| 摘要 |
FIELD: process engineering. ^ SUBSTANCE: invention can be used in welding by non-consumable electrode in atmosphere of argon from copper-nickel alloys with content of nickel of 10-20%, particularly alloys of the type "£û£å" 11-1.1-0.6. Flux contains the following components, in wt %: aluminium fluoride - 44-50, calcium fluoride - 12-16, potassium fluoride - 10-20, borated anhydride - 10-20, amorphous boron - 8-10. ^ EFFECT: higher quality of seams and larger penetration depth of main metal. ^ 1 tbl |
