1. Descriptions of supplyer Hard Chrome Plated Steel Bar
Size: | Ø 6-300mm |
Length: | 3m -8m |
Material: | 45# DIN CK45/JIS 45C SAE1045 20MnV6 42CrMo4 40Cr |
Tolerance | ISO f7 |
Chrome thickness: | 20μm(min) |
Hardness of the chrome layer: | 850HV(min) |
Roughness: | Ra 0.2micron (max) |
Straightness: | 0.2/1000mm |
Yield Strength | ≥320 Mpa |
Tensile Strength | ≥580 Mpa |
Elongation | ≥ 15% |
Supply condition: | 1.Hard chrome plated |
2.Induction hardened | |
3.Quenched & Tempered | |
4.Induction hardened with Q&T |
2. Pictures of Telescop Rod