Gnee Steel supplies A588 Grade A steel, including chemical composition, spot prices, specifications, and applications. As a trusted steel manufacturer and supplier, you can contact us for detailed information on A588 Grade A chemical composition, market price, and typical applications.

A588 Grade A steel plate is a high-strength, low-alloy structural steel with a minimum yield strength of 345 MPa for thicknesses up to 100 mm, offering excellent mechanical performance and atmospheric corrosion resistance.
Chemical Composition of A588 Grade A Steel
| Element | C % | Mn % | P % | S % | Si % | Cr % | V % | Cu % | Fe (Balance) |
|---|---|---|---|---|---|---|---|---|---|
| ASTM A588 Gr A | 0.10–0.19 | 0.90–1.25 | 0.04 | 0.05 | 0.15–0.30 | 0.40–0.65 | 0.02–0.10 | 0.25–0.40 | Remaining |
Physical Properties of Alloy Steel
| Property | Typical Value |
|---|---|
| Elastic Modulus | 190–210 GPa |
| Density | 7.85 g/cm³ |
| Tensile Strength | 758–1882 MPa (varies with heat treatment) |
Applications of A588 Grade A Steel
A588 Grade A steel exhibits superior atmospheric corrosion resistance compared with conventional carbon structural steels, even without copper addition. Properly exposed, it can be used unpainted for outdoor and industrial environments. Common applications include:
| Application Area | Examples |
|---|---|
| Structural Construction | Welded, bolted, or riveted steel frames, bridges, tanks |
| Industrial Equipment | Containers, exhaust systems, machinery frames |
| Vehicle and Transportation | Truck and equipment structural components |
Gnee A588 Grade A steel combines high strength, low maintenance, and excellent corrosion resistance. It is ideal for outdoor, structural, and heavy-duty applications, supporting both fabrication and direct-use scenarios.








