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SA517 Gr.Q steel plate properties and application

Posted:2022-01-06 09:39:19

SA517 Gr.Q steel plate executive technical standard: ASME SA-517/SA-517M.

SA517 Gr.Q steel plate heat treatment process: quenching + tempering.

Melting analysis of chemical composition of SA517 Gr.Q steel plate:

C	Si	Mn	P	S	Ni	Cr	Mo	V
0.14-0.21	0.15-0.35	0.95-1.3	≤0.025	≤0.025	1.2-1.5	1-1.5	0.4-0.6	0.03-0.08

SA517 Gr.Q steel plate mechanical properties:

Delivery status	Thickness	Mechanical properties
QT	≤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.Q steel plate application:
SA517 Gr.Q plate is quenched and tempered high-strength alloy steel plate for pressure vessels, used in nuclear power, boilers and pressure vessels, etc.