Coated electrode suitable for the welding of gray cast iron part

Details Coated electrode suitable for the welding of gray cast iron part Coated electrode suitable for the welding of gray cast iron part

1978-11-08

1980-09-30

Kucia, Richard R.

Electric heating

Metal heating

For deposition welding

2191461, 21914624, B23K 3530

Patent

active

042257689

ABSTRACT:
A coated electrode suitable for the welding of gray cast iron is provided comprising a core of iron or iron alloy with a coating thereon of a composition which on the dry weight basis contains 5% to 10% of a binder of an alkali metal silicate, 25% to 50% by weight of ferrovanadium containing 40% to 85% vanadium, 20% to 40% powdered iron, 15% to 20% BaCO.sub.3, 10% to 20% CaF.sub.2, and 1% to 3% ferrosilicon containing 30% to 80% silicon. It is preferred in welding a gray cast iron part to so arrange the electrode relative to the part so that the arc thereof is directed at an angle between 30.degree. and 60.degree. to the substrate surface so that the heat of the arc is not applied directly to the surface of the cast iron substrate but is absorbed substantially by the weld bead formed during welding.

REFERENCES:
patent: 1942364 (1933-05-01), Rood
patent: 2855333 (1958-10-01), Wasserman
patent: 3108020 (1963-10-01), Willigen
patent: 3995139 (1976-11-01), Bouvard
patent: 4103067 (1978-07-01), Jackson

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