CHROME PLATED ROD (PISTON ROD)Material: CK45Size range:Outside diameter from 12 to 500 mmMax length 16 metersSupply condition: Chrome platedChrome thickness: 20 TO 50 MicronSurface roughness: Ra ≤ 0.4 MicronOuter diameter tolerance: ISO f7Ovality: Half of the tolerance ISO f7Straightness: ≤ 0.2mm/mCorrosion resistance: Test in natural salt spray according to ASTM B 117-36 hours.Packing: Anti rust oil to be spread on rod surface and each rod to be packed in paper roll and then in wooden box.