Material: 4140, 42CrMo, 42Crmo4, SCM440, SAE4130(25CrMo4), SAE4340(36CrNiMo4)
Diameter:Φ 6-500mm
Length: max 20 meters
Chrome layer: min 20/25/30/50 Micron or customized
Hardness of the chrome layer:850 HV (min) – 1150 HV
Roughness:Ra <= 0.4
Straightness:<= 0.5/1000
Diameter tolerance: ISO f7/f8/f9/h8/h9 or as request
Roundness:Half of the tolerance ISO f7
Heat treatment Type:1) Normal no heat 2)Q+T(Quenched+Tempered) 3)Induction Hardened
Chrome plated bar/ Hard chrome rod/Induction hardened chrome bar
Delivery condition:
Hard Chrome Piston Rod
Quenched & Tempered (Q+T) Rod
Induction Hardened Rod
Q+T Induction Hardened Rod
Corrosion resistance:
Test in natural salt spray according to ASTM B 117-96 hours.
Advantages Of Our 4140 Hard Chrome Bars
- Precision material parts strictly according to customer&request drawing,packing and quality request
2.Tolerance: can be kept in +/-0.01mm
3.The most advanced inspector to ensure the quality
4.Experienced technology engineers and well trained workers
5.Fast and timely delivery. Speedily &professional service
6.Give customer professional suggestion while in the process of customer designing to save costs
Our main business range is listed as follows:
Carbon Seamless Steel pipe/tube
Hydraulic cylinder tube(Honed tube)
Hard chrome plated rod/bar/shaft(Piston rod)
Contact Detail
Contact: Helen
Email: sales@bos-hydraulic.com
Fax:+86-18983615771
Website: https://bos-hydraulic.com
Address: Qinxin Village Industrial Concentration Zone, Yaoguan Town, Wujin District, Changzhou City, Jiangsu Province