Main Products: Tungsten ,Molybdenum ,Tantalum ,Niobium ,Zirconium
For electrophysiology tungsten electrodes
USD $1 - $100 /Kilogram
Min.Order:20 Kilograms
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Xi'an Xinheng Rare Metal Co., Ltd.
Business Type: Trading Company
Shaanxi ChinaMain Products: Tungsten ,Molybdenum ,Tantalum ,Niobium ,ZirconiumProduct Details
For electrophysiology tungsten electrodes
1. Physical and chemical properity:
1) purity:W≥99.95%
2) Density:≥18.3 g/cm 3
3)Maximum service temperature:2450°C
2.Advantage:
1) precise machining tolerance.
2) high quality and purity of tungsten crucible.For electrophysiology tungsten electrodes
3) factory price
3.Dimension and tolerance
State supply | Specification | Tolerance | Wall thickness(mm) | toughness(μm) | ||
diameter(mm) | hight(mm) | diameter(mm) | hight(mm) | |||
Sintering state | 70-500 | 50-750 | ±5.0 | ±5.0 | 8-20 | <2.5 |
Finish machining | 70-450 | 50-550 | ±0.5 | ±1.0 | 6-18 | <2.5
|
4. Photos for tungsten electrode
Note:When you need other tungsten electrode, please send us the inquiry including designation and length*diameter.
Specification of 2 thoriated tungsten electrodes
| Diameter, mm ( inch ) | Diameter Tolerance,mm | Length, mm | Length Tolerance, mm | Standard |
| 1.0 ( 0.040 ) | ±0.05 | 50, 75, 150, 175 | ±1.0 | ISO 6848
AWS A5.12
|
| 1.6 ( 0.0625 ) | ||||
| 2.0 ( 0.0781 ) | ||||
| 2.4 ( 0.0938 ) | ||||
| 3.2 ( 0.125 ) | ±0.1 | |||
| 4.0 ( 0.156 ) | ||||
| 4.8 ( 0.187 ) | ||||
| 6.4 ( 0.250 ) | ||||
| 8.0 ( 0.312 ) | ||||
| 10.0 ( 0.391 ) |
Chemical Composition of 2 thoriated tungsten electrodes
| Designation | Composition | Color Mark | |||
| Dioxide | Dioxide in% | Impurites % | Tungsten % | ||
| WP | - | ≤0.20 | 99.8 | Green | |
| WT20 | ThO2 | 1.70-2.20 | Remainder | Red | |
| WZr3 | ZrO2 | 0.2-0.4 | Brown | ||
| WZr8 | 0.70-0.90 | White | |||
| WL10 | La2O3 | 0.90-1.20 | Black | ||
| WL15 | 1.40-1.60 | Gold | |||
| WL20 | 1.90-2.10 | Blue | |||
| WC20 | CeO2 | 1.80-2.20 | Gray | ||
Shaanxi Xinheng Rare Metals Co.,Ltd founded in 2003,is based on hungsten molybdenum mining,selection,smelting,processing,production,and trade as intergrated rare metals company.we have 20 ton per month powerful Production Ablity of rare metals.
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