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A514

High-strength, low-alloy (HSLA) quenched and tempered alloy steel plates of structural quality in thicknesses up to 6 in. [150mm] known for its exceptional strength, durability, and weldability, making it suitable for demanding environments such as construction of bridges, and other complex structures.
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ASTM A514 is a high-strength, low-alloy structural steel plate available in several grades, including A514 Grade B, E, F, H, P, and Q. It is heat-treated to provide high yield and tensile strength while maintaining good toughness and weldability. A514 steel is commonly used in heavy-duty structures, cranes, bridges, construction equipment, pressure applications, and other demanding applications where reduced plate thickness and high structural strength are required.

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Typical specification data

Technical reference

Final chemical, mechanical properties, dimensions and tolerances are confirmed against the governing specification and purchase order.

CHEMICAL PROPERTIES
A514 Grade B Grade H Grade F Grade Q
Thickness, max (Inches) 10 8 8 6
Carbon, max % 0.12/0.21 0.12/0.21 0.10/0.20 0.14/0.21
Manganese, max % 0.70/1.00 0.95/1.30 0.60/1.00 0.95/1.30
Phosphorus, max % 0.03 0.03 0.03 0.03
Sulfur, max % 0.03 0.03 0.03 0.03
Silicon, max % 0.20/0.35 0.20/0.35 0.15/0.35 0.15/0.35
Chromium, max % 0.40/0.65 0.40/0.65 0.40/0.65 1.00/1.50
Nickel, max% - 0.30/0.70 0.70/1.00 1.20/1.50
Molybdenum, max % 0.15/0.25 0.20/0.30 0.40/0.60 0.40/0.60
Copper, max % - - 0.15/0.50 -
Vanadium, max % 0.03/0.08 0.03/0.08 0.03/0.08 0.03/0.08
Titanium, max % 0.01/0.10 - - -
Boron, max % 0.0005/0.005 0.0005/0.005 0.0005/0.005 -
PHYSICAL PROPERTIES
A514 Grade B Grade H Grade F Grade Q
Tensile Strength (ksi) 110/130 110/130 110/130 100/130
Yield Strength (min. ksi) 100 100 100 90
Brinell Hardness 235 - 293 HBW 235 - 293 HBW 235 - 293 HBW 235 - 293 HBW
Heat Treatment Required Q&T Q&T Q&T Q&T

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