DETAILS
ER70S-3 mild steel TIG (GTAW) alloy is a general-purpose welding alloy for fabrication of mild steel. It contains silicon and manganese as deoxidizers. Usually used with 75/25 argon/carbon dioxide or with higher contents of argon, such as 90/10. It can also be used with 100% carbon dioxide. Qualified to AWS A5.18 ER70S-3.
Features
- General-purpose TIG (GTAW) welding rod for fabrication of mild steel
- Contains silicon and manganese as deoxidizers
- Good out-of-position welding using short circuiting transfer with 90% argon/10% carbon dioxide
- Conforms to AISI/AWS A5.18 & ASME SFA 5.18 ER 70S-3
- Marked with model number on each end for easy identification after use
Typical Applications
- General-purpose fabrication of all types of mild steel
- Single-pass steel fabrication of automotive structures, small trailers, roof joists, railcar repair, exercise equipment, and furniture
Welding Positions
- All