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SA203 Grade A steel Plate

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SA203 is a kind of Ni-alloy steel material used to fabric high temperature pressure vessels. Obviously, SA203 this property is based on it's Ni composition. ASME SA203/SA203M SA203 has five grades or levels-- SA203 Grade A, SA203 Grade B, SA203 Grade D, SA203 Grade E, SA203 Grade F,

Product: Hot rolled nickel alloy steel plates to be used for pressure vessels
SA203 Grade A steel standard :ASME SA203/SA203M

SA203 Grade A pressure vessel steel chemical composition %

Grade Thickness(mm) C max Mn max P max S max Si max Ni
SA203 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

SA203 Grade A pressure vessel steel Mechanical properties
Grade Thickness(mm) Yield strength ReH MPa min Tensile strength Rm MPa Elongation A% min
50mm 200mm
SA203 Grade A t≤50 255 450-585 23 19
50<t


JOIN-WIN STEEL keeps enough quantity SA203 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 A Nickel alloy steel plate for pressure vessels,
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 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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