Treatment process for high strength wear-resistant steels
High-strength wear-resistant steel through a special heat treatment process, the steel has both high strength and high toughness, and good forging processability. Wear resistance is more than 2 times higher than high manganese steel and high chromium steel. Room temperature mechanical strength tensile strength MPa: 1950; yield strength MPa: 1600; elongation %: 17; section shrinkage %: 30; (notched specimen) impact value (impact toughness) HRC: Ultra-high-strength wear-resistant steel through the rare earth metamorphic alloying.
Through a certain process to obtain nanoscale bainite / martensite complex phase organization, its tensile strength of 1,950 MPa, elongation after fracture 17%, section shrinkage rate of 38%, HRC55,Aku72J, strong toughness and comprehensive performance is good, very strong toughened theoretical research value and application of the value of promotion. The steel has good machinability and forging performance and welding performance. After isothermal quenching treatment, the strong plastic product reached 51GPa%. High strain rate deformation ballistic test pointed out.
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