Flux-cored wire electrode suitable for use in gas-shielded arc-w

Details Flux-cored wire electrode suitable for use in gas-shielded arc-w Flux-cored wire electrode suitable for use in gas-shielded arc-w

1983-11-30

1985-04-09

Envall, Jr., Roy N.

Electric heating

Metal heating

Weld rod composition

21914624, B23K 3500

Patent

active

045103747

ABSTRACT:
A flux-cored wire electrode suitable for use in gas-shielded arc-welding, characterized in that the sum of the carbon content in the sheath made of soft steel and the carbon content in a lubricant adhered on the sheath is 0.045 wt. % or lower relative to the total weight of the sheath and a flux, which contains 20-50 wt. % of TiO.sub.2, 1-15 wt. % of SiO.sub.2, 2.5-10 wt. % of ZrO.sub.2, 0.1-5 wt. % of an arc-stabilizing agent, 10-45 wt. % of a deoxidizer and up to 50 wt. % of iron powder, all based on the total weight of the flux, is filled to an amount of 10-30 wt. % of the total weight of the wire electrode in the cavity surrounded by the sheath. The above flux-cored wire electrode features a low fume emission rate comparable with that of a solid wire electrode.

REFERENCES:
patent: 4245145 (1981-01-01), Maniar et al.
patent: 4366364 (1982-12-01), Arai et al.
patent: 4397811 (1983-04-01), Puschner et al.

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