Why Are Inserts Essential in Automotive Component Production

What kind of milling cutter is good for processing stainless steel?
There APMT Insert are many specialized tools for processing stainless steel in the market, but many users have tried various types of stainless steel milling cutters and still cannot find a satisfactory stainless steel specialized tool. For example, when processing this cast 316L stainless steel part, the tool tip is prone to cracking and is not durable.
To study what milling cutters are good for processing stainless steel, it is necessary to first analyze the material characteristics of stainless steel.
Stainless steel refers to alloy steel with chromium content more than 12% or nickel content more than 8%. It can be divided into martensite stainless steel, ferrite stainless steel, austenitic stainless steel, austenite+ferrite stainless steel, etc. according to the structure state.
Compared with austenitic stainless steel and ferritic stainless steel, martensite stainless steel has higher strength, good mechanical properties and high-temperature oxidation resistance. Its main feature is that its hardenability is quite good. It can be strengthened by quenching, tempering and other heat treatment processes to obtain higher hardness, strength and wear resistance. Therefore, martensite stainless steel is widely used in steam turbine blades, large engine set blades, bearings and wear parts, large castings of TCMT Insert hydropower station equipment, pump valve castings and other fields. 1Cr11Ni2W2MoV martensite stainless steel was introduced from the former Soviet Union in the 1950s. It has high strength and toughness, high machining hardness, high cutting temperature, easy tool wear and other characteristics, and is widely used to manufacture important parts such as shafts, blades and turbine disks of gas turbines in the aviation industry. 2Cr13 stainless steel belongs to martensite stainless steel. Although its strength and hardness are not high, it has high toughness, high thermal strength and low thermal conductivity. It has the characteristics of large plastic deformation and large cutting heat during processing, and is commonly used to manufacture turbine blades.

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