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Introduction to the Specifications and Parameters of ASTM A514 Steel Plate
ASTM A514 steel plate is a high-strength, cold-formed steel commonly supplied in a quenched and tempered condition. It is widely used in structural applications due to its excellent strength-to-weight ratio, making it ideal for heavy-duty construction and engineering projects.
Overview of ASTM A514 Steel Plate
ASTM A514 steel plate is manufactured through cold forming and typically delivered in a quenched and tempered state. This type of steel is known for its high yield strength, which allows it to support heavy loads while remaining lightweight. Its properties make it suitable for use in bridges, cranes, and other structures where strength and durability are essential.
Chemical Composition (%)
| Grade | C | Mn | P | S | Si | Ni | Cr | Mo | V | Ti | Cu | Co | B | Zr |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| A514Gr.A | 0.15-0.21 | 0.80-1.10 | 0.035 | 0.035 | 0.40-0.80 | - | 0.5-0.8 | 0.18-0.28 | - | - | - | - | 0.0025 | 0.05-0.15 |
| A514Gr.B | 0.12-0.21 | 0.7-1.00 | 0.035 | 0.008 | 0.20-0.35 | - | 0.4-0.65 | 0.15-0.25 | 0.03-0.08 | 0.01-0.04 | - | - | 0.005 | - |
| A514Gr.C | 0.10-0.20 | 1.1-1.50 | 0.035 | 0.035 | 0.15-0.30 | - | - | 0.15-0.25 | - | - | - | - | 0.001-0.005 | - |
Mechanical Properties
| Grade | Thickness (mm) | Tensile Strength (ksi [MPa]) | Yield Strength Min (ksi [MPa]) | Elongation in 50 mm, min (%) | Hardness HBW |
|---|---|---|---|---|---|
| A514Gr.A | ≤20 / 20-65 | 760-895 | 690 | 18 | 235-293 |
| A514Gr.B | - | 110-130 ksi | 100 ksi, min | 16 in 2 inch | 235-293 |
| A514Gr.C | ≤20 / 20-65 | 760-895 | 690 | 18 | 235-293 |
ASTM A514 steel plates are available in different grades, each with specific mechanical and chemical properties that suit various applications. The material is known for its toughness, resistance to deformation, and ability to maintain performance under extreme conditions. Proper selection of grade and thickness ensures optimal performance in demanding environments such as heavy machinery, transportation systems, and industrial equipment.
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