ASTM A204 Grade A is categorized as Alloy Steel. It is composed of (in weight percentage) 0.25% Carbon (C), 0.9% Manganese (Mn), 0.035% Phosphorus (P), 0.04% Sulfur (S), 0.15-0.30% Silicon (Si), 0.45-0.60% Nickel (Ni), 0.45-0.60% Molybdenum (Mo), and the base metal Iron (Fe). Another common designation of ASTM A204 Grade A alloy steel is UNS K11820.
ASTM A204 standard specification for Pressure Vessel Plates, Alloy Steel, Molybdenum .
ASTM A204 Grade A is used in fabricators serving industry, especially in the oil, gas and chemical supply markets.
A 204 gr.A steel Heat Treatment: Hot Rolled, CR, Normalized, Quenched, Tempered, TMCP, Electroslag Remelting Technical, HIC test.
A 204 gr.A steel Services: Cutting, Painting, Ball blast, Pretreatment , and The third party inspection by DNV, BV, LR, GL, ABS, CCS , CE Mark, TUV, ISO, and others in super thick ship steel plate.
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