SA517 Gr H steel plate properties and use

Technical standard for SA517 Gr H steel plate: ASME SA517 / SA517M.

SA517 Gr H steel plate delivery status: quenching + tempering.

Chemical composition and melting analysis of SA517 Gr H steel plate:

C	Si	Mn	P	S	Ni	Cr	Mo	V	Ti	B
0.12-0.21	0.15-0.35	0.95-1.3	≤0.025	≤0.025	0.3-0.7	0.4-0.65	0.2-0.3	0.03-0.08	≤0.1	≥0.0005

Mechanical properties of SA517 Gr H steel plate:

Delivery status	Thickness	Mechanical properties
Q+T	≤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

Application scope of SA517 Gr H steel plate:
SA517 Gr H steel plate is a high-strength alloy steel plate, which is used for boiler and pressure vessel. It has high strength, good plasticity, toughness and welding performance. It is used for mechanical module support of nuclear power plant.