W1 Tungsten sheet plate for heating element in high-temperature furnace
the tungsten high melting point (3400 °C), high-density (19.3 g/cm3), sound velocity (4.03 km/s), good ductility characteristics of pure metal state and tungsten alloy state is widely used in modern technology, alloy is the main is a state of alloy steel, with tungsten carbide based hard alloy, and the strong heat resistant alloy alloy.
Tungsten sheet is widely used in rotating anode of X-ray tube, heating element in high-temperature furnace, reflective shield, cover of the sapphire growth furnace, heat tape, heat insulation screen, vacuum coating equipment, high-temperature resisting boat.
1. Chemical Compositions
Grade | Tungsten Content | Contents of Impurity Elements | |
Total Content | Content of Each Element | ||
WAL1,WAL2 | ≥99.95% | ≤ 0.05% | ≤ 0.01% |
W1 | ≥99.95% | ≤0.05% | ≤0.01% |
W2 | ≥99.92% | ≤0.08% | ≤0.01 % |
Note: potassium is not counted in the impurity content | |||
2.Process for tungsten sheet:
APT→→powder→→reduction suppression (sintering/car processing)→→products→→rooted (spin forging/rolling)→→stretching→→sheet
3. Size
brand | specification | ||
thickness(mm) | width(mm) | length(mm) | |
Tungsten plates | 2~15 | <350 | <600 |
1~2 | <500 | <1000 | |
0.5~1 | <550 | <1000 | |
0.3~0.5 | <400 | <1000 | |
0.2~0.3 | <350 | <800 | |
4.Application:
* Manufacturing of electric light sources and electric vacuum parts;
* Used as high-temperature heating bodies and high-temperature structural parts;
* Manufacturing of electric contact points;
* Used as electrodes in the rare earth industry.