CK45 4340 high precision gas cylinder chrome plated piston rod

Detailed Product Description

1. Material: CK45, SAE1045, 4140, 4340, JIS45C, 40Cr, 20MnV6, 42CrMo, SS431, SS430, Duplex2205, Stainless Steel 304/316, etc. 
2. Diameter: Φ 6-500 mm

3. Length: max 16m

4. Chrome layer: 20 micron (min)

5. Hardness of the chrome layer: 800HV (min)
6. Roughness: Ra ≤0.2u
7. Straightness: ≤ 0.2/1000
8. Diameter tolerance: ISO f7
9. Roundness: the deviation of roundness is 50% of the diameter tolerance at the most.
10. Supply condition: Hard chrome plated/ Hardened and tempered/ Induction hardened
11. Packing: Anti rust oil to be spread on rod surface and each rod to be packed in paper roll and then in wooden case.