Patent ID: 11958140
Assignee: GENERAL CABLE TECHNOLOGIES CORPORATION
Field: Machine tools (Mechanical engineering)
Classification: CPC B  C | IPC B  C

Claim 0:
1. An aluminum welding alloy comprising:
about 2.4% to 4.7%, by weight, magnesium;
about 0.25% or less, by weight, zinc;
about 0.4% or less, silicon;
about 0.7% or less, iron;
about 0.4% or less, copper;
about 0.05% to about 0.20% chromium;
about 0.2% or less, titanium;
about 0.01% to about 0.1%, by weight, calcium and/or about 0.01% to about 1.5%, by weight, strontium as one or more surface active elements;
optionally about 0.01 to about 1.5%, by weight, of one or more arc stabilizer elements; and
the balance is aluminum; and
wherein the aluminum welding alloy is substantially free of zirconium and exhibits a welding efficiency of about 82% or greater.