, bar shapes, angles, tees, and channels are included; these shapes may be produced by hot rolling, extruding, or forging.