Automotive Grade High Strength Cold Rolled Steel Coil – Chassis Structural Grade
Product Overview
Automotive-grade high strength low alloy (HSLA) cold rolled steel is a lightweight structural material designed for automotive chassis and body structure components. Micro-alloyed with niobium and titanium, it delivers significantly higher strength than mild steel while maintaining good formability and weldability. This grade enables vehicle weight reduction without compromising structural safety, making it the standard material for modern automotive lightweighting initiatives.
Why Choose CNB Automotive Structural Steel?
Our automotive HSLA steels are sourced from IATF 16949 certified mills with strict control over micro-alloying elements and thermo-mechanical processing. Every batch undergoes full mechanical testing and batch uniformity verification to ensure consistent performance in mass production. We work closely with component manufacturers to optimize material specifications for specific part designs, helping customers achieve weight and cost targets.
Key Specifications
| Item | Specification |
|---|---|
| Product Name | Automotive HSLA Cold Rolled Steel Coil |
| Steel Grade | HC340LA / HC420LA / HC500LA |
| Product Form | Coil / cut-to-length sheet |
| Thickness Range | 0.8mm – 4.0mm |
| Standard Widths | 1000mm, 1250mm, 1500mm |
| Coil Inner Diameter | 508mm / 610mm |
| Minimum Yield Strength | 340MPa / 420MPa / 500MPa |
| Surface Condition | Oiled cold rolled finish |
| Applicable Standards | EN 10268, automotive material standards |
| Quality System | IATF 16949 certified mills |
Core Advantages
- High strength-to-weight ratio: Enables significant vehicle weight reduction and fuel efficiency improvement.
- Excellent weldability: Compatible with all standard automotive welding processes.
- Consistent batch quality: Tight mechanical property tolerances for stable production.
- Good formability: Sufficient ductility for stamping and bending of structural parts.
- Full traceability: Complete material and process documentation for every batch.
Applications
This automotive high strength cold rolled steel is widely used for chassis reinforcements, seat frames, cross members, bumper beams, body structure brackets, suspension components and load-bearing interior structures.
Get a Quotation
We supply a full range of automotive high strength steels from HSLA to advanced AHSS grades. Material test reports and grade selection guidance are available upon request. Contact our automotive steel team for a detailed quotation.
