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A wear-resistant, martensitic stainless tool steel that exhibits better corrosion resistance than 440C stainless steel. 2Cr13, belongs to 420 grade series, very basic. EN 1.4021 / DIN X20Cr13, widely used in economic cutting tools, 50HRC max after heat treatment.
440C (UNS designation S44004) is a martensitic 400 series stainless steel, [1] and has the highest carbon content of the 400 stainless steel series. It can be heat treated to reach hardness of 58 to 60 HRC. It can be used to make rolling contact stainless bearings, e.g. ball bearings and roller bearings. It is also used to make knife blades.
It seems like every $5+ knife at walmart and harbor freight etc, is now called "High Carbon Stainless." While I suspect in the real world, claimed specifications are not checked and it's meaningless undefined hype, we need to attempt an explanation. (Spyderco famously discovered that their knife supplier/maker was marking 8Cr13MoV steel as 440C ...
Martensitic stainless steels can be high- or low-carbon steels built around the composition of iron, 12% up to 17% chromium, carbon from 0.10% (Type 410) up to 1.2% (Type 440C): [8] The chromium and carbon contents are balanced to have a martensitic structure.
Stainless steel, also known as inox, corrosion-resistant steel (CRES), and rustless steel, is an iron-based alloy containing a minimum level of chromium that is resistant to rusting and corrosion. Stainless steel's resistance to corrosion results from the 10.5%, or more, chromium content which forms a passive film that can protect the material ...
2. Blenders. Has your trusty blender acquired a broken blade or motor in the process of being used? Do yourself and your loved one a favor, and don’t waste your time on parts and repairs.
Amid controversy surrounding the carnivore diet, researcher Nick Norwitz recently released a video in which he debunks eight myths surrounding the meat-heavy eating plan.
In addition to the descriptive steel grade naming system indicated above, within EN 10027-2 is defined a system for creating unique steel grade numbers. While less descriptive and intuitive than the grand names they are easier to tabulate and use in data processing applications. The number is in the following format: x.yyzz(zz)