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Steel plate sa204 grade a,steel plate sa204 grade b in ASTM A240M specification
Steel plate sa204 grade a,steel plate sa204 grade b in ASTM A240M specification are molybdenum alloy steel plates particularly for welded boilers and pressure vessels.Steel plate sa204 grade b has a higher tensile strength than Steel plate sa204 grade a.
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A240 specification Steel plate sa204 grade a chemical requirements:
Carbon: 0.18% Max.
Manganese: 0.90% Max.
Phosphorus: 0.035% Max.
Sulfur: 0.035% Max.
Silicon: 0.15 to 0.40%
Molybdenum:0.45 to 0.60%
Steel plate sa204 grade b supplies from SAME SA 240/SA 240M specification which is equal to steel plate a204 grade b.
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