- Unalloyed construction steels St 33, St 37, St 44, St 52-3.
- Boiler plates H I, H II.
- Pipe steels St 35, St 35.4, St 35-8, St 45, St 45.4, St 45.8, St 52, St 52.4.
- Shipbuilding steels A, B.
- Cast steels GS 38, GS 45.
- Thin sheets according to DIN 1623 p. 1.
Welding current (type and amperes): Alternating and direct with ( - ) at the holder
Φ 2.5/350: 60-90