(Premium 8% Cr Cold Work Steel)

A unique cold work tool steel designed for stamping, cutting and forming applications. The high yield strength and good toughness properties make this tooling material suitable for applications where chipping or premature wear of "traditional" tool steel grades such as AISI A2, S7, D2, etc., is a problem. BOHLER K340 ECOSTAR®/ISODUR® are also an excellent choice when working with materials such as stainless steel, mild steel and copper alloys where adhesive wear is prevalent.  K340 ECOSTAR® is produced using conventional steel production.  K340 ISODUR® is remelted, using Electro-Slag Remelting (ESR). 

Title Type/Filesize Download

K340 ECOSTAR® Data Sheet (Rev. 10.2015)

PDF / 823 KB PDF Download

K340 ISODUR® Data Sheet (Rev. 02.0215)

PDF / 767 KB PDF Download

K340 ISODUR®/ECOSTAR® Heat Treatment (Rev. January 18, 2017)

PDF / 33 KB PDF Download

Tri Coldwork Tool Steel Heat Treatment Guideline

PDF / 78 KB PDF Download

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