40Cr alloy steel piston rod
Minimum Order: 0
Quality/Safety Certification: 0.00
ISO9001-2000 Certified
surface:hard chrome plated
chrome thickness:0.02mm-0.04mm
alignment
CHEMICAL COMPOSITION (%)
C | Mn | Si
(Max) | Cr | P/s |
0.37-0.44 | 0.60-0.90 | 0.17-0.37 | 0.85-1.10 | <0.035 |
Surface roughness:Ra ≤0.2 Micron and Rt≤2 Micron
Tolerance on diameter: ISO f7
Quality: half of the tolerance f7
straightness: ≤0.2mm/m
Test in natural salt spray according to ASTM B 117-36 hours
Package:normal straw rope,also according to your request
