Component% |
C碳 |
Cr铬 |
Mn锰 |
W钨 |
Si硅 |
V钒 |
0.95 |
0.50 |
1.20 |
0.55 |
0.30 |
0.12 |
Calibration of leaving factory: Anneal, the highest hardness can reach to 225HB.
Characteristic: This steel is of high-carbon alloy steel, high in wearing and toughness, small in deforming.
Use: It is adapted for every cutting tool, cold die, stamping mould, covering mould, plastic mould, screw mould, wood cutting tool and so on.
Forging: Forge from 1050℃ to 850℃; and then back to furnace to cool.
Anneal: Cool in gas furnace slowly in 710-750℃.
Stress removing: Preserve for 1-2h in furnace in 650℃.
Quenching: Preserve in 780-820℃ and then quench oil or quench fire in nitric acid in 200-250℃; then cool to 50-70℃ and back fire immediately.
Backfire: The temperature and time may refer to the chart.
Specification: round (MM)
6 8 10 11 12 13 15 20 23 25 28 32 35 38 45 47 50 57 60 63 70 76 82 90 95 102 108 115 120 130 135 140 155 165 180 190 205 215 230 255 285 305 330 360 385 410
Flat (MM)
3X20-25-32-38-50-63-76 4.5X20-25-32-38-50-63-76 6X20-25-32-38-50-63-76-102 8X20-25-32-38-50-63-76-102 10X20-25-32-38-45-50-57-63-76-102-127-155 12X20-25-32-38-45-50-63-76-90-102-115-127-155-180-205-225 15X25-32-38-45-50-57-63-76-90-102-115-127-155-180-205-225 20X25-32-38-45-50-63-76-90-102-115-127-140-155-180-205-225 32X38-45-50-63-76-90-102-115-127-155-180-205-225-305-360 38X45-50-63-76-90-102-115-127-155-180-205-305-360 50X90-102-115-127-155-205-255-305-360-407 63X90-102-115-127-155 |