New Materials For Stainless Steel Turning

New Materials For Stainless Steel Turning

Sumitomo Electric has developed new materials, AC6030M/AC6040M, and the EM breaker for rough cutting, all for use in cutting tools for turning stainless steel. They provide stability and long tool life for processing ranging from general cutting to interrupted cutting of stainless steel. These products go on sale in November 2014.

AC6030M uses the ‘Absotech Platinum’ coating developed using Sumitomo’s advanced chemical vapour deposition (CVD) technology, delivering at least double the anti-chipping effect of conventional coating layers, and producing a first-choice material for general turning of stainless steel, including greatly improved adhesion resistance. AC6040M uses the ‘Absotech Bronze’ coating developed using Sumitomo’s physical vapour deposition (PVD) technology, producing a first-choice material for continuous processing of stainless steel with at least double the conventional anti-chipping effect, for applications including pipework components such as stainless steel valves, flanges, and joints.

Sumitomo developed the new EM model for rough cutting to complement the existing EG model for medium cutting of stainless steel and EF model for finishing, producing a series of stainless steel processing breakers. The newly developed EM breaker for rough cutting maintains sharpness with excellent strength at the cutting edge. Smooth control of chips during rough processing prevents chipping of the cutting edge caused by these fragments, resulting in more stable processing of stainless steel.


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