Flux-cored arc welding tubular electrode

Details Flux-cored arc welding tubular electrode Flux-cored arc welding tubular electrode

1982-09-29

1984-02-07

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75123N, 2191461, 21914641, 21914522, 148 23, 148 24, C22C 3854, B23K 3536

Patent

active

044301227

ABSTRACT:
A flux-cored welding tubular electrode is provided made of a low-carbon steel strip having confined therein a uniform mixture of alloying ingredients and fluxing compounds in such proportion that substantially the total composition of the welding electrode including the low-carbon steel sheath consists essentially by weight of about 4.5 to 6% B, about 1.5 to 3.2% Mn, about 1.5 to 2.75% Ni, about 1.3 to 2.25% Si, about 0.375 to 1.2% C, about 2 to 6% of flux material compatible with the alloying ingredients, and the balance essentially iron. The composition of the electrode is proportioned such that the weld deposit produced from the electrode consists essentially by weight of about 0.4 to 0.8% C, about 4.8 to 6.2% B, about 1.6 to 3.0% Mn, about 1.6 to 2.8% Ni, about 1.4 to 2.4% Si, and the balance essentially iron.

REFERENCES:
patent: 4122238 (1978-10-01), Frantzerb, Sr.

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