ASTM A204 pressure vessel steel plate ASTM A204 pressure vessle steel plate, we also called it ASME SA204 steel plate. They are all carbon-molybdenum alloy steels with nominal composition of C-0.5Mo.Product application: Welded Boilers Pressure Vessels Pipes Transporting hot liquids Hot Steam Pipes Superheater Tubes Petroleum-Refining Industry Heat Exchanger Collector Pipes Stove Tubes Conduits A204 Steel Pressure Vessel Chemical content: Item C Si Mn P S Mo Grade A 0.18-0.25 0.13-0.45 0.90-0.98 0.035 0.035 0.45–0.60 Grade B 0.20-0.27 0.13-0.45 0.90-0.98 0.035 0.035 0.45–0.60 Grade C 0.23-0.28 0.13-0.45 0.90-0.98 0.035 0.035 0.45–0.60 Mechanical Property: Item Grade A Grade B Grade C Tensile strength, kis [MPa] 65-85 [450-585] 70-90 [485-620] 75-95 [5…