Manual welding:

1) Process 141 – VIG welding (Electric arc welding with a non-melting tungsten electrode in an inert shielding gas) of:

• Non alloyed steels
• Stainless steels
• Aluminium alloys
• Titanium and titanium alloys

Semi- mechanized welding:

2) Process 131 – MIG welding (Electric arc welding with melting electrode wire in inert shielding gas) of:

• Aluminium alloys

3) Process 135 – MAG welding – (Electric arc welding with melting electrode wire in an active shielding gas) of:

• Non alloyed steels
• Stainless steels

4) Process 138 – MAG welding (Electric arc welding with tubular electrode wire with metal powder) of:

• Non alloyed steels

5) Process 21 – Spot welding (electric resistance spot welding) of:

• Non alloyed steels
• Stainless steels
• Aluminium alloys

6) Process 23 – Projection welding (electric resistance welding) of:

• Stainless steels
• Non alloyed steels

7) Process 786 – Arc stud welding (Capacitor discharge stud welding with tip ignition) of:

• Non-alloyed steels to copper-covered steel studs up to size M8x40
• Stainless steels to stainless steel studs up to M8x40
• Aluminium alloys to aluminium studs up to M8x40

8) Process 783 – Arc stud welding (Drawn arc stud welding with ceramic ferrule or shielding gas) of:

• Non-alloyed steels to non-alloyed steel studs.

9) Process 52 – Laser welding of 

• stainless steels 
• aluminium alloys