高品质钨极钨棒镧钨电极 TIG焊接 氩弧焊 WL15 规格1.6mm*175mm（支持定制）
Type | Designation | OxideAdditive | Impurity Content | Tungsten | Color Sign | |
Type | Content% | |||||
PureW | WP | / | / | <0.20 | Balance | Green |
WY | WY20 | Y2O3 | 1.8-2.2 | Blue | ||
WC | WC20 | CeO2 | Grey | |||
WT | WT10 | ThO2 | 0.8-1.2 | Yellow | ||
WT20 | 1.7-2.2 | Red | ||||
WL | WL10 | La2O3 | Black | |||
WL20 | LightBlue | |||||
WZ | WZ3 | ZrO2 | 0.2-0.4 | Brown | ||
WZ8 | 0.7-0.9 | White | ||||
