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.
As a leading manufacturer and supplier, EASTAI has proudly specialized in the production and distribution of 4140 hard chrome plated bars for over 15 years. With a steadfast commitment to quality and customer satisfaction, our team is dedicated to meeting the diverse needs of our clients. For any inquiries or to discuss your specific requirements, please feel free to contact us at jeff@east-ai.cn . Our responsive team guarantees to provide you with a comprehensive solution within one working day.
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
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)
Hydraulic cylinder
Material | 4140, 42CrMo, 42Crmo4, SCM440, SAE4130 (25CrMo4), SAE4340 (36CrNiMo4) |
---|---|
Diameter | Φ 6-500mm |
Length | Max 20 meters |
Chrome Layer | Minimum 20/25/30/50 Micron or customized |
Hardness of Chrome Layer | 850 HV (minimum) – 1150 HV |
Roughness | Ra <= 0.4 |
Straightness | <= 0.5/1000 |
Diameter Tolerance | ISO f7/f8/f9/h8/h9 or as requested |
Roundness | Half of the tolerance of ISO f7 |
Heat Treatment Type | 1.Normal (no heat treatment) |