Products Description
A573Gr58 steel sheet of improved toughness owned the minimum yield strength at 220 MPa,and the tensile strength of A573Gr58 steel plate shall be within 400-490Mpa.
A573/A573M specification covers structural quality carbon manganese silicon steel plates in three tensile strength range for A573 Grade 58,A573 Grade 65 and A573 Grade 70.A537Gr58 is intended primarily for service at atmospheric temperatures where improved notch toughness is important.
The steel of A573Gr58 shall be made by one or more of the following processes as open hearth,basic oxygen or electric furnace.
Products Specification
Production Size: Thickness: 4mm- 400mm; Width: 1000mm- 4000mm; Length: 4000mm- 12000mm.
Production ability:10000 Tons Per Month.
Production Way: Hot Rolled,
Material Properties
The following material properties are ASTM specifications and will be confirmed on the Mill Test Report.
| Grade | Yield Point (ksi) | Tensile Strength (ksi) | Min. 8" Elongation % |
| 58 | 32 | 58-71 | 21 |
| 65 | 35 | 65-77 | 20 |
| 70 | 42 | 70-90 | 18 |
Chemical Composition
| A573 GR 58 | |
| Carbon max | 0.23% |
| Manganese | 0.60-0.90% |
| Phosphorus max | 0.030% |
| Sulfur max | 0.030% |
| Silicon | 0.10-0.35% |
Applications of ASTM A573 Grade 58 Steel
Petrochemical Equipment
Used in the fabrication of reactors, heat exchangers, spherical tanks, and other equipment requiring resistance to high pressure, high temperature, and corrosive media. The strength and toughness of ASTM A573 Grade 58 meet stringent operational demands.
Energy Sector
Nuclear Power Plant Pressure Vessels: Low impurity content (P ≤ 0.035%, S ≤ 0.040%) and fine-grain structure ensure radiation and fatigue resistance.
Boiler Drums: Normalizing treatment optimizes microstructure and enhances high-temperature stability.
High-Pressure Pipelines in Hydropower Plants: High tensile strength (400-490 MPa) accommodates water hammer impacts and high-pressure conditions.
Mechanical Manufacturing
Ideal for structural components requiring high strength and excellent toughness, such as crane girders and bridge structures. Its notch toughness is particularly crucial for welded bridge structures, reducing the risk of fatigue crack propagation.
Pressure Vessel Industry
Complies with international standards like ASME for toughness requirements in pressure vessel steels, widely used in the fabrication of storage tanks, separators, and other equipment.
Other Fields
Architectural Decoration: Utilized in structural supports, balancing strength and aesthetic appeal.
Rail Transit: Used in manufacturing car bodies or rail components, meeting dynamic loading and safety requirements.
Automotive Steel: Replaces traditional high-strength steels in certain applications to reduce vehicle body weight.
