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Welding
Welding technologies
PWPS
Preliminary welding procedure
WPQR
Design and preparation of welding procedures for approval
WPS
Development of specified welding procedures according to WPQR
Certified welding technologies
111 (MMAW)
Coated electrode welding
121 (SAW)
Welding under the flux with a wire electrode
131 (MIG)
Welding with a melting electrode in an inert gas
135 (MAG)
Welding with a melting electrode in an active gas
136 (MAG)
Welding with a filled (pipe) electrode with a meltable filling in an active gas
138 (MAG)
Welding with a filled (pipe) electrode with a metal filling in an active gas
141 (TIG, WIG)
Welding with a non-melting electrode in an inert gas
311 (OAW)
Oxygen-acetylene flame welding
Welding materials
NON-ALLOY STEEL
- Non-alloy basic steels
- Non-alloy quality steels
- Non-alloy stainless steels
STAINLESS STEEL
- Fire-resistant
- Made of chrome
- Made of chrome-nickel
- Made of chrome-manganese
OTHER ALLOY STEEL
- Alloy quality steel
- Alloy stainless steel
