ASTM A302 GR.C Mn-Mo-Ni Alloy Pressure Vessel steel plate

ASTM A302 GR.C Mn-Mo-Ni Alloy Pressure Vessel steel plate

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A302 Grade C steel plates standard specification for pressure vessel plates in alloy steel, manganese molybdenum and manganese-molybdenum-nickel. A302 Grade C steel plate shall be normally supplied in the as-rolled condition. Plates may be ordered normalized or stress relieved, or both. If A 302 Grade C above 50mm in thickness shall be normalized.

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    • Commodity name: ASTM A302 GR.C Mn-Mo-Ni Alloy Pressure Vessel steel plate

    A302 Grade C steel plates standard specification for pressure vessel plates in alloy steel, manganese molybdenum and manganese-molybdenum-nickel. A302 Grade C steel plate shall be normally supplied in the as-rolled condition. Plates may be ordered normalized or stress relieved, or both. If A 302 Grade C above 50mm in thickness shall be normalized.

    ASTM A302 GR.C Mn-Mo-Ni Alloy Pressure Vessel steel plate Descriptions:

    ASTM A302 Grade C is Manganese-molybdenum-nickel alloy boiler steel plate. The steel of A302 Grade C shall be killed and shall conform to fine grain size requirements. The boiler steel plate A203 Grade C shall be subjected to tension test to determine the tensile strength, yield strength, and elongation. When rolling SA302 Grade C under steel guide NACE MR0175,HIC test,SCC,SSC test shall be done in our mill lab for gurantee SA302 Grade C steel property. Other additional techincal test,such as PWHT,DWTT,High temperature tension test shall be chosed by the end users if they demand.
    Thickness: 6MM to 300MM,
    Width: 1500mm to 4050mm,
    Length: 3000mm to 15000mm
     

    Chemical Composition and Mechanical Properties:

    A302 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 A302 Grade C steel plate A302 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
    Key words:
    • ASTM A302 GR.C Mn-Mo-Ni Alloy Pressure Vessel steel plate

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