YR CM40B
4140 Hard Chrome Plated Rod SCM440
High Cr-Mo Alloy Chromium Plated Steel Bar is available for customers' specifications.
| Commonly known as “Red Cross”. Alloy Chromium Plated Steel Bar is made of JIS SCM440 / DIN 42CrMo4 / AISI 4140. Cr-Mo Alloy Chromium Plated Steel Bar has greater tensile strength, yield strength, and elongation than medium-carbon hard chrome shaft. Thermoechanical treatment can be added. Through heat treatment, induction, the bar achieves high degree of scalability. Applies to piston rod, hydraulic cylinder bar, pneumatic cylinder rod, mechanical guide bar, all kinds of machinery column rod, sport equipment, aerospace engineering, and various types of machinery. |
Specification
| Dia Ø mm | Dia Ø mm | Dia Ø mm | ||
| 6 | 28 | 60 | ||
| 8 | 30 | 63 | ||
| 10 | 35 | 63.5 | ||
| 13 | 35.4 | 70 | ||
| 16 | 40 | 75 | ||
| 20 | 45 | 80 | ||
| 22.4 | 50 | 90 | ||
| 25 | 50.8 | 100 | ||
| 25.4 | 57 |
Detail
Size：Ø 6~100mm
Length： 2000~7000mm
Hard Chrome Thickness： 20Micron ± 5
Surface Roughness： Ra0.2~Ra0.4
Hardness of Harden Chrome Plated： HV800 (Minimum)
OD Accuracy： f8
Application
Hydraulic cylinder
Pneumatic cylinder
Precise machine pipes
Agriculture machine
Boiler construction
Machinery :
Stamping machine
Punching machine
Blow molding machine
Plastic injection machine
Food machine
Forklift
Automobiles:
Crane
Truck
Truck lifter
Shock absorber of car, motorcycle, bicycle
Furniture: gas spring
Sport equipments
Medical equipments
Door closer
Jack
Tie bars
Material
| Material No. | Similar International Grade | Suitable for… |
| 1.7225 | DIN 42CrMo4 / CNS SCM440 / GB 42CrMoA / BS CFS10CMo (42CrMo4) / JIS SCM440 / AISI 4140 / ISO 42CrMo4 | Machinery Automobile Machine parts |
★ You may order ground bars, bright bars under this material!
