ASTM A204 Pressure Vessel Boiler Steel Plate

ASTM A204 specification covers molybdenum alloy steel plates, intended particularly for welded boilers and other pressure vessels.

Grades C max Mn max S
max
P
max
Si Cr Cu Mo
A204 Gr A 0.18 0.90 0.035 0.035 0.15-0.40
A204 Gr B 0.20 0.90 0.035 0.035 0.15-0.40
A204 Gr C 0.23 0.90 0.035 0.035 0.15-0.40

 

Grade Tensile Strength
(Mpa)
Yield Strength
(Mpa)
Elongation

In 100-150 mm (%)

Elongation

In 16 mm (%)

A204 440-590 220-275 19 24

 

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