ASTM A203GrA,A203Gr.A,A203 Gr A,A203 Grade A Steel Plates

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ASTM A203GrA Pressure vessel thick Steel Plate
Unitedsteel Steel Mill produced super thickness steel plate At ASTM A203 Grade A,A203 Grade B,A203 Grade D,A203 Grade E and A203 Grade F steel.
A203 Grade A steel grade is a nickel alloy steel plate in welded pressure vessels. For this A203 Grade A is max thickness in 150mm and the element of nickel is 2.25% to be used in manufacturing pressure vessel and boilers.
A203 Grade A is used in fabricators serving industry, especially in the oil, gas and chemical supply markets.
A203 Grade A steel Chemical Requirements In product analysis under 50mm thickness
Element A203 Grade A  Max %
C 0.17
Si 0.13-0.45
Mn 0.78-0.88
P 0.035
S 0.035
Ni 2.03-2.57
A203 Grade A steel Tensile Requirements
Mechanical Property of A203 Grade A steel plate A203 Grade A
Tensile strength, kis [MPa]
50mm or under
Over 50mm
Yield strength, min, kis [MPa]
50mm or under
Over 50mm
Elongation in 8 in. [200 mm], min, %
Elongation in 2 in. [50 mm], min, %
65-85 [450-585]
65-85 [450-585]
37 [255]
37 [255]
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