ASTM A204 standard specification for Pressure Vessel Plates, Alloy Steel, Molybdenum .

ASTM A204 Grade B is used in fabricators serving industry, especially in the oil, gas and chemical supply markets.

Thickness: 6MM to 150MM,

Width: 1500mm to 4050mm,

Length: 3000mm to 15000mm

Gnee steel is specialized in supplying ASTM A204 steel plate in A204 Grade B. For more information of A204 Grade B steel plates, please check them in following:

A204 Grade B Chemical Composition
Grade	The Element Max (%)
	C	Si	Mn	P	S
A204 Grade B	0.20-0.27	0.13-0.45	0.90-0.98	0.035	0.035

Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%

Mechanical Property of A203 Grade A steel plate	A204 Grade B
Tensile strength, kis [MPa]	70-90 [485-620]
Yield strength, min, kis [MPa]	40 [275
Elongation in 8 in. [200 mm], min, %	17
Elongation in 2 in. [50 mm], min, %	21