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Stainless steel. 118–135 24–32 7–24 Plastics. ... Cobalt steel alloys are variations on high-speed steel that contain more cobalt. ... Center drill bits, ...
These core drills have 8% Cobalt in HSS. These core drills are harder than the Standard HSS core drills which gives better performance to drill harder material. A high percentage of Cobalt in HSS makes it faster, stronger, and durable. [citation needed] Cobalt HSS core drills are used to drill materials like Structural Steel, Stainless Steel ...
M42 is a molybdenum-series high-speed steel alloy with an additional 8% cobalt. [14] It is widely used in metal manufacturing industries because of its superior red-hardness as compared to more conventional high-speed steels, allowing for shorter cycle times in production environments due to higher cutting speeds or from the increase in time ...
Stellite alloys are a family of completely non-magnetic and corrosion-resistant cobalt alloys of various compositions that have been optimised for different uses. Stellite alloys are suited for cutting tools, an example is Stellite 100, because this alloy is quite hard, maintains a good cutting edge at high temperature, and resists hardening and annealing.
The coefficient of thermal expansion of cemented tungsten carbide is found to vary with the amount of cobalt used as a metal binder. For 5.9% cobalt samples, a coefficient of 4.4 μm/m·K was measured, whereas 13% cobalt samples have a coefficient of around 5.0 μm/m·K.
The high cobalt versions are very resistant to heat and thus excellent for reaming abrasive and/or work hardening materials such as titanium and stainless steel. Tungsten carbide More expensive than high-speed steels. Hardness up to HRC 92. Will outlast high-speed steels (usually by about 10:1) when reaming steel. Required to ream hardened ...