Automotive Grade Hot Rolled Beam Steel Coil – Chassis Frame Grade
Product Overview
Automotive-grade hot rolled beam steel is a heavy-duty structural material specially designed for vehicle chassis frame systems. Engineered with controlled micro-alloying and thermo-mechanical rolling, it delivers high yield strength, excellent cold formability and superior fatigue resistance. This grade is optimized for longitudinal and cross beam applications, providing reliable load-bearing performance and long service life for both passenger and commercial vehicles.
Why Choose CNB Automotive Beam Steel?
Our automotive beam steels are produced by specialized heavy vehicle steel mills with strict control over steel cleanliness, inclusion morphology and mechanical property uniformity. Every coil undergoes full bend testing and thickness verification to ensure reliable frame forming performance. We offer a full range of strength grades from standard passenger vehicle to heavy-duty commercial vehicle levels, with custom slitting and cut-to-length services.
Key Specifications
| Item | Specification |
|---|---|
| Product Name | Automotive Hot Rolled Beam Steel Coil |
| Steel Grade | QStE420TM / 510L / 610L |
| Product Form | Coil / cut sheet / precision slit strip |
| Thickness Range | 2.0mm – 12.0mm |
| Standard Widths | 1200mm, 1500mm, 1800mm |
| Coil Inner Diameter | 760mm |
| Minimum Yield Strength | 420MPa / 510MPa / 610MPa |
| Bend Performance | 180° transverse bend without cracking |
| Applicable Standards | EN 10149, GB/T 3273 |
| Application | Passenger & commercial vehicle chassis frames |
Core Advantages
- High load-bearing capacity: Designed for heavy chassis and dynamic vehicle loads.
- Excellent cold formability: 180° bend capability for frame beam fabrication.
- Superior fatigue life: Clean steel with controlled inclusions for long fatigue life.
- Custom slit options: Precision slitting to exact frame widths for direct production.
- Full grade range: Covers passenger cars to heavy-duty commercial trucks.
Applications
This automotive beam steel is widely used for chassis longitudinal beams, cross beams, axle brackets, frame reinforcements, heavy truck frames and bus chassis structural components.
Get a Quotation
We supply automotive beam steel in various strength grades and sizes for passenger and commercial vehicle chassis. Custom processing and project-specific material recommendations are available upon request. Contact our commercial vehicle steel team for a detailed quotation.
