主要成份% |
C碳 |
Si矽 |
Mn锰 |
Cr(铬) |
W钨 |
V(钒) |
Mo钼 |
VP磷 |
S硫黄 |
0.85 |
0.45 |
0.45 |
4.00 |
5.80 |
1.80 |
4.80 |
0.03 |
0.01 |
Forging: 1.100~900℃ Anneal: Heat up to 800-850℃ and stay for 2-4 hours in this temperature; then cool it slowly in furnace. Quenching: Pre-heat up to 550-600℃; then secondarily heat up to 950℃; and again heat up to 1,220~1250℃;b:1,200℃~1230℃; quench in oil but the temperature must be kept in 40-60℃ (a. general tools; b. complex flexible tools) Backfire: Heat up slowly to 550-570℃ and stay in this temperature; then cool in still air and back fire again. Hardness: more than HRC63℃; Uses: This steel is of high-speed tungsten steel. It is adapted for making various wear-resistance and impact-resistance for sharp cutting, high-grade punching dies, screw dies, complex and flexible tools, milling cutters, aiguilles and so on. Specification 3.2X32-40-50-65-80-105-130-155-205-255-305-380 4.5X32-40-50-65-80-105-130-155-205-255-305-380 6X32-40-50-65-80-105-130-155-205-255-305-380 8X32-40-50-65-80-105-130-155-205-255-305-380 10X32-40-50-65-80-105-130-155-205-255-305-380 13X32-40-50-65-80-105-130-155-205-255-305-380 16X32-40-50-65-80-105-130-155-205-255-305-380 19X32-40-50-65-80-105-130-155-205-255-305-380 22X32-40-50-65-80-105-130-155-205-255-305-380 26X32-40-50-65-80-105-130-155-205-255-305-380 32X32-40-50-65-80-105-130-155-205-255-305-380 38X32-40-50-65-80-105-130-155-205-255-305-380 45X32-40-50-65-80-105-130-155-205-255-305-380 50X32-40-50-65-80-105-130-155-205-255-305-380 |