Recent posts about Three Oaks, Michigan on our local forum with over 2,000,000 registered users. Three Oaks is mentioned 21 times on our forum: Latest news from Three Oaks, MI collected exclusively by city-data.com from local newspapers, TV, and radio stations. Ancestries: German (30.1%), English (9.3%), American (8.2%), Polish (6.0%), Irish (4.8%), Italian (3.2%). Current Local Time: EST time zone. Elevation: 679 feet.
A benefit in using a shielding gas when welding is that there is no slag left on the weld that requires chipping and cleaning like that which is found on an arc weld. When a new wire welding machine is purchased, it does not come with a shielding gas tank. This must be purchased or rented from a gas supplier. Most welding supply stores also sell welding gasses and will be able to assist the buyer in a tank purchase.
When considering a shielding gas for welding aluminum, we need to consider the differences between argon and argon helium mixtures. In order to understand the effect of these gases on the welding operation, we can examine the properties of each gas in fig 1. Fig. 1. We can see immediately that the ionization potential and the thermal conductivity of the helium shielding gas is much higher than that of argon.