Full Hard Cold Rolled Steel (CRFH) are unannealed, cold-reduced with high hardness and strength. Supplied directly after cold rolling, they are ideal for applications requiring high rigidity and minimal formability, or as feedstock for further processing like galvanizing.
Technical Specifications
- Standards : ASTM A1008, JIS G 3141 SPCC1, EN 10130
- Grades Available : SPCC1, SAE 1006, SAE 1008
- Thickness Range : 0.012″ – 0.125″
- Width Range : 24″ – 60″
- Coil Weight : Up to 50,000 lbs (customizable)
- Surface Finish : Bright to Semi-Bright (10–30 microinches Ra)
- Edge Condition : Mill Edge / Slit Edge
- Hardness : ≥ 85 HRB (Rockwell B)
Mechanical Properties (Typical Values)
| Parameter | Value |
| Yield Strength | 70–85 ksi |
| Tensile Strength | 75–90 ksi |
| Elongation | < 2% |
| Formability | Very limited (not suitable for deep drawing) |
Applications
Roll forming, stamping, Structural Components, Strapping, Tubing, and as Feedstock for Galvanizing or Annealing.
Optional Treatments
- Light Oiling (Rust Prevention), Custom Slitting & Cut-to-Length, Edge Conditioning, Coil End Trimming