| 摘要 |
FIELD: process engineering.SUBSTANCE: invention may be used in hidden arc welding. Ceramic flux additive comprises marble and ferrosilicon waste dust as well as soda ash and potassium-sodium liquid glass at the following ratio of components in wt %: marble 24-60, ferrosilicon 20-63, soda ash 0.01-11, and potassium-sodium liquid glass 9-13.EFFECT: higher quality of weld seam, lower costs.1 tbl |
