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Introduction to the Specifications and Parameters of ASTM A514 Steel Plate
ASTM A514 steel plate is a cold-formed steel product typically supplied in a quenched and tempered condition. It is known for its high yield strength, making it ideal for structural applications where both strength and weight reduction are important factors.
Overview of ASTM A514 Steel Plate
ASTM A514 is a high-strength low-alloy (HSLA) steel designed for use in heavy-duty structural components. It is commonly used in construction, machinery, and equipment where durability and performance under stress are essential. The steel is manufactured through cold forming and then heat-treated to achieve optimal mechanical properties.
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 |
760-895 760-895 |
690 690 |
18 18 |
235-293 |
| A514Gr.B | - | 110-130 ksi | 100 ksi, min | 16 in 2 inch | 235-293 |
| A514Gr.C | ≤20 20-65 |
760-895 760-895 |
690 690 |
18 18 |
235-293 |
ASTM A514 steel plates are widely used in engineering structures, especially in applications that require high load-bearing capacity and resistance to deformation. Their excellent mechanical properties make them suitable for use in cranes, excavators, and other heavy equipment. Proper selection of the grade depends on the specific requirements of the application, such as thickness, strength, and environmental conditions.
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