Low hydrogen basic metal cored electrode

Details Low hydrogen basic metal cored electrode Low hydrogen basic metal cored electrode

1990-03-19

1991-10-08

Shaw, Clifford C.

Electric heating

Metal heating

Weld rod structure

21914622, B23K 3522

Patent

active

050556550

ABSTRACT:
A consumable welding element for arc welding comprising a steel sheath surrounding a compacted core containing metal alloying powders and an essentially 100% basic compound in an amount less than about 1.60% of the total weight of said element. The basic compound is calcium fluoride powder which is preferably in the range of about 0.1% to about 0.9% calcium fluoride powder by total weight of the element. As another feature the core of the element contains a specific agent for decreasing the amount of diffusible hydrogen in the weld metal. This new element may be a filler metal for TIG welding; however, it is preferably a consumable electrode for MIG welding.

REFERENCES:
patent: 3318729 (1967-05-01), Siegle et al.
patent: 3392263 (1968-07-01), Tichelaar et al.
patent: 3539765 (1970-11-01), Duttera et al.

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