ASTM A302GR.B|A302 Grade B pressure vessel steel plate supplier
Gangsteel supply ASTM A302Gr.B steel plate and A302 Grade B pressure vessel steel plate. ASTM A302GRB is manganese-molybdenum-nickel alloy steel plate.
Keywords: ASTM A302GR.B, A302 Grade B, A302 Gr.B steel plate, ASTM A302GrB steel plate
Adopt standard: A 302/ A 302M-03
Sell steel grade: A302 Grade A ,A302 Grade B,A302 Grade C, A302 Grade D steel grade
A302 Grade B steel plate
A302 Grade B steel plates standard specification for pressure vessel plates in alloy steel, manganese molybdenum and manganese-molybdenum-nickel.
A302 Grade B steel grade is min yield strength in 310Mpa. Gangsteel also supply the Ultrasonic test in thickness in A435/A435M, A577/577M and A578/A578M to promise the perfect quality in long cooperation.
A302 Grade B steel plate shall be normally supplied in the as-rolled condition. Plates may be ordered normalized or stress relieved, or both. If A302 Grade B steel plate is above 50mm in thickness shall be normalized.
A302 Grade B 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 | ….. …… | All thick | 0.035 |
A302 Grade B steel Tensile Requirements
| Mechanical Property of A302 Grade B steel plate | A302 Grade B |
|
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] 15 18 |
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