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Introduction of A514 Gr.H steel plate

Posted:2022-02-09 16:28:55

A514 Gr.H plate is a quenched and tempered high-strength weldable steel plate under the ASTM standard. A514 Gr.H steel plate is used in places where high tensile strength and high yield are required, such as engineering automobile lifting gears, racks for offshore platforms, etc. The hardness of A514 Gr.H steel plate is between 235-293, the yield is greater than 690MPa, and the tensile strength is between 760MPa-895MPa.

Mechanical properties of A514 Gr.H steel plate:

Delivery Status	Thickness	Mechanical properties
Quenched and tempered	≤20mm	Rp0.2(MPa)	≥690
		Rm(MPa)	760-895
		A50(%)	≥18
		Z(%)	≥40
		HBW	235-293
	>20-50mm	Rp0.2(MPa)	≥690
		Rm(MPa)	760-895
		A50(%)	≥18
		Z(%)	≥50
	>20-50mm	Rp0.2(MPa)	≥690
		Rm(MPa)	760-895
		A50(%)	≥18
		Z(%)	≥40

Chemical composition and melting analysis of A514 Gr.H steel plate

C	Si	Mn	P	S	Ni	Cr	Mo	V	B
0.12-0.21	0.2-0.35	0.95-1.3	≤0.03	≤0.03	0.3-0.7	0.4-0.65	0.2-0.3	0.03-0.08	0.0005-0.005

A514 steel plate grades: A514 GrA, A514 GrB, A514 GrE, A514 GrF, A514 GrH, A514 GrP, A514 GrQ, A514 Gr.S steel plates. The thickness, chemical composition and properties of different grades of A514 steel plates are different.