ASTM A514 Grade T High‑Strength Quenched & Tempered Alloy Steel Plate

Posted:2026-06-01 09:35:15

ASTM A514 Grade T is a high‑strength quenched and tempered alloy steel plate designed for light‑weight structural components, heavy machinery, and high‑load welded structures. With a minimum yield strength of 690 MPa, Grade T provides excellent toughness, stable weldability, and superior strength‑to‑weight performance for demanding engineering applications.
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 frames
Lifting equipment and cranes
Structural beams and welded assemblies
Construction and bridge components
High‑strength engineering parts requiring reduced weight

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