CPM REX 45

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This super-high-speed particle metallurgy tool steel is enriched with large volumes of cobalt, tungsten, molybdenum, and vanadium, giving it exceptional toughness and high abrasion resistance. It's similar in composition to HAP40.

REX 45 consists of:

Carbon Chromium Cobalt Copper Manganese Molybdenium Nickel Nitrogen Phosphorus Silicon Sulfur Tungsten Vanadium
1.30 4.05 8.00 / 0.30 5.00 / / / 0.06 0.03 6.25 3.05