A204 Grade C Pressure Vessel Steel Plate

ASTM A204 grade C is a type of ASTM A204 steel. Cited properties are appropriate for the as-fabricated (no temper or treatment) condition. It has the highest strength and lowest ductility compared to the other variants of ASTM A204 steel.

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Product Description

1.A204 Grade C pressure vessel steel plate is suitable for manufacturing boilers and pressure vessels. The chemical composition includes the following elements:

A204 Grade C Chemical Composition
Grade	The Element Max (%)
Grade	C	Si	Mn	P	S
A204 Grade C	0.23-0.28	0.13-0.45	0.90-0.98	0.035	0.035

2.What is ASTM A204 material?

ASTM A204 specification covers molybdenum-alloy steel plates, which is particularly for welded boilers and high temperature pressure vessels. GNEE is an experienced boiler and pressure steel plate supplier which can offer you ASTM A204 steel plate of all grade and dimension range.

3.What is the difference between A204 Grade B and A204 Grade C?

Property	A204 Grade B	A204 Grade C
Tensile Strength	485-620 MPa	515-655 MPa
Yield Strength	≥ 275 MPa	≥ 310 MPa
Molybdenum (Mo)	0.45-0.60%	0.45-0.60%
Carbon Content	≤ 0.27%	≤ 0.27%
Temperature Range	-30°C to 450°C	-30°C to 450°C
Primary Uses	Medium-pressure vessels, boilers	High-pressure/temperature vessels