Description
ASTM A283 Carbon Steel Plate
ASTM A283 is a standard specification for low and intermediate tensile strength carbon steel plates used in structural applications. It covers four grades: A, B, C, and D, each with varying mechanical properties and chemical compositions.
Key Features of ASTM A283 Steel Plates
- Grades: ASTM A283 steel plates come in grades A, B, C, and D. The grade determines the mechanical properties and suitability for specific applications.
- Strength: ASTM A283 steel plates are strong, with a yield strength of 65 ksi (380-550 MPa).
- Formability: ASTM A283 steel plates have a % elongation of 23-25%.
- Joining: ASTM A283 steel plates can be joined using shielded metal arc welding (SMAW), gas metal arc welding (GMAW), and oxyacetylene welding. They can also be bolted and riveted.
- Corrosion resistance: ASTM A283 steel plates have good corrosion resistance. Galvanized ASTM 283 will rust more slowly.
- Chemistry: ASTM A283 steel is a “plain” steel without expensive alloying elements.
- Cost: ASTM A283 steel plates are relatively low cost.
Dimensions
Specification | ASTM A283 Grade C & D Plates | ASTM A283 Grade C Mill Plates | ASTM A283 Grade C Temper Leveled Plates |
| Thickness | 0.100 in to 2.00 in | 0.188 in to 50.8 mm | 0.100 in to 0.625 in |
| Width | 48 in to 120 in | 1800 mm to 3050 mm | 1200 mm to 2400 mm |
| Length | 72 in to 1020 in | 1800 mm to 25910 mm | 1800 mm to 25910 mm |
ASTM A283 Properties
Mechanical Properties
| Grade | Yield Strength (MPa) | Tensile Strength (MPa) | Elongation (%) |
| A283 Grade A | 165 min | 310–415 | 27 min |
| A283 Grade B | 205 min | 345–450 | 25 min |
| A283 Grade C | 230 min | 380–515 | 22 min |
| A283 Grade D | 255 min | 415–550 | 20 min |
Chemical Composition (Maximum %)
| Element | Grade A | Grade B | Grade C | Grade D |
| Carbon (C) | 0.14-0.20 | 0.14-0.22 | 0.24 max | 0.27 max |
| Manganese (Mn) | 0.90 max | 0.90 max | 0.90 max | 0.90 max |
| Phosphorus (P) | 0.035 max | 0.035 max | 0.035 max | 0.035 max |
| Sulfur (S) | 0.035 max | 0.035 max | 0.035 max | 0.035 max |
Application
- Structural components in bridges, buildings, and industrial structures
- Storage tanks and pressure vessels
- Automotive and construction equipment
- Railway cars and transportation infrastructure
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