What are the commonly used ASTM PLATE MATERIALS ? Answer: I. Carbon Steel :- ASTM A285, ASTM A515, ASTM A516. II. Alloy Steel :- ASTM A387 Gr.2/Gr.5/Gr.7/Gr.9/Gr.11/Gr.12/Gr.22. III. Stainless Steel :- ASTM A240 TP410/TP405/TP430/TP304/TP304L/TP309/TP310S/TP316/TP316L/TP317/TP321/TP347/TP348