ASTM A302GR.C|A302 Grade C pressure vessel steel plate supplier
Gangsteel supply ASTM A302Gr.C steel plate and A302 Grade C pressure vessel steel plate. ASTM A302GRC is manganese-molybdenum-nickel alloy steel plate.
Keywords: ASTM A302GR.C, A302 Grade C, A302 Gr.C steel plate, ASTM A302GrC steel plate
Adopt standard: A 302/ A 302M-03
A302 Grade C steel plate
A302 Grade C steel plates shall be killed and conform to the fine grain size requirement of specification A 20/A 20M.
A302 Grade C is Mn- Mo-Ni alloy steel grade, the same with A302 Grade D. A302
Grade C min yield strength is 345Mpa. When normalized A302 Grade C in thickness
100mm or over in
thickness, the cooling rate maybe accelerated by air blasting or liquid
quenching to obtain mechanical properties comparable to those developed by
normalizing plates in the lesser thickness.
A302 Grade C steel Chemical Requirements
| Carbon, max | % | Manganese, max | % | Silicon, max | % | Sulfur max | % |
|
25mm or under 25mm – 50mm over 50mm |
0.20 0.23 0.25 | Heat Analysis Product Analysis | 1.15-1.50 1.07-1.62 | Heat Analysis Product Analysis | 0.15-0.40 0.13-0.45 | All thick | 0.035 |
| Molybdenum max | % | Nickel max | % | Phosphorus | % | ||
| Heat Analysis Product Analysis | 0.45-0.60 0.41-0.64 | Heat Analysis Product Analysis | 0.40-0.70 0.37-073 | All thick | 0.035 |
A302 Grade C steel Tensile Requirements
| Mechanical Property of A302 Grade C steel plate | A302 Grade C |
|
Tensile
strength, kis [MPa]
Yield
strength, min, kis [MPa] Elongation in 8 in. [200 mm], min, % Elongation in 2 in. [50 mm], min, % |
80-100 [550-690] 50 [345] 17 20 |
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A302 grade C,A302Gr.C,A302 Gr C,A302-grade-C,A302 grade C steel plate.