Description
ASTM A588 Corten (Weathering) Steel Plate
ASTM A588 is a high-strength, low-alloy structural steel known for its excellent atmospheric corrosion resistance. Commonly referred to as ASTM A588 Corten or ASTM A588 Weathering Steel, this material forms a protective rust-like patina when exposed to the elements, eliminating the need for painting or coating. It is widely used in structural applications where durability and resistance to harsh weather conditions are required.
This steel is designed for outdoor exposure and is ideal for applications requiring long-term performance with minimal maintenance. Its self-protecting characteristics make it one of the most reliable materials for use in construction, transportation, and industrial applications. Emirerri Steel provides high-quality ASTM A588 steel plates and related products to meet diverse industry needs. Our commitment to quality and customer satisfaction makes us a trusted supplier in the steel industry.
ASTM A588 Specification
It specifies high-strength, low-alloy structural steel in the form of shapes, plates, and bars, designed for use in welded, riveted, or bolted structural applications. It is primarily used in bridges and buildings due to its enhanced atmospheric corrosion resistance.
- Standard: ASTM A588/A588M.
- Product Forms: Plate, Sheet, Tube, Coil, Pipe, Bars, and Structural Shapes.
- Grades: ASTM A588 Grade A, ASTM A588 Grade B, ASTM A588 Grade K.
- Corrosion Resistance: Enhanced due to the development of a protective oxide layer.
- Applications: Bridges, buildings, transmission towers, industrial chimneys, railway vehicles, and marine transportation.
- Weldability: Excellent, with appropriate preheating and post-weld treatments when required.
Grades and Their Applications
ASTM A588 Grade A
- Yield Strength: 50 ksi (345 MPa)
- Tensile Strength: 70 ksi (485 MPa)
- Application: Widely used in bridge construction, building facades, and outdoor sculptures due to its high strength and excellent corrosion resistance.
ASTM A588 Grade B
- Yield Strength: 50 ksi (345 MPa)
- Tensile Strength: 70 ksi (485 MPa)
- Application: Used in transmission towers, poles, and marine transportation structures where superior durability is required.
ASTM A588 Grade K
- Yield Strength: 42 ksi (290 MPa)
- Tensile Strength: 63 ksi (435 MPa)
- Application: Suitable for industrial chimneys, railway vehicles, and heavy structural elements exposed to harsh weather conditions.
ASTM A588 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.19 max |
| Manganese (Mn) | 0.80 - 1.25 |
| Phosphorus (P) | 0.04 max |
| Sulfur (S) | 0.05 max |
| Silicon (Si) | 0.30 - 0.50 |
| Copper (Cu) | 0.25 - 0.40 |
| Chromium (Cr) | 0.40 - 0.65 |
| Nickel (Ni) | 0.40 max |
| Vanadium (V) | 0.02 - 0.10 |
ASTM A588 Steel Properties
| Property | Grade A & B | Grade K |
|---|---|---|
| Yield Strength | 50 ksi (345 MPa) | 42 ksi (290 MPa) |
| Tensile Strength | 70 ksi (485 MPa) | 63 ksi (435 MPa) |
| Elongation | 18% min (in 8") | 19% min (in 8") |
| Hardness | Brinell 135-190 | Brinell 135-190 |
| Impact Strength | High toughness | High toughness |
Steel Plate and Tube
ASTM A588 Steel Plate and ASTM A588 Tube are widely used in construction, transportation, and industrial applications. The steel plates offer high structural integrity, while the tubing is ideal for load-bearing structures requiring resistance to environmental degradation.
- Plate Thickness: 1.6mm – 100mm
- Tube Outer Diameter (OD): 10mm – 500mm
- Wall Thickness (WT): 1mm – 50mm
- Standard Lengths: 6m, 12m, or customized sizes
- Weldability: Good weldability, though preheating may be needed for thicker sections
ASTM A588 Steel Equivalent
ASTM A588 has several equivalent materials that provide similar performance characteristics:
- EN 10025-5 S355J2W (European Standard)
- JIS G3125 SPA-H (Japanese Standard)
- IRSM 41-97 (Indian Standard)
- GB/T 4171 Q355NH (Chinese Standard)
- A242 Type 1 (Another weathering steel variant used in similar applications)
Advantages of Material
- Excellent Corrosion Resistance: Develops a protective oxide layer, reducing maintenance costs.
- High Strength: Ideal for load-bearing structures.
- Cost-Effective: Eliminates the need for protective coatings or painting.
- Sustainability: 100% recyclable and environmentally friendly.
- Low Maintenance: Requires minimal upkeep, making it ideal for long-term installations.
- Versatile Applications: Used in structural projects, industrial equipment, transportation, and decorative elements.
- Aesthetic Appeal: The natural patina gives it an attractive appearance, and it is often used in artistic installations and architectural facades.
Applications
Due to its durability and resistance to atmospheric corrosion, ASTM A588 Material is used in:
- Bridges and highway structures
- Building facades and roofing
- Transmission towers and poles
- Industrial equipment and chimneys
- Railway vehicles and marine applications
- Outdoor sculptures and monuments
- Oil and gas infrastructure
- Agricultural and mining equipment
- Offshore platforms and port structures
- Construction of pedestrian walkways and fences
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