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

Posted:2026-02-28 16:34:07

ASTM A514 Grade A is a high-strength quenched and tempered alloy steel plate designed for structural applications requiring superior strength-to-weight performance. With its enhanced yield strength and excellent toughness, A514 Gr.A is widely used in heavy machinery, lifting equipment, construction frames, and high-load structural components. The material provides stable weldability and reliable forming behavior, making it suitable for demanding engineering environments where both strength and durability are essential.
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
High-load frames and support components
Mining, transportation, and industrial fabrication
Structural parts requiring high strength-to-weight efficiency

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