Tungsten Crucibles for Quartz Glass Melting Furnace
Specifications
GETWICK Tungsten Crucible1.Standard:ASTM
2.Grade:W1,W2,WAL1
3.Density:>=19.2g/cm3
4.Melting Point:>=3620C
tungsten smelting crucible specification |
1 Purity :W≥99.95%;
2 Density:≥19.2g/cm3;
3 Application temperature environment:2300°C.
4 Measurements and tolerances
Unit:mm
Delivery condition |
Specification |
Tolerance |
Thickness |
Roughness (μm) |
||||||
Diameter |
Height |
Diameter |
Height |
|||||||
Sinter |
10~500 |
10~750 |
±5.0 |
±5.0 |
8~20 |
|
||||
Finished sinter |
10~450 |
10~550 |
±0.5 |
±1.0 |
7~18 |
<2.5 |
||||
Special sizes can be manufactured based on customers' requirements
5 Manufacturing process and equipment
Item |
Process |
Equipment |
Quality Check point |
1 |
Tungsten powder |
|
1 Purity of tungsten powder |
2 |
Sieving |
High frequency vibrating screen |
2 Fsss,HB |
3 |
Mixed powder |
V shape mixer |
3 Green strength |
4 |
Isostatic pressing |
Isostatic pressing machine |
1 Measurement of rough-processed billet |
5 |
Rough billet lathing |
CNC vertical turning machine |
2 Surface quality of rough-processed billet |
6 |
IF sintering |
IF induction sintering furnace |
1 Outside measurements of finished product |
7 |
Competitive products lathing |
High-accuracy vertical turning machine |
2 Surface quality and roughness of finished product,density |
8 |
Package |
|
3 Show certificate of quality |
tungsten smelting crucible photo shows |
Why Choose GETWICK? |
1 |
More than 3000 products are available. |
2 |
An ISO9001:2008,ISO14001,CE Certified. |
3 |
Offer you professional rare metal products and customized services. |
4 |
We feedback in 24 hours online and provide professional advice on products. |
5 |
With an annual output of 300 MT of tungsten & molybdenum and other precious metals. |
6 |
More than six years experiences, Winning customers ’trust and satisfaction from all over the world. |
About GETWICK Certificate |
About GETWICK Factory |
Packaging information |
Type of payment |
Welcome to visite our company and make cooperation~~
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