Wear plate knowledge: What is HIGH MANGANESE STEEL?
High manganese wear resistant steel (HIGH MANGANESE STEEL) is the best choice for wear resistant materials such as strong impact, high pressure material wear, etc., and it has work hardening characteristics unmatched by other wear resistant materials. Under high impact or large contact stress, the surface of the high manganese steel sheet is hardened, the surface hardness is rapidly increased from HB200 to HB500, resulting in a highly wear-resistant surface layer, while the steel plate inner layer of austenite remains good The impact toughness.
High-manganese wear-resistant steel has a high carbon content, and the mass fraction of carbon reaches wC=0.9%-1.45% and wMn=11-14%. Since high-manganese wear-resistant steels are easily cold-formed and strengthened, it is difficult to carry out cutting operations. Therefore, high-manganese wear-resistant steel parts are mostly cast. However, in 2002, Shanghai rolled out Mn13 rolled steel plates. Performance is much higher than castings and general wear-resistant steel.
The letter “ZG†(indicating the cast steel) is denoted by the symbol Mn and the percentage thereof. GB/T 5680-1998 contains a total of five brands: ZGMn 13-1, ZGMn 13-2, ZGMn 13-3, ZGMn 13-4, ZGMn 13-5. The composition and performance of these five brands are slightly different.
Corresponding foreign brands EN: X120Mn12, DIN: 1.3401, ASTM: A128, etc. Currently Mn13 rolled steel plate has no national standard, only TISCO's corporate standard Q/TX046-2009.
The source of knowledge is Baidu Encyclopedia, published by.
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