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CPM REX T15 is a super-high-speed tool steel enriched with high volumes of tungsten, vanadium, and cobalt for extreme abrasion resistance. This advanced material is used primarily in the manufacture of end mills, broaches, and other tools used to shape difficult-to-machine materials under conditions of high frictional heating. Its sophisticated alloy composition can only be achieved through the Crucible® Particle Metallurgy (CPM) process, which also ensures a homogenous microstructure with a finer, more uniform carbide distribution.

Carbon Chromium Cobalt Copper Manganese Molybdenium Nickel Niobium Nitrogen Phosphorus Silicon Sulfur Tungsten Vanadium
1.60 4.00 5.00 / 0.30 / / / / / 0.30 0.06 12.00 4.90