A517 Gr H steel plate datasheet

1. A517 Gr H steel plate delivery status: quenching + tempering.

2. Executive technical standard of A517 Gr H steel plate: ASTM A517 / A517M.

3. A517 Gr H steel plate chemical composition:

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

4. Mechanical properties of A517 Gr H steel plate:

Delivery status	Thickness	Mechanical properties
Q+T	≤50mm	Rp0.2(MPa)	≥690	Or Rt0.5
		Rm(MPa)	795-930
		A50(%)	≥16
		Z(%)	≥45	Round specimen; Rectangular sample: Z ≥ 35%

5. Surface quality of A517 Gr H steel plate:
1) Cracks, bubbles, scabs, folds, inclusions and other defects harmful to the use are not allowed on the surface of the steel plate. There shall be no delamination on the side of the steel plate. In case of the above surface defects, cleaning is allowed. The cleaning depth shall not exceed half of the thickness tolerance of the steel plate from the actual size of the steel plate, and the minimum thickness of the steel plate shall be guaranteed. The defect cleaning position shall be smooth without edges and corners.

2) Other defects are allowed, and their depth shall not exceed half of the allowable thickness tolerance from the actual size of the steel plate, and the thickness of the steel plate at the defect shall not be less than the allowable minimum thickness of the steel plate.

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