ASTM A283 Grade B is a low carbon steel with the following properties:
| Property | Value |
|---|---|
| Yield Strength (min) | 185 MPa (27,000 psi) |
| Tensile Strength | 345-450 MPa (50,000-65,000 psi) |
| Elongation in 8″ (min) | 25% |
| Elongation in 2″ (min) | 28% |
Chemical Composition:
| Element | Percentage |
|---|---|
| Carbon (max) | 0.17% |
| Manganese (max) | 0.90% |
| Phosphorus (max) | 0.035% |
| Sulfur (max) | 0.04% |
| Silicon (max) | 0.40% |
ASTM A283 Grade B steel is commonly used in:
ASTM A283 Grade B is typically produced through open-hearth, basic-oxygen, or electric furnace processes. Available dimensions include:
| Thickness | Width | Length |
|---|---|---|
| 6mm – 150mm | 1,500mm – 4,100mm | 6,000mm – 20,000mm |
ASTM A283 Grade B has good weldability and can be welded using common methods such as shielded metal arc welding (SMAW) and gas metal arc welding (GMAW). It is also suitable for bolting and riveting.
| Grade | Yield Strength (min MPa) | Tensile Strength (MPa) |
|---|---|---|
| A | 165 | 310-415 |
| B | 185 | 345-450 |
| C | 205 | 380-515 |
| D | 230 | 415-550 |
ASTM A283 Grade B offers a balance of strength and formability, making it suitable for various structural applications. Its low carbon content contributes to good ductility and ease of fabrication, while still maintaining adequate strength for many general-purpose uses.
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