Chrome Plated Rod
Hollow Piston Rod
Chrome plated shaft
Hydraulic Cylinder Rod
ST52 Honed Tube
Could Drawn Honed Tube
AISI1020 Honed Tube
Small Diameter Honed Tube
High Precision Honed Tube
Electric pressure washing
Gasoline & diesel pressure washing
C20 Honed Tube
Q+T Honed Tube
SRB Tube
Hydraulic cylinder
Our Company
Our Factory
Hydro Service
FAQ
Factory News
SCM440 ISO f7 Hard Chrome Plated Piston Rod
| Categories | Chrome Plated Piston Rod |
|---|---|
| Trademark/Brand | HYDRO Precision Steel Pipe Manufacturer |
| FOB port | Shanghai |
| Update Time | Nov 3,2025 |
Detail Information
1. SCM440 ISO f7 Hard Chrome Plated Piston Rod
| Size: | Ø 6-300mm |
| Length: | 1m -9m |
| Material: | CK45/ ST52/ 20MnV6/ 42CrMo4/ 40Cr/ bearing steel/ stainless steel |
| Tolerance | ISO f7 |
| Chrome thickness: | 20~30micron |
| Hardness of the chrome layer: | 800HV(min) |
| Roughness: | Ra 0.2micron (max) |
| Straightness: | 0.2/1000mm |
| Yield Strength | ≥350 Mpa |
| Tensile Strength | ≥580 Mpa |
| Elongation | ≥ 15% |
| Supply condition: | 1.Hard chrome plated |
| 2.Induction hardened | |
| 3.Quenched & Tempered | |
| 4.Induction hardened with Q&T |
2.Chemical Composition
| Material | C% | Mn% | Si% | S% | P% | V% | Cr% |
| Ck45 | 0.42-0.50 | 0.50-0.80 | 0.17-0.37 | ≤0.035 | ≤0.035 | ≤0.25 | |
| ST52 | ≤0.22 | ≤1.6 | ≤0.55 | ≤0.04 | ≤0.04 | 0.02-0.15 | |
| 20MnV6 | 0.17-0.24 | 1.30-1.70 | 0.10-0.50 | ≤0.035 | ≤0.035 | 0.10-0.20 | ≤0.30 |
| 42CrMo4 | 0.38-0.45 | 0.50-0.80 | 0.17-0.37 | ≤0.035 | ≤0.035 | 0.07-0.12 | 0.90-1.20 |
| 40Cr | 0.37-0.45 | 0.50-0.80 | 0.17-0.37 | ≤0.035 | ≤0.035 | 0.80-1.10 |
3. Mechancial Properties
| Material | T.S N/MM2 | Y.S N/MM2 | E%(MIN) | CHARPY | CONDITION |
| CK45 | 610 | 355 | 15 | >41J | NORMALIZE |
| CK45 | 800 | 630 | 20 | >41J | Q + T |
| ST52 | 500 | 355 | 22 | NORMALIZE | |
| 20MnV6 | 750 | 590 | 12 | >40J | NORMALIZE |
| 42CrMo4 | 980 | 850 | 14 | >47J | Q + T |
| 40Cr | 1000 | 800 | 10 | Q + T |
Quality measurement system
Applications of Product
Please send your message to us
- Tel
- *Title
- *Content
- Service for Hydraulic Cylinder Parts
Please send your message to us
- Tel
- *Title
- *Content
