![HK FAC HK FAC](/data/img/category/HK_FAC_CRNIL_HK_FAc_HC_HK_FAC.jpg)
HK FAC
Chrome-plated piston rod- Design
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Piston rods - metre goods
Tolerance f7
- Material
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Steel 20MnV6, chrome 25 μm ± 5
- Surface
-
Chrome layer 25μm +-5μm
Surface hardness HRC 66-69 (HV 850-1000)
Roughness Ra ≤ 0.2μm
Corrosion resistance up to 120 hours in NSS test according to ISO 3768 / Rating 9
![HK FAC HC2 HK FAC HC2](/data/img/category/HK_FAC_CRNIL_HK_FAc_HC_HK_FAC.jpg)
HK FAC HC2
Chrome-plated piston rod HC 200- Design
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Piston rods - metre goods
Tolerance f7
- Material
-
Steel 20MnV6
- Surface
-
Chrome layer 25μm +-5μm
Surface hardness HRC 66-69 (HV 850-1000)
Roughness Ra ≤ 0.2μm
Corrosion resistance up to 200 hours in NSS test according to ISO 3768 / Rating 9
![HK FAC HC5 HK FAC HC5](/data/img/category/HK_FAC_CRNIL_HK_FAc_HC_HK_FAC.jpg)
HK FAC HC5
Chrome-plated piston rod HC 500- Design
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Piston rods - metre goods
Tolerance f7
- Material
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Steel 20MnV6
- Surface
-
Chrome double layer 2 x 20μm +-5μm
Surface hardness HRC 66-69 (HV 850-1000)
Roughness Ra ≤ 0.2μm
Corrosion resistance up to 500 hours in NSS test according to ISO 3768 / Rating 9
![HK FAC CRNI HK FAC CRNI](/data/img/category/HK_FAC_CRNIL_HK_FAc_HC_HK_FAC.jpg)
HK FAC CRNI
Chrome-plated piston rod CRNI- Design
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Piston rods - metre goods
Tolerance f7
- Material
-
Steel 20MNV6CRNI
- Surface
-
Nickel layer 30μm, chrome layer 20μm
Surface hardness, nickel coating HV 300
Surface hardness, chrome coating HV 850
Roughness Ra ≤ 0.2μm
Corrosion resistance up to 1000 hours in NSS test according to ISO 3768 / Rating 9