ASTM A514 steel plate is a cold-formed structural steel, typically supplied in a quenched and tempered condition. It is known for its high yield strength, making it ideal for applications where strength and weight reduction are critical factors.
Overview of ASTM A514 Stainless Steel Plate
The ASTM A514 steel plate is a type of high-strength low-alloy (HSLA) steel that is commonly used in construction and heavy machinery. It is manufactured through cold forming and then heat-treated to achieve optimal mechanical properties. This steel is especially valued for its ability to provide strong structural support while keeping the overall weight of the structure lower than traditional materials.
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 |
| A514 Gr.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 | Â | Â | 0.005 | - |
| A514 Gr.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 by % | 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 heavy-duty structures such as cranes, excavators, and other construction equipment due to their exceptional strength-to-weight ratio. The different grades—A, B, and C—are tailored for specific application requirements, offering varying levels of strength, toughness, and weldability. Understanding the chemical composition and mechanical properties of these steels is essential for engineers and designers when selecting the most suitable material for their projects.
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