TIG rod W 23 12 L / ER309L for welding dissimilar joints. Well-suited for depositing intermediate layers when welding cladded materials. The average ferrite content is >10 FN. Suitable for service temperatures between –80ºC and 300ºC.
For surfacing (buffer layer) unalloyed or low-alloyed steels and when joining non-molybdenum-alloyed stainless and carbon steels. Joints and mixed joints between austenitic steels or mixed joints between austenitic and heat-resistant steels with ferritic steels to pressure boiler steels P295GH and fine-grained structural steels to P355N, shipbuilding steel grades A – E, AH 32 – EH 36, A40 – F40, etc.