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)