K340

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.

K340ES_Diagramm1.png

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

Compressive strength Stability heat Toughness Wear resistance abrasive Wear resistance adhesive

Chemical Composition

1.10 0.70 0.40 8.20 2.10 0.50

Chemical composition (average %)

Available product shapes

  • Flat Bar
  • Long Products
  • Round Bar

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