| Specifications of Spring Steel Strip: |
| Grade | C67 ,XC68 |
| Standard | EN BS 10132-4 C67S 1.1231 |
| Thickness | 0.10 - 5.0mm |
| Width | 10 – 600mm |
| Form | Steel Coils Strips |
| Hardness | soft, 1/4H, 1/2H, FH etc. |
| CHEMICAL COMPOSITION OF Stainless Spring Steel Strip: |
| Grade | C | Mn | Si | S | Cu | Ni | Cr | Mo | P |
| C67S | 0.65-0.73 | 0.6-0.9 | 0.15-0.35 | 0.025max | - | 0.4max | 0.4max | 0.1max | 0.025max |
| CK68 | 0.6-0.75 | 0.7max | 0.2-0.45 | 0.025max | - | - | - | - | 0.025max |
| 70cr2 | 0.65-0.70 | 0.75-0.90 | 0.2-0.30 | 0.030max | - | - | 0.55-0.70 | - | 0.030max |
| C67s Stainless Spring Steel Strip Mechanical Properties |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min |
| C67s | 670-900 | 450-600 | 2%-10% |
| For quenched and tempered cold rolled strips, there are several possible surface finishes: |
| Why Choose Us: |
| SAKY STEEL’S Quality Assurance (including both Destructive and Non-Destructive) : |
| SAKY STEEL'S Packing: |