Sandvik 24.13.L–T1 (309/309L-T1) is a high alloyed chromium-nickel-molybdenum flux core electrode for welding of dissimilar joints between stainless steel and mild or low alloyed steels. It is also used to create buffer layers with a composition of 18%Cr/8%Ni before overlay alloys are deposited. The electrode has excellent arc stability, low spatter and fast burn off rate. It is also characterized by improved moisture resistance, self-peeling slag and easy post weld finishing. Sandvik 24.13.L–T1 (309/309L-T1) gives smooth uniform beads and works in any standard weld position. Applications: Sandvik 24.13.L (309/309L-T1) is used for welding steels of the following types: - Welding of stainless steels to mild or low alloy steels
- Buffer layers on low alloy steels before overlays of 304 composition
- Welding of stainless steels of 23%Cr/12%Ni (309) type
- Welding of medium carbon hardenable steels, e.g. armour plate
- When a weld metal similar to the parent metal is not required, Sandvik 24.13.L-T1 (309/309L-T1) can be used for welding ferritic and martensitic steels
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