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

Posted:2026-03-13 11:48:01

ASTM A514 Grade C is a high-strength quenched and tempered alloy steel plate developed for structural applications requiring superior strength, reliable toughness, and reduced component weight. With its elevated yield strength and stable mechanical behavior, A514 Gr.C is widely used in heavy construction machinery, lifting equipment, industrial frames, and structural parts subjected to high stress or dynamic loading. The grade offers dependable weldability and consistent performance during fabrication, making it suitable for demanding engineering 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 construction machinery
Lifting and hoisting equipment
High-load industrial frames
Bridge and structural components
Engineering parts requiring high strength-to-weight efficiency

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