Schedule a phone call from Indianapolis, IN to Shanghai, China. If you live in Indianapolis, IN and you want to call a friend in Shanghai, China, you can try calling them between 6:00 PM and 10:00 AM your time. This will be between 7AM - 11PM their time, since Shanghai, China is 13 hours ahead of Indianapolis, Indiana.
I mainly work with aluminum and hard plastic parts, which means I would need plastic triangles (in fine-cut and maybe medium-cut grades) for light deburring and surface preparation of aluminum, and maybe ceramic media for use on plastic.
A - There are two shielding gases commonly used for arc welding aluminum, and these are argon and helium. These gases are used as pure argon, pure helium and various mixtures of both argon and helium. Excellent welds are often produced using pure argon as a shielding gas.