ASTM A514 Grade J High‑Strength Quenched & Tempered Steel Plate

Posted:2026-04-10 16:37:23

ASTM A514 Grade J is a high‑strength quenched and tempered alloy steel plate designed for structural components requiring excellent strength‑to‑weight performance, stable toughness, and reliable behavior under dynamic or high‑load conditions. With its elevated yield strength and uniform mechanical properties, A514 Gr.J is widely used in heavy machinery, lifting equipment, engineered frames, and industrial structures where reduced weight and high structural efficiency are essential. The grade maintains predictable weldability and consistent forming characteristics, supporting precision fabrication and 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 construction machinery
Lifting and hoisting systems
High‑load industrial frames
Bridge and structural components
Engineering parts requiring high strength‑to‑weight efficiency

InquiryPlease feel free to give your inquiry in the form below. we will reply you quickly!

Name:	*
E-mail:	*
Country:	*
Tel:

Company:
Language:
Product:	steel plate steel pipe shipbuilding steel
Message:	Please enter details such as Material, Specification, Quantity, Port, other requirments !