1. © GNU Su-Jin Kim Atomic Bonding Material Science Material Science HW2 DIES STEEL 2010012202 Min kyeonguk Mechanical Engineering GNU

2. © GNU Su-Jin Kim Atomic Bonding Material Science Dies steel Machining of steel - bending, blanking, drawing, forging Hot working, Cold woring Skd6,61 sks96 sc450 sc400 sk5

3. © GNU Su-Jin Kim Atomic Bonding Material Science Features1 HOT WORKING forging Higher hardness and toughness High heat resistance. Eesy heat treatment Low heat treatment strain Good processability. Ni-Cr alloy, Ni-Cr-Mo alloy

4. © GNU Su-Jin Kim Atomic Bonding Material Science Features 2 Cold working Blanking, Bending Higher hardness and toughness High heat resistance. Eesy heat treatment Low heat treatment strain Good processability Higher heat resistance Cr-W alloy, Cr-W-Mn alloy

5. © GNU Su-Jin Kim Atomic Bonding Material Science PRODUCTS

6. © GNU Su-Jin Kim Atomic Bonding Material Science Thank you