SA302GrC,SA302 Gr C,SA302 Gr.C,SA302Gr.C,SA302 Grade C STEEL

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SA302GrC,SA302 Gr C,SA302 Gr.C,SA302Gr.C,SA302 Grade C STEEL PLATE
Unitedsteel mill produced super thickness plate for SA302 Grade C steel plates standard specification for pressure vessel plates in alloy steel, manganese molybdenum and manganese-molybdenum-nickel.
SA302 Grade C steel plate shall be normally supplied in the as-rolled condition. Plates may be ordered normalized or stress relieved, or both. If SA302 Grade C above 50mm in thickness shall be normalized .
SA302 Grade C Chemical Composition
Carbon, max % Manganese, max % Silicon, max % Sulfur max %
25mm or under 0.2 Heat Analysis 1.15-1.50 Heat Analysis 0.15-0.40 All thick 0.035
25-50mm 0.23 Product Analysis 1.07-1.62 Product Analysis 0.13-0.45
over 50mm 0.25        
    Molybdenum max % Nickel  max % Phosphorus %
    Heat Analysis 0.45-0.60 Heat Analysis 0.40-0.70 All thick 0.035
    Product Analysis 0.41-0.64 Product Analysis 0.37-0.73
Mechanical Property of SA302 Grade C steel plate SA302 Grade C
Tensile strength, kis [MPa] 80-100 [550-690]
Yield strength, min, kis [MPa] 50 [345]
Elongation in 8 in. [200 mm], min, % 17
Elongation in 2 in. [50 mm], min, % 20
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