Description
A572 Gr 50
ASTM A572 Gr 50 is a High Strength Low Alloy (HSLA) steel that offers improved strength-to-weight ratio, excellent weldability, and good toughness. It is commonly used in structural applications where strength and performance are critical.
Key Features
- High strength-to-weight ratio
- Excellent weldability
- Good formability
- Improved atmospheric corrosion resistance
- Used in construction and infrastructure applications
A572 Gr 50 Available Dimensions
Mill Plate:
- Thickness: 4.78 mm – 152 mm
- Width: up to 3,350 mm
- Length: up to 25,910 mm
Temper Leveled Plate:
- Thickness: 2.54 mm – 15.9 mm
- Width: up to 2,400 mm
- Length: up to 18,300 mm
Coils (for conversion):
- Thickness: 4.78 mm – 15.9 mm
- Width: up to 2,400 mm
ASTM A572 Gr 50 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.23 |
| Manganese (Mn) | 1.35 max |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.040 |
| Silicon (Si) | 0.15–0.40 |
| Vanadium (V), Columbium (Nb) | Trace elements for strengthening |
ASTM A572 Gr 50 Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength | ≥ 50 ksi (345 MPa) |
| Tensile Strength | 65–95 ksi (450–655 MPa) |
| Elongation in 8″ | ≥ 18% |
| Elongation in 2″ | ≥ 21% |
Applications
- Bridges
- Buildings
- Construction equipment
- Transmission towers
- Structural steel fabrication
Common Industries
- Infrastructure
- Heavy construction
- Transportation
- Energy
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