ASTM A514 Grade Q is a high-strength alloy steel plate with excellent strength and mechanical properties.A514 Grade Q is a quenched and tempered alloy steel plate used in structural applications that require high yield strength combined with good formability and toughness.
The "Gr Q" designation indicates that this steel grade has a specified minimum yield strength of 100 ksi (690 MPa) and a minimum tensile strength of 110-130 ksi (760-895 MPa). This high-strength property makes it suitable for applications where heavy loads and harsh conditions are present.
A514 Gr.Q steel has high strength and durability, and is suitable for heavy machinery and equipment, building structures and bridges that need to withstand high loads. The surface hardness of the steel plate is increased after heat treatment and quenching, and it has excellent toughness, impact resistance and welding ability. ASTM A514 Grade Q steel plates can be used to manufacture highly demanding excavators, scrapers, mining equipment, heavy-duty trucks, bridge structures, and various other machinery and construction engineering applications.
A514 Gr.Q Steel Plate Specifcation
Thickness: 6-700mm
Width: 1500-4000mm
Length: 3000-12000mm
Packing: Seaworthy standard, according to customer's requirement
Surface Treatment: Hot-Rolled
A514 Gr.Q Steel Composition
| Grade Q | |
| CARBON | 0.14-0.21% |
| MANGANESE | 0.95-1.30% |
| PHOSPHORUS MAX | 0.030% |
| SULFUR MAX | 0.030% |
| SILICON | 0.15-0.35% |
| NICKEL | 1.20-1.50% |
| CHROMIUM | 1.00-1.50% |
| MOLYBDENUM | 0.40-0.60% |
| VANADIUM | 0.03-0.08% |
A514 Gr.Q Steel Plate Mechnical Properties
| Grade |
Thickness |
Yield Strength |
Tensile |
Elongation in 50mm |
Hardnees |
|
A514 Gr.Q |
less 3/4 inch |
690 Mpa |
760-895 Mpa |
18 |
235 |
| over 3/4 to 2 1/2 | 690 Mpa | 760-895 Mpa | 18 | ~ | |
| over 2 1/2 to 6 inch | 620 Mpa | 690-895 Mpa | 16 | ~ |
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