Structural Steel - HSLA Overview
HSLA - High-Strength Low-Alloy Structural Steels
High-strength low-alloy steels using small alloy additions (Ni, Cr, Mo, Cu) to increase strength and corrosion resistance without sacrificing weldability. Strength range: 350-700 MPa.
Material Type
HSLA - High-Strength Low-Alloy Structural Steels
Mechanical Properties
Yield Strength: 350-700 MPa
Tensile Strength: 450-900 MPa
Key Features
- Higher strength than carbon steels - 30-50% increase
- Lightweight alternative - Reduced material thickness
- Good impact toughness
- Improved corrosion resistance
- Excellent weldability
Applications
- Bridges and buildings
- Pressure vessels
- Offshore structures
- Heavy equipment
- Automotive frames
- Railway cars