Steel Rod suppliers Chrome Plated Rod Specification Material: CK45, SAE1045, 4140, 4340, JIS45C, 40Cr, 42CrMo Diameter: 桅 6-500 mm Length: max 16m Chrome layer: 20 micron (min) Hardness of the chrome layer: 800HV-1150HV Roughness: Ra 鈮?.2u Straightness: 鈮?0.2/1000 Diameter tolerance: ISO f7 Roundness: The deviation of roundness is 50% of the diameter tolerance at the most. Supply condition: Hard chrome plated/ Hardened and tempered/ Induction hardened Packing: Anti rust oil to be spread on rod surface and each rod to be packed in paper roll and then in wooden case. Product NamePiston rod Size12-300mm Material20#,45#,40Cr,46CrMo4 or as required Techniquecold drown/peeling ToleranceISO f7 Chrome layer thickness15-30渭m Leeb hardness20-60HRC Applicationcylinder tube Packaging Details 1.Coated by antirust oil. 2.Sheathed by paper carton tube, both end covered by roundness paper carton. 3. Cotton rope twined and bundled without interspace, to avoid any surfaced scratched. 4. Plastic film covered overall of bundled bars, to keep seal. 5. (Options) Woven tarpaulin covered overall of bundled bars, to keep packing clear. 6. Lifting belts on the middle of bundled bars. 7. (Options) Wooden box packed. We adopted the precision cold drawn, honing and polishing to manufacture the Precision Slender Shaft (Piston Rod), every technical target meets the national standard. And our products are widely used in domestic hydraulic pneumatic, textile industry, print, plastic machine industry. The Piston Pole Rod Diameter: 桅6-桅300mm Material Quality: 45# 2Cr13 Supply Status: Cold-drawing, material adjustment No surface treatment surface Cr-plating or Nickel-phosphorus platingSteel Rod suppliers website:http://www.steeltubeschina.com/steel-rod/