punch for die China Supplier
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Yukai Precision Mold Co., Ltd.
Material DC53(equivalent to SKD11) Hardness 60-63HRC
Material SKH51 Hardness 61-64HRC
Material HAP40(SKH40) Hardness 64-67HRC ,
Vacuum furnace heat treatment and advanced tempering technology enable the DC53 (EQUIVALENT TO SKD11 ) has better properties in toughness, grind-resistance and hardness at high temperature compared to SKD11 and SKD12.
The strength at the joint part of shoulder and pin has been significantly increased.