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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.
300 series stainless steels are the larger subgroup. The most common austenitic stainless steel and most common of all stainless steel is Type 304, also known as 18/8 or A2. Type 304 is extensively used in such items as cookware, cutlery, and kitchen equipment. Type 316, also known as A4, is the next most common austenitic stainless steel.
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.
Thus, austenitic stainless steels are not hardenable by heat treatment since they possess the same microstructure at all temperatures. [47] Austenitic stainless steels consist of two subfamilies: 200 series [48] are chromium-manganese-nickel alloys that maximize the use of manganese and nitrogen to minimize the use of nickel. Due to their ...
Type 310 310S— is a highly alloyed austenitic stainless steel used for high temperature application. The high chromium and nickel content give the steel excellent oxidation resistance as well as high strength at high temperature. This grade is also very ductile, and has good weldability enabling its widespread usage in many applications. [7]
In one approach steel is heated to a high temperature, cooled somewhat, held stable for an interval and then quenched. This produces islands of austenite surrounded by a matrix of softer ferrite, with regions of harder bainite and martensite. The resulting product can absorb energy without fracturing, making it useful for auto parts such as ...
The manganese has an effect similar to nickel, i.e. it stabilizes the austenite phase. Hence, depending on their manganese content, Fe-Mn maraging steels can be fully martensitic after quenching them from the high temperature austenite phase or they can contain retained austenite. [7]
Austenitic steels are used widely in many applications because of their excellent strength and ductility combined with good wear and corrosion resistance. High-Mn TWIP steels are attractive for automotive applications due to their high energy absorption, which is more than twice that of conventional high strength steels, [ 3 ] and high ...