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SA553 Type III steel Plate

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Product: Hot rolled 7% Nickel alloy steel plates for use in the water quenched and tempered condition, intended for the fabrication of welded pressure vessels.
SA553 Type III steel product available : SA553 Type III Steel plates, SA553 Type III steel sheets,
SA553 Type III steel standard :ASME SA553/SA553M
ASME SA553/SA553M specification includes the grades : SA553 Type I, SA553 Type II, SA553 Type III,
SA553 Type III delivery condition: Q&T(quenched and tempered)

SA553 Type III pressure vessel steel chemical composition %

Grade C max Mn max P max S max Si Ni Mo Co max
SA553 Type III 0.13 0.90 0.015 0.015 0.15-0.40 6.50-7.50 0.10-0.30 0.03

SA553 Type III pressure vessel steel Mechanical properties
Class Tensile strength Rm MPa Yield strength ReH MPa min Elongation A% min in 50mm
SA553 Type III 690-820 585 20


JOIN-WIN STEEL keeps enough quantity SA553 Type III 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.

Other grades of steel plates for pressure vessel and boiler equipment in standard:
A553 Type I pressure vessel steel plates
A553 Type II pressure vessel steel plates
A553 Type III pressure vessel steel plates
SA553 Type I pressure vessel steel plates
SA553 Type II pressure vessel steel plates

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