Japan SKD11 in datong DC53 steel based on improved, hardness higher SKD11,
High temperature (520-53 ° c) after tempering can reach high hardness, 63HRC 62 - more than SKD11 in intensity.
2 and toughness is SKD11 twice. DC53 toughness in the cold die in,
Therefore, the use of DC53 cracks, and few can greatly improve the service life.
3, wire-cutting processing of residual stress, high-temperature tempering reduced residual stress.
Therefore, the large moulds and requirements of precision mould in wire-cutting plus |
