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Refractory Metal Materials and Products
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Features and
advantages of tungsten products
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High
melting point (3410 ºC) |
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Low
thermal expansion and good thermal conductivity |
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High
electrical resistance |
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Easy to machine |
Typical Applications
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Electronic industry |
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Lighting industry |
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Vacuum plating |
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Medical technologies |
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Electrodes for vacuum
sintering furnace |
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Heating elements |
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Heat resistant
shield |
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Tungsten Strip |
Tungsten Rod |
High Density Tungsten Alloy |
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W and w alloy Products |
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Products
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Dimensions
（mm）
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Specifications
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Characteristics & Applications
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W Plate
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>1.0¡Á450¡ÁL
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GB3875-83/ASTM B760-86
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* Melting Point: 3410 ºC
* Density:19.3g/cm3
* High quality, workability
* Widely used in electronic, lighting, vacuum plating, pharmacy,
electrode, heater, shield, etc.
¡¡ |
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W Sheet
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>(0.1-0.9)¡Á450¡ÁL
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GB3875-83/ASTM B760-86
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W Strip
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(0.1-0.4¡Á0.2)-0.8¡ÁL
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Q/XY1102-2002
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W Rod
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(Φ3-Φ60)¡ÁL
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GB4187-84
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W Alloy Plate
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(1.0-5.0)¡Á450¡ÁL
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ASTM B777-87
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W Alloy Rod
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(Φ10-Φ60)¡ÁL |
ASTM B777-87
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Tungsten powder |
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Average Particle Size (μm) |
Oxygen Content %
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<1
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≤0.3 4
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1-2
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≤0.25
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2-4
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≤0.15
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4-6
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≤0.10
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6-8
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≤0.07
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8-12 |
≤0.07
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Tungsten powder |
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Grade |
FW1
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FW2 |
FWP-1 |
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W Min%
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99.95
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99.9 |
99.9 |
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Sieve Size
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75μm(-200 mesh) |
75-45μm(-200-¡À320
mesh) |
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Applications
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For large W plate and W/Re thermocouple
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For contact alloy and high density shielding
materials |
for plasma spray coating materials |
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Tungsten carbide
powder |
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Grade |
FWCA
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FWCB |
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W Min%
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99.8
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99.7 |
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Carbon Content
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C % |
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6.13¡À0.05 |
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C % |
≥6.07 |
≥6.05 |
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C % |
≤0.06 |
≤0.08 |
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Applications
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For producing cemented carbide |
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Tungsten carbide powder |
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Products
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Average Particle Size (μm)
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O max %
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Fe max %
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Sieve Size |
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FWCA08-10
FWCB08-10
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≥0.80-1.00
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0.18
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0.02 |
≥150μm
(-100 mesh) |
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FWCA10-14
FWCB10-14
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>1.00-1.40
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0.15
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>1.40-1.80
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0.15
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>1.80-2.40
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0.12
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≥75μm
(-200 mesh) |
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>2.40-3.00
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0.10
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>3.00-4.00 |
0.08
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FWCA40-50
FWCB40-50
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>4.00-5.00 |
0.08 |
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FWCA50-70
FWCB50-70
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>5.00-7.00 |
0.08 |
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FWCA70-100
FWCB70-100
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>7.00-10.00 |
0.05 |
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FWCA100-140
FWCB100-140
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>10.00-14.00 |
0.05 |
0.03 |
≥180μm
(-80 mesh) |
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FWCA140-200
FWCB140-200
