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ASTM A302 Grade D Pressure Vessel Plates

ASTM A302 Grade D Pressure Vessel Plates

A302 Grade D steel material is manganese-molybdenum-nickel alloy steel plates intended particularly for welded boilers and other pressure vessels. A302 Grade D contains chemical composition Ni, with the same thickness, yield and tensile strength of Grade D is the same of Grade B, while elongation rate of grade D is higher. A302 Grade D pressure vessel plates shall be with minimum yield strength at 345Mpa,and tensile strength within 550-690Mpa.
Mechanical Properties of ASTM A302 Grade D Pressure vessel Plates
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

Chemical Requirements of A302 Grade D Pressure Vessel

Element Weight %
Fe 97.2299 — 98.3899
Mn 1.15 — 1.62
Mo 0.45 — 0.64
Si 0.15 — 0.45
C 0.0 — 0.25
S 0.0 — 0.035
P 0.0 — 0.035

ASTM A302 Grade D Alloy Plates Specification:

Thickness: 3-150mm
Width: 1220-4200mm
Length: 5000-18000mm
MOQ: 5 PC
Product type: Steel plate, coil
Delivery time: Promptly ( Stock) or 10-40 days (Production)
Stock: 300tons
MTC: Available
Payment Term: T/T or L/C At sight.
Application: boilers and pressure vessels
 

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