Chrome plate rod

rod (piston rod, chrome plate rod)Material: CK45 CHEMICAL COMPOSITION (%) CMnSiSP0.40-0.500.60-0.900.0350.0350.035 MECHANICAL PROPERTIES UTS MinY.S. MinE % MinCHARPYCONDITION630 N/mm2340 N/mm216NORMALISED600 N/mm2400 N/mm21641JHARDENED AND TEMPERED Supply condition: Chrome plated Chrome thickness: 20 TO 40 Micron Surface roughness: Ra ≤0.4 Micron and Rt≤2 Micron Tolerance on diameter: ISO f7 on the diameter Ovality: Half of the tolerance ISO f7 Straightness: ≤0.2mm/m Corrosion resistance: Test in natural salt spray according to ASTM B 117-36 hours. Packing: Anti rust oil to be spread on material and each rod to be packed in paper box or wooden box.