ASTM A514 Grade B High-Strength Quenched & Tempered Steel Plate

Posted:2026-03-05 16:29:13

ASTM A514 Grade B is a high-strength quenched and tempered alloy steel plate engineered for structural applications requiring excellent load-bearing capacity and reduced structural weight. With its enhanced yield strength and reliable toughness, A514 Gr.B is widely used in heavy equipment frames, lifting machinery, construction structures, and industrial components subjected to dynamic or high-stress conditions. The grade offers stable weldability and consistent mechanical performance, making it suitable for demanding fabrication environments.
Chemical Composition

Element	C	Mn	P	S	Si	Cr	Mo	V
Max %	≤ 0.21	≤1.00	≤ 0.035	≤ 0.035	≤ 0.60	0.40–0.65	0.15-0.25	0.01–0.08

Mechanical Properties

Property	Yield Strength	Tensile Strength	Elongation	Hardness
Requirement	≥ 690MPa	760-895MPa	≥ 18%	Typical 235–293 HBW

Applications
Heavy machinery and lifting equipment
Construction and bridge structures
Highload industrial frames
Mining and transportation equipment
Structural components requiring high strengthtoweight efficiency

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