Children with microcephaly often have developmental issues. Generally there's no treatment for microcephaly, but early intervention with supportive therapies, such as speech and occupational therapies, may help enhance your child's development and improve quality of life.
Spool of .035 Aluminum Welding Wire is used with 100% argon gas. This is a 8 diameter spool with a center mounting hole that is standard 2 diameter. This wire is also great in a spool gun. Note that this is precision wound wire, verses random wound.
Coat the steel prior to welding. Another method many use to successfully weld aluminum to steel is dip coating, also commonly referred to as hot dip aluminizing. This simply means that prior to welding the steel and aluminum together, the steel is first coated in aluminum.