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| Type | Hollow Piston Rod | Model | OD 20~300mm |
| Params | Outer Diameter: 20 mm - 300 mm Tolerance: ISO f7, f8 Chrome layer thickness: 25(+/-5)μm Roughness: ≤0.2μm Hardness: 850-1150HV Straightness: ≤0.2/1000mm Roundness: Half of the diameter tolerance | Material | ST52 BK+S, E355 +SR, S355J0H, S355J2H, DIN CK45, SAE1045, JIS S45C, JIS STKM13C, SAE1026, ST52, 20MnV6, 42CrMo4, 40Cr, AISI 304, AISI316, AISI 431 |
| Applicable Industry | Hydraulic cylinder and construction machinery | ||
Corrosion Resistance: Min.200 hours NSS Rating 9. Test according to ISO 9227 and ISO 10289 for the evaluation of the results

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