NACHI-FUJIKOSHI CORP.
Special Steels
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MCR1
8Cr type steel series for cold working die that toughness, grindability and resistance to temper softening of SKD11 are improved respectively
| MCR1: | Good wear resistance due to the distribution of hard MC carbide. Steel with high toughness for mold that particle size of carbide is controlled. |
Applications
Punch, Trimming die, Shear blade, Cutting die, Slitter knife, Screw rolling die, Cold header die, Cold tool steels which require toughness and Wear resistance, etc.
Heat treatment conditions
| NACHI Grade |
Annealing | Austenitizing | Tempering | Hardness (HRC) |
|||
|---|---|---|---|---|---|---|---|
| Temperature (°C) | Hardness (HB) | Temperature (°C) | Cooling | Temperature (°C) | Times | ||
| MCR1 | 850 880 |
< 255 | 10501100 |
Air cooling | 520600 |
More than twice | 5562 |