284
Example
S550QL, S600QL1,
S650QL, S650MCD,
S690Q, S690QL1
Min. MPa
550-690
General
principles
136/138
Cored wires - Elgacore
111
Electrodes
135
MAG
141
TIG
Use consumable that matches steel in the lowest strength class.
EN-class T42-T46, AWS E70/E71-E80/E81. E.g. DWA 55L, MXA 100, P 62MR.
Fillet welds can usually be made using undermatching consumable.
Always use consumable in medium strength class for root pass in butt welds. Impact strength requirements should be fulfilled.
Test temp.
Impact
energy
P83CR
13CrMo4-4, 13CrMo4-5, A335 Gr. P11, A335 Gr. P12 (1-1,25%Cr/0,5%Mo)
Preheat and stress relief often specified. Follow fabrication specification.
P81CR
Elgamatic 183CR
Elgamatic 181CR
135
111
15Mo3, 16Mo3, A335 Grade P1 (0,5%-Mo-steel)
MAG
Electrodes
Elgatig 183CR
Elgatig 181CR
141
TIG
Quick guide for selection of welding consumables for creep resistant Cr-Mo
steels
Need for preheat should always be evaluated for steels with yield strength ≥ 355 MPa. Preheat should be calculated according to EN 1011-2.
235-500 to
550-690
Steel grade
Yield
strength
Quick guide for selection of welding consumables for unalloyed/low alloyed and
high strength steels, cont.