🟪 Product Overview
ASTM A572 Steel Plate is a high‑strength low‑alloy (HSLA) structural steel widely used in North America and global engineering projects.
A572 offers:
- High yield strength
- Excellent weldability
- Good toughness
- Superior strength‑to‑weight ratio
- Reliable performance in structural applications
A572 Gr 50 is the most commonly used grade and is considered the industry standard for high‑strength structural steel.
🟪 A572 Grade Variants
A572 Grade 42
- Yield Strength: ≥290 MPa
- General structural applications
A572 Grade 50(Most Popular)
- Yield Strength: ≥345 MPa
- Widely used in construction and engineering
- Best balance of strength and weldability
A572 Grade 60
- Yield Strength: ≥415 MPa
- Higher strength for demanding structures
A572 Grade 65
- Yield Strength: ≥450 MPa
- Used in heavy‑duty structural components
🟪 Mechanical Properties (Typical)
| Grade | Yield Strength | Tensile Strength | Elongation |
|---|
| A572 Gr 42 | ≥290 MPa | 415–550 MPa | ≥20% |
| A572 Gr 50 | ≥345 MPa | 450–620 MPa | ≥18% |
| A572 Gr 60 | ≥415 MPa | 485–650 MPa | ≥17% |
| A572 Gr 65 | ≥450 MPa | 515–690 MPa | ≥17% |
🟪 Chemical Composition (Typical)
| Element | A572 Gr 50 (%) |
|---|
| C | ≤0.23 |
| Mn | ≤1.35 |
| Si | ≤0.40 |
| P | ≤0.040 |
| S | ≤0.050 |
| V / Nb | Micro‑alloyed |
🟪 Product Specifications
Thickness
Width
Length
Delivery Conditions
- Hot Rolled
- Normalized
- Thermo‑Mechanically Rolled
🟪 Applications
Construction & Infrastructure
- Steel structures
- Building frames
- Columns & beams
Bridges & Engineering
- Bridge beams
- Girders
- Structural members
Machinery & Heavy Equipment
- Frames
- Components
- Load‑bearing parts
General Fabrication
- Platforms
- Support structures
- Welded assemblies
🟪 Why Choose WelSteels
- Full range of A572 grades (42 / 50 / 60 / 65)
- Reliable mechanical properties
- Precision cutting and processing
- SGS / BV inspection
- Export‑grade seaworthy packaging