Basic metal cored electrode

Electric heating – Metal heating – Weld rod structure

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219137WM, 21914624, B23K 3522

Patent

active

052256618

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.

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Brady et al, "Materials Handbook", 1977, pp. 313-314.
Article "A Fluoroplastic Material in flux-cored strip to reduce the hydrogen content of deposited metal" Author: V V Chigareu and A R Ostroushko, Magazine: Avt. Svarka, 1985, No. 1, pp. 45-47.

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