Brand Name: ZZOK
Model Number: Tungsten
Place of Origin: China
Tungsten Plate, Sheet, Foil
It is used for smelting of rare earth metals, heating elements of induction furnace, heating elements of rare earth metals, smelting of quartz, glass and for high-temperature containers.
Table 1 Chemical Requirements | ||||||||
Grade | Chief | Impurity Maximum, % | ||||||
W | O | Fe | Mo | K | AI | Si | others | |
W-1 | ≥99.95 | 0.5 | 0.002 | 0.003 | 0.006~0.016 | 0.003~0.01 | 0.015~0.033 | 0.001 |
ASTM B760-86, GB/T3875-83. Special requirements to be agreed on the supplier and buyer |
Table 2 Size and Tolerance of Tungsten Plate, Sheet, Foil | ||||||
Thickness, mm | Tolerance, mm | Width, mm | Tolerance, mm | Length, mm | Tolerance, mm | Status |
<0.2 | 0.01~0.02 | 50~150 | +2.0/-0 | 500 | +2.0/-0 | Cold rolling |
0.3 | 0.01~0.03 | 50~250 | +2.0/-0 | 500 | +2.0/-0 | |
0.4 | 0.01~0.04 | 50~250 | +2.0/-0 | 500 | +2.0/-0 | |
0.5 | 0.01~0.05 | 50~300 | +2.0/-0 | 500 | +2.0/-0 | |
0.8 | 0.02~0.08 | 50~300 | +0.4/-0 | 500 | +4.0/-0 | |
1.0 | 0.02~0.10 | 50~300 | +0.4/-0 | 600 | +4.0/-0 | |
1.5 | 0.02~0.15 | 50~400 | +0.4/-0 | 600 | +4.0/-0 | |
2.0 | 0.02~0.20 | 50~500 | +0.4/-0 | 700 | +4.0/-0 | |
3.0 | 0.02~0.30 | 50~500 | +0.4/-0 | 600 | +4.0/-0 | Hot rolling |
4.0 | 0.02~0.40 | 50~500 | +0.4/-0 | 600 | +4.0/-0 | |
≥5.0 | 0.05~0.40 | 50~550 | +0.4/-0 | 600 | +4.0/-0 |