A203 Grade A steel Plate

A203 is a kind of Ni-alloy steel material used to fabric high temperature pressure vessels. Obviously, A203 this property is based on it's Ni composition. ASTM A203/A203M A203 has five grades or levels-- A203 Grade A, A203 Grade B, A203 Grade D, A203 Grade E, A203 Grade F,

Product: Hot rolled nickel alloy steel plates to be used for pressure vessels
A203 Grade A steel standard :ASTM A203/A203M

A203 Grade A pressure vessel steel chemical composition %

Grade	Thickness(mm)	C max	Mn max	P max	S max	Si max	Ni
A203 Grade A	t≤50	0.17	0.70	0.025	0.025	0.15-0.40	2.10-2.50
	50<t≤100	0.20	0.80
	100<t	0.23	0.80

A203 Grade A pressure vessel steel Mechanical properties

Grade	Thickness(mm)	Yield strength R_eHMPa min	Tensile strength Rm MPa	Elongation A% min
				50mm	200mm
A203 Grade A	t≤50	255	450-585	23	19
	50<t

JOIN-WIN STEEL keeps enough quantity A203 Grade A steel in stock each month. We can meet our customer’s further process request like : cutting ( any size and any shape ) drilling, welding, milling, machining and steel structure.

Others steel grades steel plate for pressure vessel and boiler equipment in the standard ASTM A203/A203M and ASME SA203/SA203M:
A203 Grade B Nickel alloy steel plate for pressure vessels,
A203 Grade D Nickel alloy steel plate for pressure vessels,
A203 Grade E Nickel alloy steel plate for pressure vessels,
A203 Grade F Nickel alloy steel plate for pressure vessels,
SA203 Grade A Nickel alloy steel plate for pressure vessels,
SA203 Grade B Nickel alloy steel plate for pressure vessels,
SA203 Grade D Nickel alloy steel plate for pressure vessels,
SA203 Grade E Nickel alloy steel plate for pressure vessels,
SA203 Grade F Nickel alloy steel plate for pressure vessels

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A203 Grade A steel Plate

A203 Grade A pressure vessel steel chemical composition %