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High-speed steel (HSS or HS) is a subset of tool steels, commonly used as cutting tool material. It is superior to high-carbon steel tools in that it can withstand higher temperatures without losing its temper (hardness). This property allows HSS to cut faster than high carbon steel, hence the name high-speed steel.
CPM REX 76 (HSS) [53] is super high-speed steel made by the CPM (Crucible Particle Metallurgy) Process. It is heat treatable to HRC 68–70. Its high carbon, vanadium, and cobalt contents provide abrasion resistance comparable to that of T15 and red hardness superior to that of M42. CPM REX 86 (HSS) [54] is super high-speed steel made by the ...
Cutting tool materials must be harder than the material of the workpiece, even at high temperatures during the process. The following properties are required for cutting tool materials: [1] hardness, hot hardness and pressure resistance; bending strength and toughness; inner bonding strength; wear resistance. oxidation resistance
Steel of about 0.8% C gets as hard as steel with more carbon, but the free iron carbide particles in 1% or 1.25% carbon steel make it hold an edge better. However, the fine edge probably rusts off faster than it wears off, if it is used to cut acidic or salty materials.
4340 steel is an ultra-high strength steel ... The mechanical properties of 4340 are highly dependent on the heat treatment. 4340 can commonly have yield strengths of ...
The materials can be tailored to have specific mechanical properties by optimizing the process parameters associated with LPBF. It has been observed that processing parameters such as laser scanning speed, power and the scanning space can have significant effects on the mechanical properties of 300 maraging steel such as tensile strength ...