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An advisory board was established in April 1972 to establish the Unified Numbering System (UNS). [2] The UNS is managed jointly by the ASTM International and SAE International . The resulting document SAE HS-1086 provides a cross-reference between various designation systems and the chemical composition.
The addition of cobalt increases heat resistance, and can give a hardness up to 70 Rockwell C. [14] M35 M35 is similar to M2, but with 5% cobalt added. M35 is also known as Cobalt Steel, HSSE or HSS-E. It will cut faster and last longer than M2. [15] M42 M42 is a molybdenum-series high-speed steel alloy with an additional 8% cobalt. [14]
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 ...
An amorphous metal (also known as metallic glass, glassy metal, or shiny metal) is a solid metallic material, usually an alloy, with disordered atomic-scale structure. Most metals are crystalline in their solid state, which means they have a highly ordered arrangement of atoms .
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Cobalt-cermet-based coatings consisting of materials such as tungsten carbide/cobalt can be used due to excellent resistance to abrasion, corrosion, erosion, and heat. [ 60 ] [ full citation needed ] These cermet coatings perform well in situations where temperature and oxidation damage are significant concerns, such as boilers.
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Candle toppers are cute, open metal lids that often have intricate designs. Like the aluminum foil, they help keep the flames protected from wind and drafts so the wax can melt evenly.