DC53
Tool and Die Steel
DC53 steel boasts twice the toughness of SKD11, making it suitable for complex punching and drawing dies, with significantly improved resistance to cracking and chipping. Even after high-temperature tempering at 520-530°C, it still achieves a hardness of 61-63 HRC, reducing the risk of cracking accidents caused by residual stress in wire-cut machining dies. Suitable for surface hardening, it significantly extends the life of the mold. With high hardenability and wear resistance, and minimal dimensional change during quenching, it is a widely used cold-work die steel.
- Product Description
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1. Product Introduction: DC53 steel boasts twice the toughness of SKD11, making it suitable for complex punching and drawing dies, with significantly improved resistance to cracking and chipping. Even after high-temperature tempering at 520-530°C, it still achieves a hardness of 61-63 HRC, reducing the risk of cracking in wire-cut die processing due to residual stress. Suitable for surface hardening, it significantly extends the life of the die. With high hardenability and wear resistance, and minimal dimensional change during quenching, it is a widely used cold-work die steel.
2. Main characteristics: anti-chipping, high wear resistance, good hardenability, and small dimensional change after heat treatment.
3.Chemical composition:
Brand
chemical composition
C
Mn
Sr
Cr
Mo
V
S
P
Special elements
DC53
1.00
0.35
1.00
8.00
2.10
0.35
0.002
0.015
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4. Steel application:
Blanking dies, cold extrusion dies, cold drawing dies
Precision blanking by wire cutting and various stamping dies
High-speed blanking punch, stainless steel plate punch
5. Brand
Fugang Similar brands China (GB) Austria (BOHLER) Japan(JIS) United States (AISI) Sweden (ASSAB) DC53 Cr8Mo2VSi K340 DC53 A8 ASSAB88 6. Steel processing technology
project Heating temperature, °C Cooling method hardness annealing 820-840 Slowly cool to 500°C at 30°C/h and remove from the oven <241HB annealing 1020-1040 Oil cooling or air cooling 62-65 Tempering Plan 1: 180-200 air cooling 60-62 Plan 2: 500~550 (2 times) air cooling 60-63
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