Product Description

The BÖHLER K340 ECOSTAR is a conventionally melted, oil- and air-hardened 8% chromium steel with improved matrix structure and with good dimensional stability. This results in material properties that are particularly well suited to working with combined loading.


Property Features

The outstanding performance characteristics and material properties of BÖHLER K340 ECOSTAR improve the cost-effectiveness of their tools.

Advantages in tool-making

  • Good EDM machinabilty
  • Good dimensional stability
  • Good machinabilty
  • Excellent nitridability
  • Excellent coatability

Advantages in tool use

  • Excellent adhesive wear resistance
  • High compressive strength
  • Easy to regrind
  • High cutting edge retention
  • Consistently high component precision
  • Safety against breakage or failure in use
  • Reproducible tool Parameters

Technical Specifications

Chemical Composition

1.10 0.70 0.40 8.20 2.10 0.50

Chemical composition (average %)

Available product shapes

  • Long Products

Fairs & Events


voestalpine High Performance Metals Slovakia, s.r.o.