ISO 3581-A Stainless steels Manual electrode Welding accessories

1. Suitable FOR WELDING OF CARBON STEEL AND LOW ALLOY STEEL, AS WELL AS THE CORRESPONDING STRENGTH OF BOILER, pipeline, vehicle, BUILDING, BRIDGE AND other STRUCTURES, SUCH AS Q345.
2. The standard we met: GB/T5117 E5016, AWS A5.1 E7016 & A5.1M E4916, ISO2560-A:E 42 3 B 1 2, ISO 2560-B: E4916 A

Welding precautions:
Before welding, the weldment must be entirely free of oil, rust, moisture, etc.; drying at 350°C for an hour; and drying with use
3. Use narrow pass welding and short arc welding; AC and DC reverse connections.

Can be used for welding low carbon steel and 490MPa high strength steel pipe butt joint, can realize single-side welding double-side forming.

The electrode belongs to the low hydrogen type, welding pipe and the general structure of the root of the weld, can realize single-sided welding two-sided forming, so it can save the cleaning welding heel, so that the welding efficiency can be improved.

Key points of process:

1, drying before use, 300~350℃ drying 30~60 minutes;

2, choose the appropriate current and groove, in order to get a beautiful back weld;

3. When extinguishing the arc, lead the arc pit to the side of the groove and then break the arc;

4. Arc starting time using arc starting plate or on the side of the groove arc;

5. Keep short arc welding;

6. Use AC or DC reverse connection.