Major
technical
specifications
Specification
(mm) |
∮6 - ∮12 |
∮6 - ∮25 |
∮30 - ∮50 |
∮55 - ∮100 |
∮105 - ∮250 |
Length (mm) |
800-2000 |
800-3000 |
800-5000 |
1000-7000 |
1000-9000 |
Surface roughness |
|
|
0.4-0.1 |
|
|
Surface treatment hardness |
Above HRC 60 |
Linear degree |
|
0.15/1000 mm |
|
Circular common
error |
CB1184 9 Grade |
Thickness of Cr-plating |
|
0.2-0.3 |
|
Permitted error of total length |
CB1100 IT Grade |
Material quality |
|
45#, 2Cr13, 20CrMo |
|
Hardness of regulating axis |
HB241-267 |
Supply status |
No surface treatment Cr-plating or
Nickel-phosphorus plating |
Hard
Chrome Plated Bars
Diameters |
∮18 - ∮250 mm |
Length |
3000-6000 mm |
Steel Grade |
45# DIN CK45/JIS
45C |
Tolerance |
ISO f7 |
Chrome Thickness |
20 um (min) |
Hardness of the
Chrome Layer |
850 HV (min) |
Roughness |
Ra 0.2 um (max) |
Straightness |
0.2/1000 mm |
Mechanical
properties
(CK45) |
Yield strength
≥320 Mpa
Tensile strength
≥580 Mpa
Elongation ≥15% |
Supply
condition
1.
Hard Chrome Plated
2.
Induction Hardened
3.
Quenched & Tempered
4.
Induction hardened with Q&T
Corrosion resistance
Min. 120 hours
NSS Rating 9
Test acc. To ISO
9227 and ISO 10289 for the evaluation of the results |
Induction
hardness |
50-55 HRC |
Induction layer |
1.7-2.5 mm |
Additional cutting costs for induction hardened bars
Nickel-plated & chrome plated bars for special requests
Certification: Mill Test Certificate acc. To EN 10204 3.1
|