A302 Grade A Pressure Vessel Steel plate
Classification :
ASTM A302 standard specification for pressure vessel plates in alloy steel, manganese molybdenum and manganese-molybdenum-nickel.
Keywords:
A302 Grade A Pressure Vessel Steel plate
A302 Grade A Pressure Vessel Steel plate Descriptions:
ASTM A302 standard specification for pressure vessel plates in alloy steel, manganese molybdenum and manganese-molybdenum-nickel.
A302 Grade A 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 A above 50mm in thickness shall be normalized.
Supplementary Technology: HIC Test | NACE MR0175 | Z15 | Z25 | Z35 |
Thickness: 6MM to 300MM,
Width: 1500mm to 4050mm,
Length: 3000mm to 15000mm
Chemical Composition and Mechanical Properties:
| A302 Grade A Chemical Composition | |||||||
| Carbon, max | % | Manganese, max | % | Silicon, max | % | Sulfur max | % |
| 25mm or under | 0.2 | Heat Analysis | 0.95-1.30 | Heat Analysis | 0.15-0.40 | All thick | 0.035 |
| 25-50mm | 0.23 | Product Analysis | 0.87-1.41 | Product Analysis | 0.13-0.45 | ||
| over 50mm | 0.25 | ||||||
| Molybdenum max | % | Nickel max | % | Phosphorus | % | ||
| Heat Analysis | 0.45-0.60 | Heat Analysis | … | All thick | 0.035 | ||
| Product Analysis | 0.41-0.64 | Product Analysis | … | ||||
| Mechanical Property of A302 Grade A steel plate | A302 Grade A |
| Tensile strength, kis [MPa] | 75-95 [515-655] |
| Yield strength, min, kis [MPa] | 45 [310] |
| Elongation in 8 in. [200 mm], min, % | 15 |
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