HABA EC80
1.7131
16MnCr5
Case-hardened steel
Normalised and additionally low-tension annealed case-hardened steel with excellent machinability and high dimensional stability. Suitable for mechanical engineering parts such as gear wheels and gear parts with a hard, wear-resistant surface and a tough core.
APPLICATIONS
- Feeders
- Gear-wheels
- Piston rods
- Sliding rods
- Equipment base plates
- Clamping and hole grid systems
- Bending beams
- Edging tool
FINISHES
| Thickness | grinded ≤Ra1.6 (N7) |
| Tolerance | +0.4/+0.3 mm |
| Parallelism | ≤0.05 mm |
| Evenness | ≤0.15 mm |
| Length/width | Ra6.3-12.5 cut with a precision circular saw |
| HABA standard tolerance | nominal size +0.8/+0.3 mm |
| Customer-specific tolerance | within a tolerance field of 0.4 mm |
| Surface refinement | All metallic and non-metallic coatings |
We also manufacture rolled and milled blanks on request as well as special thicknesses and tolerances.
TECHNICAL SPECIFICATIONS
| Tensile strength Rm | ca. 700 (N/mm2) |
| Yield strength Re | ca. 550 (N/mm2) |
| Breaking strain (Lo = 5 do) A5 | 9-11 % |
| Impact energy AV (J) | ≥34 |
| Brinell hardness (HB) | 138-187 |
| Density | 7.85 kg/dm3 |
| E-module | ~210 kN/mm2 |
| Thermal conductivity coefficient | 35-45 (W/mK) |
| Thermal expansion coefficient | 11-14 (10-6/K) |