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>14.00-20.00 |
0.04 |
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FWCA200-260
FWCB200-260
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>20.00-26.00 |
0.04 |
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Tungsten wire |
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Diameter (μm) |
Weight of 200mm Wire
(mg) |
W Content (%) |
Tolerance in Weight of 200 mm Wire(%)
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Min Length (m) |
Pool Diameter (mm) |
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5¡Üd¡Ü12
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0.075~0.44 |
99.65 |
¡À5 |
1.000 |
80 |
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12<d¡Ü18
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>0.44~0.98 |
99.65 |
¡À4
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2.000 |
80 |
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18<d¡Ü40
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>0.98~4.85 |
99.65 |
¡À3
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1.500 |
80 |
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40<d¡Ü80
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>4.85~19.39 |
99.65 |
¡À2.5
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700 |
80 |
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80<d¡Ü300
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>19.39~272.71 |
99.65 |
¡À2.0
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500 |
80/120 |
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300<d¡Ü350 |
>272.71~371.19 |
99.65 |
¡À1.5
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200 |
120 |
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350<d¡Ü500 |
- |
99.65 |
¡À2.0 |
100 |
210 |
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500<d¡Ü1800 |
- |
99.65 |
¡À1.5 |
200 |
350/600 |
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Application:
Filament for single or double spiral lamp, fluorescence lamp,
energy-saving lamp, single-end halogen lamp and hi-temp lamp |
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White Tungsten wire |
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Diameter (μm) |
Weight of 200mm Wire (mg) |
W Content (%) |
Tolerance in Weight of 200 mm Wire
%
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Min Length (m) |
Pool Diameter (mm) |
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5¡Üd¡Ü12
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0.075~0.44 |
99.65 |
¡À5 |
1.000 |
30~40 |
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12<d¡Ü18
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>0.44~0.98 |
99.65 |
¡À4
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2.000 |
30~40 |
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18<d¡Ü40
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>0.98~4.85 |
99.65 |
¡À3
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1.500 |
80 |
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40<d¡Ü80
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>4.85~19.39 |
99.65 |
¡À2.5
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700 |
80 |
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80<d¡Ü300
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>19.39~272.71 |
99.65 |
¡À2.0
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500 |
120 |
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Application:
Replacing black tungsten wire, reduced production procedures. |
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Properties:
Uniform in diameter, finished surface, improved winding and high
temperature resistance |
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¡¡ |
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Tungsten Lanthanum Plate |
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Diameter (mm) |
W Content (%) |
Tolerance(%)
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Min Length (m) |
|
Bar |
Polished Bar |
Bar |
Polished Bar |
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0.8~1.0
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97.92 |
¡À2.0 |
¡À0.03 |
500 |
400 |
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1.0~3.0
|
97.92 |
¡À2.0 |
¡À0.03
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400 |
350 |
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3.0~5.0
|
97.92 |
¡À2.0 |
¡À0.05
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300 |
250 |
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5.0~6.5
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97.929 |
¡À2.0 |
¡À0.05
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200 |
200 |
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6.5~10
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97.92 |
¡À2.0 |
¡À0.08
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170 |
170 |
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Application:
Arc welding, plasma welding and cutting |
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¡¡ |
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Tungsten Bar |
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Diameter (mm) |
W Content (%) |
Tolerance(%)
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Min Length (m) |
|
Bar |
Polished Bar |
Bar |
Polished Bar |
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0.8~1.0
|
99.95 |
¡À2.0 |
¡À0.03 |
1,000 |
800 |
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1.0~3.0
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99.95 |
¡À2.0 |
¡À0.03
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800 |
600 |
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3.0~5.0
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99.95 |
¡À2.0 |
¡À0.05
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600 |
400 |
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5.0~6.5
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99.95 |
¡À2.0 |
¡À0.05
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300 |
300 |
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6.5~11.0
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99.95 |
¡À2.0 |
¡À0.08
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200 |
200 |
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Application:
Lamp electrode, magnetron, lamp holder and grids |
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¡¡ |
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Tungsten Bar |
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Diameter (mm) |
W Content (%) |
Tolerance(%)
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Min Length (m) |
|
Bar |
Polished Bar |
Bar |
Polished Bar |
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0.8~1.0
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99.95 |
¡À2.0 |
¡À0.03 |
1,000 |
800 |
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1.0~3.0
|
99.95 |
¡À2.0 |
¡À0.03
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800 |
600 |
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3.0~5.0
|
99.95 |
¡À2.0 |
¡À0.05
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600 |
400 |
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5.0~6.5
|
99.95 |
¡À2.0 |
¡À0.05
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300 |
300 |
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6.5~11.0
|
99.95 |
¡À2.0 |
¡À0.08
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200 |
200 |
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Application:
Lamp electrode, magnetron, lamp holder and grids |
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