ASTM A588 Medium Plate

About this product

ASTM A588 Medium Plate is a high-strength low-alloy structural steel plate renowned for its excellent atmospheric corrosion resistance. Specified under ASTM A588/A588M standards, it contains alloying elements like Cu, P, Cr, and Ni, which form a protective layer to inhibit rust expansion. With tensile strength ≥485MPa (for thickness ≤100mm) and yield strength ≥345MPa, it offers reliable mechanical performance, including ≥21% elongation for good ductility. Ideal for welded bridges, buildings, and heavy machinery (e.g., mining trucks, excavators), its good weldability and machinability make it a versatile choice for structures requiring weight reduction and extended service life in harsh environments.

Chemical Composition

Production Process

International Standard Grades

Common Sizes

Advantages of ASTM A588

Advantage: Details 1. Excellent Corrosion Resistance: - Forms dense rust layer (α-FeO(OH)) to prevent deep corrosion. - 2–8x more resistant to atmospheric corrosion than carbon steel. 2. High Strength & Toughness: - Yield strength ≥345 MPa (50 ksi), reduces structural weight. - Good ductility and impact resistance for seismic designs. 3. Cost-Effective Longevity: - Low maintenance (minimal painting). - Lower lifecycle cost vs. regular steel (despite higher initial cost). 4. Weldability & Fabricability: - Low carbon equivalent; compatible with standard welding/bending processes. 5. Environmentally Friendly: - Reduces VOC emissions from fewer paint coatings. - Can be used bare for rustic aesthetics. 6. Wide Application Range: - Bridges, buildings, transportation, and outdoor structures. - Performs well in cold climates (-29°C/-20°F). 7. Standardized Quality: - Strict ASTM specifications ensure consistent chemistry and mechanical properties.

Packaging

FAQ

Q: What is ASTM A588 Medium Plate used for?

A: It's a high-strength low-alloy steel plate used for welded bridges, buildings, heavy machinery (e.g., mining trucks, excavators), and structures needing corrosion resistance in outdoor environments.

Q: Can ASTM A588 be welded easily?

A: Yes, it has good weldability due to its low carbon content. Standard welding methods (like arc welding) work well, but preheating may be needed for thick plates.

Q: What's the difference between ASTM A588 and regular steel plates?

A: ASTM A588 has better corrosion resistance and higher strength. Regular steel plates rust faster and require more paint or coating for protection.

Q: What's the typical delivery time for ASTM A588 plates?

A: Delivery time varies by supplier and quantity, but standard sizes are often in stock for quick shipment, while custom sizes may take 2–4 weeks.

Q: Can I bend or shape ASTM A588 plates?

A: Yes, it has good formability and can be bent, rolled, or machined into various shapes, though thicker plates may require more powerful equipment.