Description
ASTM A830
ASTM A830 is a standard specification developed by ASTM International for structural quality carbon steel plates. It includes a range of carbon steel grades primarily used in construction, industrial applications, and fabrication where high strength and durability are required.
Key Features of ASTM A830:
- Material Type: Carbon steel plate
- Thickness: Usually from 1/4 inch (6.35 mm) and up
- Width & Length: Typically customized as per application requirements
- Applications: Structural applications, base plates, fabrications, heavy equipment, and more
ASTM A830 Gr 1045 Chemical Composition
| Element | Minimum (%) | Maximum (%) |
|---|---|---|
| Carbon (C) | 0.43 | 0.50 |
| Manganese (Mn) | 0.60 | 0.90 |
| Phosphorus (P) | — | 0.040 |
| Sulfur (S) | — | 0.050 |
ASTM A830 Grade 1045 Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 570 – 700 MPa |
| Yield Strength | ≥ 310 MPa |
| Elongation (in 50 mm) | ~16% |
| Hardness (Brinell) | 170 – 210 HB (as-rolled) |
| Modulus of Elasticity | ~200 GPa |
| Impact Resistance | Moderate |
Applications
- Base plates for heavy equipment
- Welded and fabricated steel structures
- Construction and bridge components
- Industrial machinery parts
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