Material Grade: 100Cr6
Digital Code: 1.2067
Standard: DIN 17350 (1980) Tool Steels; Technical Conditions of Delivery
Countries and regions: Germany
Steel Group: Tool steels
Application: Lathe centres, drills, threading dies, milling cutters, reamers
Feature
Good overall performance bearing steel 100Cr6, hardened and tempered, high and uniform hardness, wear resistance, high strength and contact fatigue. Good thermal processing of steel, after annealing the ball can have a good cutting. 100cr6 bearing steel, toughness, with good temper resistance, heat treatment deformation. The uniform distribution of carbide steel, carbide precipitation network is not easy, and easy to remove normalizing, normalizing can be eliminated through the mesh and the coarse carbide film organization. But the lack of compressive strength and wear resistance, processability is poor. The steel surface residual carbon content of 0.6% -0.7% of the decarburized layer, due to the resulting decrease in the surface carbide layer increases the sensitivity of overheating. The normal heating surface hardness after quenching can still reach 60-62HRC, but the bending strength was decreased by 40% -50%. Surface layer of grain size to 7, the center is 10. The steel forging good performance, as easy to decarburization, or the need to protect the atmosphere in the neutral atmosphere in the heating furnace. Subjected to hot forging quenching, tempering can be fine sorbite organization, simplify processes, save time and energy saving, both good cutting performance, but also the ideal heat treatment organization. Softening temperature of the steel heat 320 ℃, hardenability better than the chrome steel, oil quench hardened depth of 40-50mm. Zero thermal quenching of the steel annealing process, can eliminate the twist wire = plate heated by conventional quenching caused by oxidation and decarbonization of early failure, repair or non-uniform austenite martensite can be refined, after the fire has been hidden twist martensite or fine needle-like martensite, good strength and toughness of this organization. Should make use of wall thickness ≤ 12mm, diameter ≤ 250mm variety of bearing rings, ball diameter ≤ 50mm, tapered, spherical roller diameter ≤ 22mm and all needle sizes; can also be used to produce measuring tools, molds, woodworking tools . Manufacture of internal combustion engine. Motor vehicles, machine tools, tractors, rolling equipment, drilling machines, railway vehicles and mining machinery and other shaft on the ball, roller and sleeve and so on.
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