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 (%)

C	Mn	Si (Max)	S	P
0.40-0.50	0.60-0.90	0.035	0.035	0.035

Technique informations:

1.External diameter accuracy:f7

2.Surface roughness: Ra0.2

3.Surface hardness:HV500 (MINIMUM) UP

4.Standard length:1m~8m

5.Hard chrome thickness:25micro ~40micro

packing in paper sleeve as showed below:

Surface roughness:Ra ≤0.2 Micron and Rt≤2 Micron Tolerance on diameter: ISO f7Quality: half of the tolerance f7straightness: ≤0.2mm/m

Test in natural salt spray according to ASTM B 117-36 hoursPackage:seperate packed in tube,also according to your request

hard polished and chrome plated cylinder piston rod