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tungsten electrode sharpener
pre-ground electrodes tungsten electrode sharpener
| 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
| 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 | G | |||
sharpened tungsten electrode









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