B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
327/47
B23K 35/30 (2006.01) B23K 35/368 (2006.01)
Patent
CA 1312123
L-7645 CONSUMABLE WELDING ELECTRODE AND METHOD OF USING SAME Abstract of Invention An improved consumable electric arc welding electrode having an outer fer- rous metal sheath, such as a low carbon steel sheath, which is formed around a generally concentric core of compressed particulate fill material to be used fordepositing an all weld metal of steel in multiple passes with a minimum tensile strength of about 72,000 psi and a minimum elongation of about 22 percent where-in the fill material includes aluminum in an amount greater than about 1.50 per-cent of the total electrode weight to provide a correlated amount of aluminum inthe deposited metal. This improvement involves a particulate fill material pro-ducing a combination of nickel and manganese content in the range of 2.5-4.0 percent by weight of the total electrode with the nickel being greater than about 0.5 percent, the manganese being in the range of 0.7-2.0 percent and both the aluminum and the carbon in the fill material being properly controlled whereby the deposited all weld metal, when the sheath and core materials are melted and deposited, has a percentage by weight of aluminum greater than about 1.20 percent and a percentage of carbon by weight of less than about .12 per- cent.
586281
Crockett Dennis Dell
Munz Robert Philip
Gowling Lafleur Henderson Llp
Lincoln Global Inc.
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