HABA C-Stahl



Unalloyed tempering steel

HABA C-Stahl is a normalized heat-treated steel with good machinability, surface-hardenable and weldable within limits. Suitable for basic steel components in mechanical engineering, vehicle construction and toolmaking which are exposed to medium stress.



  • Base plates
  • Table tops
  • Tools
  • Rack gears
  • Machined and engineered parts of all kinds
  • Jigs
  • Setting jigs



Thickness milled Ra3.2 (N8)
Tolerance +/-0.2 mm
Parallelism ≤0.1 mm
Evenness ≤0.3 mm
Length/width Ra6.3-12.5 cut with a precision circular saw
HABA standard tolerance nominal size +/-0.3 mm
Customer-specific tolerance within a tolerance field of 0.5 mm
Surface refinement All metallic and non-metallic coatings

We also manufacture rolled and grinded blanks on request as well as special thicknesses and tolerances.



Tensile strength Rm 560-620 (N/mm2)
Yield strength Re 275-340 (N/mm2)
Breaking strain (Lo = 5 do) A5 14-16 %
Impact energy AV (J) ≥25
Brinell hardness (HB30) 175-210
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)