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Stainless Steel Hard Chrome Plated Piston Rod
Detail Information
Stainless Steel Hard Chrome Plated Piston Rod
| Material: | Stainless Steel Hard Chrome Plated Piston Rod |
| Tolerance | ISO f7 |
| Chrome thickness: | 20~50micron |
| Hardness of the chrome layer: | 800HV(min) |
| Roughness: | Ra 0.2micron (max) |
| Straightness: | 0.1/1000mm |
| 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 |
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 |
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 |
Corrosion Resistance:
Min 120 hours NSS Rating 9 test according to ISO 9227 and ISO 10289 for the evaluation of the results.
| Induction Hardeness | 50-55HRC |
| Induction Layer | 1.7-2.5mm |
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