Mig Welding Wire Types Pdf

What is mig welding.

Mig welding wire types pdf. When it comes to mig welding it uses a combination of heat and an electrode wire to create a molten pool to fuse two pieces of metal together. Mig welding was developed in the 1940 s and 60 years later the general principle is still very much the same. Flux cored arc welding has a lower efficiency than solid wire mig welding because part of the wire fill contains slag forming agents. Welding is basically a process of joining two metal pieces there are various welding methods being adopted by professional and the most common types of welding are stick tig and mig welding.

Flux cored arc welding does however have the same drawback as. Er an electrode or filler rod that is used in either a mig wire feed or tig welding. Most mig wires are available in 0 024 in 0 030 in. Mig wire electrode label meaning for a er70s 6 label.

In mig welding you can easily join a variety of. Although the efficiency varies by wire type and manufacturer it is typically between 75 and 85. Mig welding requires the weld to be shielded from the atmosphere. This feature has the benefit of increasing or decreasing the welding current to increase or decrease heat input.

E70s mild steel mig wire 75 argon 25 co 2 e316 stainless steel mig wire 75 argon 25 co 2 e4043 aluminum mig wire 100 argon required equipment. Pulling the trigger electrically energizes the welding wire and starts the motor drive feeding the wire automatically as you weld. 6 the amount of deoxidizing agent and cleansing agent on the electrode this is a copper coating on the electrode and there are different types too. Unique to stt is the application of applying welding current independent of the wire feed speed.

Type of wire being used see chart below. 70 a minimum of 70 000 pounds of tensile strength per square inch of weld. Mig welding uses an arc of electricity to create a short circuit between a continuously fed anode the wire fed welding torch and a cathode the metal being welded.