Patent ID: 11890703
Assignee: ILLINOIS TOOL WORKS INC.
Field: Machine tools (Mechanical engineering)
Classification: CPC B  C | IPC B  C

Claim 0:
1. An Al—Si—Mg welding filler metal consisting of:
5.0 to 6.0 wt % silicon;
0.1 to 0.5 wt % magnesium;
0.2 to 0.3 wt % iron;
0.05 to 0.3 wt % copper; and
the balance being aluminum and trace elements,
wherein the trace elements consist of:
a maximum allowable amount of manganese of 0.05 wt %;
a maximum allowable amount of zinc of 0.2 wt %;
a maximum allowable amount of titanium of 0.2 wt %;
a maximum allowable amount of beryllium of 0.0003 wt %; and
other trace elements are allowable in a maximum weight percent of 0.05% each, the other trace elements together being allowable in a maximum weight percent of 0.15% total; and

wherein the Al—Si—Mg welding filler metal is a welding filler metal rod or wire for alloying with a base metal of a workpiece to produce a weld.