Product Introduction：
Size: 6mm~360mm
Material: CK45、S45C、ST52、SAE1045、SAE10V45. 42CrMo4、20MnV6
OD Tolerance: ISO f7
Chrome Thickness: 20μm(min)
Roughness: Ra0.2μm(max)
Straightness: 0.2/1000mm
Length: 3m-9m or as your requirements.
Chemical composition:
| Material | Chemical composition% |
| C | Si | Mn | P | S |
| CK45 | 0.42~0.50 | ≤0.04 | 0.50～0.80 | ≤0.035 | ≤0.035 |
| ST52/E355 | ≤0.22 | ≤0.55 | ≤1.6 | ≤0.035 | ≤0.040 |
Mechanical Property:
| Material | T.S(N/mm2) | T.S(N/mm2) | EL%(min) | Condition |
| CK45 | 610 | 355 | 15 | Hard chrome rod |
| CK45 | 800 | 630 | 20 | Q+T |
| ST52/E355 | 500 | 355 | 22 | Hard chrome rod |
Chrome rod delivery condition:
1.Hard chrome rod
2.Quenched & Tempered chrome rod
3.Induction hardend chrome rod
4.Induction hardened with Q&T chrome rod
Corrosion Resistance:
Min 120 hours NSS rating 9 test according to ISO 9227 and ISO 10289 for the evaluation of the results.
| Induction hardness | 50-55HRC |
| Induction layer | 10-25μm |