Varilla cromada

Material:

CK45, SAE1045, 4140,   4340, JIS45C, 40Cr, 20MnV6, 42CrMo, SS431, SS430, Stainless Steel 304/316/2205,   etc.

Diameter:

Φ 6-500mm

Length:

max 13m

Chrome layer:

20 micron (min) to 100   micron

Hardness of the chrome   layer:

850 HV (min) - 1150 HV

Roughness:

Ra <= 0.2u

Straightness:

<= 0.2/1000

Diameter tolerance:

ISO f7 / f8 / h8 / g6

Roundness:

Half of the tolerance   ISO f7

Delivery condition:

Hard Chrome Piston Rod   ( HRC 15-20)

Quenched &   Tempered (Q+T) Rod (HRC 28-32)

Induction Hardened Rod   (HRC 55-62)

Q+T Induction Hardened   Rod (HRC 60-65)

Corrosion resistance:

Test in natural salt   spray according to ASTM B 117-96 hours.

Packing:

Anti-rust oil to be   spread on rod surface and each rod to be packed in paper roll and then in   wooden case.