ASTM A204 Grade A alloy steel grade is used almost exclusively in Refinery & Petrochemical applications. The “lean alloy” characteristics of this alloy lends itself to use in pressure vessels, fittings, and custom fabricated pipe and other environments within moderate temperature ranges.
ASTM A204 specification covers molybdenum Alloy steel plates, intended particularly for welded boilers and other pressure vessels. Plates under this specification are available in three grades having different strength levels: Grade A; Grade B; and Grade C. The steel shall be killed. A204 Gr.A steel plate shall conform to the chemical requirements specified. Tension tests on plates shall conform to the requirements specified.
A204 Grade A Plates (up to 25mm) Chemical Composition:
Carbon, max.: 0.18; Manganese, max: 0.90; Phosphorus, max: 0.035;Sulfur, max.: 0.040; Silicon: 0.15-0.40; Molybdenum: 0.45-0.60.
A204 Grade A Plates Mechanical Properties
Tensile strength: 65-85ksi
Yield strength, min.A: 37ksi
Elongation in 8 in. [200 mm], min, %: 19
Elongation in 2 in. [50 mm], min, % : 23
BEBON can offer A204 Grade A alloy steel plates with various sizes and thickness up to 220mm. Welcome to send your RFQ to us. Our Sales will reply you as soon as possibile.
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