Avesta FCW-2D 308L/MVR description: AVESTA FCW-2D 308L/MVR is designed for welding austenitic stainless steel type 19 Cr 10 Ni or similar. It is also suitable for welding titanium and niobium stabilised steels such as ASTM 321 and ASTM 347 in cases where the construction will be operating at temperatures below 400°C. For higher temperatures a niobium stabilised consumable such as AVE.