Covered electrode for arc welding

Details Covered electrode for arc welding Covered electrode for arc welding

1978-03-27

1980-05-27

Kucia, Richard R.

Electric heating

Metal heating

Weld rod structure

148 23, 148 24, 148 26, 2191461, B23K 35365

Patent

active

042052181

ABSTRACT:
A covered electrode for arc welding is disclosed which exhibits tight adhesion between the cover material and the core wire and provides good arc stability. This covered electrode comprises a core wire coated with a coating composition comprising (a) a powdered mixture of an inorganic oxide, carbonate and fluoride, (b) an alkali silicate and (c) 0.001 to 5.0% by weight of pullulan based on the alkali silicate.

REFERENCES:
patent: 1778392 (1930-10-01), Kinkead
patent: 2209829 (1940-07-01), Rasmussen
patent: 2745771 (1956-05-01), Pease
patent: 2993407 (1960-04-01), Witt
patent: 3108020 (1963-10-01), Willigen
patent: 3235405 (1966-02-01), Quaas
patent: 3372057 (1968-03-01), Seifahrt
patent: 3856625 (1974-12-01), Imrie

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