We are reliable:
Raw material is mainly from some famous refinery steel mills, such as BAO STEEL, Tianjin, and Chengdu etc, which are the best and largest raw material manufacturers in China.
We have experienced technicians and skilled workers and provide you with high quality and efficient products.
We have advanced equipments: Cold drawing machine, honing machine, skiving&roller burnishing machine, centerless grinding machine, straightening machine, polishing machine, etc.
Delivery on time and best after-sale service.
Hard chrome plated rod (HRC 15-20)
Hardened and tempered chrome plated rod (HRC 28-30)
Induction and hardened chrome plated rod (HRC 55-60)
Hollow chrome bar
Hollow piston rod
Hard Chrome Plated Rod (Piston Rod)
1. Material: CK45, 1045, 4140, 4340, JIS 45C, 40Cr, 42CrMo, 20MnV6, SS431 ,SS430, Duplex2205, Stainless steel 304/316, etc.
2. Diameter: 6-500mm
3. Length: Max 13m
4. Tolerance on diameter: ISO f7
5. Ovality: Half of the tolerance ISO f7
6. Chrome thickness: 20micron (min)
7. Hardness of the chrome layer: 800HV (min)
8. Surface Roughness: Ra ≤ 0.2 Micron
9. Straightness: ≤ 0.2mm/m
10. Supply condition: Hard chrome plated/ Hardened and tempered/ Induction hardened
11. Packing: Anti rust oil to be spread on rod surface and each rod to be packed in paper roll and then in wooden case.
|CK45 / Chemical Composition (%)|
|CK45 / Mechanical Properties|
|T.S. (Mpa)||Y.S.(Mpa)||E %||Condition|
|OD (mm)||Tolerance (mm)|
CK45 Normalised : 15-20 HRC
CK45 Hardened and Tempered: 28-30 HRC
CK45 Induction and Hardened: 50-55 HRC