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Mangalloy, also called manganese steel or Hadfield steel, is an alloy steel containing an average of around 13% manganese. Mangalloy is known for its high impact strength and resistance to abrasion once in its work-hardened state.
The embrittlement decreases at higher manganese concentrations and reaches an acceptable level at 8%. Steel containing 8 to 15% of manganese has a high tensile strength of up to 863 MPa. [77] [78] Steel with 12% manganese was discovered in 1882 by Robert Hadfield and is still known as Hadfield steel (mangalloy).
Ferromanganese is an alloy of iron and manganese, with other elements such as silicon, carbon, sulfur, nitrogen and phosphorus. [1] The primary use of ferromanganese is as a type of processed manganese source to add to different types of steel, such as stainless steel. Global production of low-carbon ferromanganese (i.e. alloys with less than 2 ...
80CrV2 is commonly known as Swedish Saw Steel. It is a manganese-vanadium steel with 0.8% carbon content, making it a true high-carbon steel; and as such is easily hardened able, and with very good edge retention. It has an excellent reputation for toughness and shock resistance, comparable to S7 steel.
World War I Brodie helmet, made from Hadfield steel. Hadfield was born 28 November 1858 in Attercliffe, then still a village near Sheffield. [1] Hadfield's father, also named Robert Hadfield, owned Hadfield's Steel Foundry in Sheffield and in 1872 was the first manufacturer of steel castings in Britain. He declined to use patented technology ...
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Spiegeleisen (literally "mirror-iron", German: Spiegel—mirror or specular; Eisen —iron) is a ferromanganese alloy containing approximately 15% manganese and small quantities of carbon and silicon. Spiegeleisen is sometimes also referred to as specular pig iron, Spiegel iron, just Spiegel, or Bisalloy.
Spring steel is a name given to a wide range of steels [1] used in the manufacture of different products, including swords, saw blades, springs and many more. These steels are generally low-alloy manganese , medium-carbon steel or high-carbon steel with a very high yield strength .