Chrome bar

Hard Chrome plated bar OD mm Longest Length Tolerance Straight Chrome thickness Roundness 6-10 2.5m f7,h8 0.2mm/1000mm 0.01-0.015mm 0.01mm 11-16 3m f7,h8 0.2mm/1000mm 0.01-0.018mm5 0.01mm 18-40 4m k6,f7,h8 0.15mm/1000mm 0.01-0.035mm 0.01mm 41-70 7m k6,f7,h8 0.1mm/1000mm 0.01-0.035mm 0.01mm 70-160 7m k6,f7,h8 0.1mm/1000mm From0.01mm 0.01mm 160-200 10m k6,f7,h8 0.1mm/1000mm From0.01mm 0.01mm Material: CK45(SAE1045, S45C),42CrMo( SAE4140), 20MnV6 Chrome layer surface hardness750-1150HV (Vickers 100g)