Hard chromium-plated bars
Application
Hard chromium-plated bars are used for the production of cylinders, drums and guiding shafts.

Exact description
Hard chromium-plated bars.

Material
CK 45, material-no. 1.1191
20 Mn V6, material-no. 1.5217
42 Cr Mo 4 V, material-no. 1.7225

Dimensions
Diameter: 8 - 200 mm

Tolerances
Diameter tolerance: ISO-f7 (standard)

Thickness of chromium layer
Diameter from 8 to 18 mm: 18 +/- 3 µm
Diameter from 20 to 200 mm: 25 +/- 5 µm
Surface roughness
· Ra value max. 0.3 µm
· Rt value max. 2 µm

Hardness of chromium layer
min. 66 - 68 HRC

Length
Production lengths approx. 6 metres. Upon demand supply of fixed or combinable lengths.

Test certificate
Upon demand all the bars can be supplied with an EN 10204-3.1B factory certificate.

Mechanical features
 

Material Tensile strength
(N/mm2)		 Yield Stress
(N/mm2) 		Elongation (%) Delivery state
Ck 45 600 340 17 untretaed
20 Mn V6 600 450 19 untretaed
42 Cr Mo 4 V 950 800 12 hardened and tempered

Delivery Time
The steel qualities CK 45 and 20 Mn V6 can be supplied within max. 1 week,
the material 42 Cr Mo 4 V requires at least 3 weeks.


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