chrome plated used for telescopic cylinder inside :precise honed Deliery term: BKS heat treatment :low temperature temper all tube are made from trustable material,manufacture by precise cold drawn machine ,then heat treatment by low temperature temper,then honed inside...

surface:hard chrome plated thickness:0.02mm-0.04mm hardened and tempered HRC :28 to 55 customer manufactured with drawing CHEMICAL COMPOSITION (%) CMnSi(Max)SP0.40-0.500.60-0.900.0350.0350.035Surface roughness:Ra ≤0.2 Micron and Rt≤2 Micron Tolerance on diameter: ISO...

hard chrome plated thickness:0.02mm-0.04mm Ra<0.2 micron and Rt<2 micron Surface Hardness:850-1150HV salt spray:117~96 hours CHEMICAL COMPOSITION (%) CMnSi(Max)SP0.40-0.500.60-0.900.0350.0350.035precedure:Raw material--cutting--straightening--grinding 3...

surface:hard chrome plated thickness:0.02mm-0.04mm hardened and tempered HRC :28 to 55 customer manufactured with drawing chemical composition and...

surface:hard chrome plated thickness:0.02mm-0.04mm induction hardened or quenched and tempered (Q + T) rod HRC from 28 to 35 CHEMICAL COMPOSITION (%) CMnSi(Max)SP0.40-0.500.60-0.900.0350.0350.035Technique informations:1.External diameter accuracy:f72.Surface roughness:...

hard chrome plated thickness:0.02mm-0.04mm Ra<0.2 micron and Rt<2 micron Surface Hardness:850-1150HV salt spray :117~96 hour 1CSiMnCrNiPSCU40Cr0.37~0.440.17~0.370.50~0.800.80~1.10≤0.030≤0.035≤0.035≤0.030Manufacture precedure:Raw...

surface:hard chrome plated thickness:0.02mm-0.05mm from 12mm to 200mm hardened and tempered,or induction HRC from 28 to 55 CHEMICAL COMPOSITION (%) CMnSi(Max)SP0.40-0.500.60-0.900.0350.0350.035Surface roughness:Ra ≤0.2 Micron and Rt≤2 Micron Tolerance on diameter: ISO...

materail :40Cr alloy steel or CK45 surface: hard chrome plated chrome thickness : 0.02mm-0.05mm surface Ra: 0.16-0.4um CHEMICAL COMPOSITION (%) CSiMnCrNiPSCU40Cr0.37~0.440.17~0.370.50~0.800.80~1.10≤0.030≤0.035≤0.035≤0.030 yield...