Sales SA203 Grade B steel plate,ASME SA203 Grade B,SA203 Grade B Boiler steel plate, SA203 Grade B pressure vessel steel

ASME SA203 Grade B is a kind of Ni-alloy steel material used to fabric high temperature pressure vessels. ASME SA203 Grade B this property is based on it's Ni composition.SA203 Grade B is used in fabricators serving industry, especially in the oil, gas and chemical supply markets. ASME SA203 has five grades or levels-- Grade A/B/D/E/F.

Standard: ASME SA-203/SA-203M
Dimension range : 1.5mm -260mm * 1000mm-4000mm * 1000mm-18000mm

SA203 Grade B Boiler steel plate Chemical Composition

Chemical Composition
Grade	The Element Max (%)
	C	Si	Mn	P	S	Ni	N
SA203Gr.B	0.21-0.25	0.13-0.45	0.78-0.88	0.035	0.035	2.03-2.57

SA203 Grade B steel plate Mechanical Properties

Mechanical Properties
Grade	Thickness	Yield Strength	Tensile Strength	Elongation	Charpy V Notch Impact Test
					Degree	Min Value
SA203Gr.B	mm	Min Mpa	Mpa	Min %	-	J
	5≤t≤50	275	485-620	21%		-
	50≤t≤200	275	485-620	17%
Note: Impact energy for impact test is on longitudinal

Delivery Status : Normalizing + tempering or tempering state

SA203 Grade B pressure vessel steel application :
SA203 Grade B steel is widely used in petroleum, chemical, power station, boiler and other industries, for the manufacture of reactor, heat exchanger, separator, spherical tank, paint tank, Oil gas cylinders, high-pressure water pipe hydropower stations, water turbines and other equipment and components.

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