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A841 Grade A steel Plate

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Product: Hot rolled steel plates produced by the thermo-mechanical control process(TMCP). The plates are intended primarily for use in welded pressure vessels.
A841 Grade A steel product available : A841 Grade A Steel plates, A841 Grade A steel sheets,
A841 Grade A steel standard :ASTM A841/A841M
ASTM A841/A841M specification includes the grades :A841 Grade A, A841 Grade B, A841 Grade C, A841 Grade D, A841 Grade E, A841 Grade F, A841 Grade G
A841 Grade A steel have the class: A841 Grade A class 1, A841 Grade A steel class 2
A841 Grade A delivery condition: TMCP
A841 Grade A applicable thickness: 100mm max
A841 Grade A pressure vessel steel chemical composition %
A841 Grade A steel impact test temperature: -40℃

A841 Grade A pressure vessel steel chemical composition %

Grade Thickness C max Mn P max S max Si Cu max Ni max Cr max Mo max Co max V max Al min
A841 Grade A t≤40 0.20 0.70-1.35 0.030 0.030 0.15-0.50 0.35 0.25 0.25 0.08 0.03 0.06 0.02
40<t 1.00-1.60

A841 Grade A pressure vessel steel Mechanical properties
Grade Thickness Yield strength ReH MPa min Tensile strength Rm MPa Elongation A% min
In 200mm In 50mm
A841 Grade A class 1 t≤65 345 485-620 22 18
65<t 310 450-585
A841 Grade A class 2 t≤65 415 550-690 22 -
65<t 380 515-655


JOIN-WIN STEEL keeps enough quantity A841 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 A841/A841M and ASME SA841/SA841M:
A841 Grade B steel plate for pressure vessels,
A841 Grade C steel plate for pressure vessels,
A841 Grade D steel plate for pressure vessels,
A841 Grade E steel plate for pressure vessels,
A841 Grade F steel plate for pressure vessels,
A841 Grade G steel plate for pressure vessels,
SA841 Grade A steel plate for pressure vessels,
SA841 Grade B steel plate for pressure vessels,
SA841 Grade C steel plate for pressure vessels,
SA841 Grade D steel plate for pressure vessels,
SA841 Grade E steel plate for pressure vessels,
SA841 Grade F steel plate for pressure vessels,
SA841 Grade G steel plate for pressure vessels

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