A302 GR.D Boiler and Pressure Vessel Steel plate
Classification :
Keywords:
A302 GR.D Boiler and Pressure Vessel Steel plate
A302 GR.D Boiler and Pressure Vessel Steel plate Descriptions:
Boiler steel plate A302 Grade D is a kind of alloy steel with Manganese,Molybdenum and nickel.A302 Grade D contains a higher Nickel element in rolling than Boiler steel plate A302 Grade C.Pressure vessel steel plate owned the same value range in mechanical property as A302 Grade B and A302 Grade C,yield strength above 345 Mpa,and tensile strength within 550-690 Mpa.Gnee steel would like to offer MTC under format EN 10204 3.1 or EN 10204 3.2 with third party inspections.
Thickness: 6MM to 300MM,
Width: 1500mm to 4050mm,
Length: 3000mm to 15000mm
Chemical Composition and Mechanical Properties:
| A302 Grade D 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 | 0.70-1.0 | All thick | 0.035 | ||
| Product Analysis | 0.41-0.64 | Product Analysis | 0.67-1.03 | ||||
| Mechanical Property of A302 Grade D steel plate | A302 Grade D |
| 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 |
Technical Requirements & Additional Services:
♦ High tension test
♦ Low temperature impacting test
♦ Normalised for thick plates over 40mm
♦ Simulated post-welded heat treatment (PWHT)
♦ Rolling under standard NACE MR-0175 (HIC+SSCC)
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting,Cutting and welding as per end user’s demands
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