... 1. Type: TIG: GTS-309 2. Size: 1.0, 1.2, 1.6, 2.0, 2.4, 3.2mm 3. Shielding gas ... TIG: GTS-3092. Size: 1.0, 1.2, 1.6, 2.0, 2.4, 3.2mm 3. Shielding gas:ArChemical composition ... It is widely used in petroleum chemical industry, fire station, etc.2. It is suitable for different material welding.3. ... the wire rust.2. Before welding please clean out the oil, rust, water etc from the work parts. Solid core ...