EN ISO 17633-A T 23 12 L P M21 (C1) 1
EN ISO 17633-B TS 309L-F M21 (C1) 1
AWS A5.22 / SFA-5.22 E309LT1-4(1)

Flux-cored wire, high-alloyed, austenitic stainless, special applications

Rutile flux-cored wire of T 23 12 L P / E309LT1 type, primarily intended for surfacing low-alloyed steels and for dissimilar welds between mild steel and stainless steels. Ferrite measured with FeritScope FMP30 14 – 22 FN. Corrosion resistance superior to T 19 9 L / E308L fillers. When used for overlay welding on mild steel a corrosion resistance equivalent to that of 1.4301 / 304 is obtained already in the first layer. FOXcore 309LT1 has a stronger arc and a faster freezing slag compared to FOXcore 309L-T0 DG. The wide arc ensures even penetration and side-wall fusion to prevent lack of fusion. It is designed for all-round welding and can be used in all positions without changing the parameter settings. Due to the fast freezing rutile slag, the weldability is excellent also in the vertical-up and overhead positions. Very good slag detachability and almost no spatter formation. Suitable for service temperatures from –60°C to 300°C. The scaling temperature is approximately 1000°C in air. For flat and horizontal welding positions, FOXcore 309L-T0 DG may be preferred.

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