Ck45 Hard Chrome Plated Rod Hydraulic Piston Rod

Packaging & delivery Packaging Details        Hydraulic Cylinder Hard Chrome Plated Piston Rods,packing in wooden box. Port                              Shanghai or NingboProduct name: Hydraulic Cylinder Hard Chrome Plated Piston Rods Type: Chrome Plated RodMaterial:  carbon Steel, Stainless Steel Steel Grade:  CK45, ST52, 20MnV6,42CrMo4, 40Cr D.:  40-400mm W.T:  ≥5mm Alloy Or Not:  Non-alloy Length:  Up To 12000mm According To Customer's Requirement Place Of Origin:  Zhejiang, China (Mainland) Surface Treatment :  Chromed, Nickeled  Material: CK45;ST52;20MnV6;42CrMo4;40Cr CHEMICAL COMPOSITION(%) Steel GradeC%Mn%Si%S%P%V%Ni%Cr%Mo%Cu%CK450.42-0.500.50-0.800.17-0.37≤0.035≤0.035/≤0.25≤0.25/≤0.25ST52≤0.22≤1.6≤0.55≤0.04≤0.040.02-0.15////20MnV60.17-0.241.30-1.700.10-0.50≤0.035≤0.0350.10-0.20≤0.30≤0.30/≤0.3042CrMo40.38-0.450.5-0.80.17-0.37≤0.035≤0.0350.07-0.12≤0.030.90-1.200.15-0.25≤0.0340Cr0.37-0.450.50-0.800.17-0.37≤0.035≤0.035/≤0.300.80-1.1/≤0.03  MECHANICAL PROPERTIES MaterialTensile Strength     Rm (Mpa)Yield Strength    Rel (Mpa)Elogation     A%CHARPYCONDITIONCK4561035515>41J NormalizedCK4580054020>41J Q+TST5250035522  Normalized20MnV675059012>41J Normalized42CrMo498085014>47J Q+T40Cr100080010  Q+T   SUPPLY CONDITION       Ground and chrome platedCHROME THICKNESS       20 to 30 micron SURFACE ROUGHNESS      Ra≤0.2 micron and Rt≤2 micro    TOLERANCE ON DIA      ISO f7 on the diameterOVALITY      Half of the tolerance ISO f7STRAGHNESS      ≤0.2MM/MSURFACE HARDNEDD      850-1150 HV(vickers 100g) COHESION        No craks,breaking or detaching after thermic shock(warming up at 3200                 celsius degrees and cooling in water) POROSITY      Test according to ISO 1456/1458 and result yaluation according to ISO 4540           rating 8-10 CORROSION RESISTANCE       Test in natural salt spray according to ASTM B117-120hoursResults evaluation      accordin to ISO4540 RATING7-10WELDABILITY     Good PACKING      Anti rust oil to be applied on material and each rod to be packed in paper                sleeveCERTIFICATE     All certificate related with material heat treatment and plating is required  /* January 22, 2024 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1