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American standard SA517 Gr.A quenched and tempered steel plate

SA517 Gr.A steel plate is American standard vessel plate, quenched and tempered high-strength alloy steel for pressure vessels.

SA517 Gr.A steel plate executive standard: ASME SA517/SA517M-2017
SA517 Gr.A steel plate heat treatment delivery status: quenching + tempering (Q+T).

Analysis of chemical composition of SA517 Gr.A quenched and tempered steel plate (Finished product):

C Si Mn P S Cr Mo Zr B
0.15-0.21 0.4-0.8 0.8-1.1 ≤0.025 ≤0.025 0.5-0.8 0.18-0.28 0.05-0.15 ≤0.0025

Mechanical properties of SA517 Gr.A quenched and tempered steel plate:

Thickness Mechanical properties
≤65mm Rp0.2(MPa) ≥690
Rm(MPa) 795-930
A50(%) ≥16
Z(%) ≥35
>65-150mm Rp0.2(MPa) ≥620
Rm(MPa) 725-930
A50(%) ≥14
Z(%) ≥45

SA517 Gr.A steel plate has high strength, good plasticity, toughness and welding performance, and is used in nuclear power plant mechanical module supports, boilers, pressure vessels, etc.

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