ASTM A312 vs ASTM A240
One of the main differences between ASTM A312 and ASTM A240 is the chemical composition of the materials. ASTM A312 is an austenitic stainless steel containing chromium, nickel, and molybdenum. This makes it more resistant to corrosion than other types of stainless steel. ASTM A240, on the other hand, is made of ferritic or martensitic ...