Sandvik 24.13.LR description: Sandvik 24.13.LR is used for welding in all positions of stainless steels to carbon or low-alloy steels. Used for buffer layer in overlay welding, Sandvik 24.13.LR gives a 304 composition in the first layer. Sandvik 24.13.LR can also be used for welding of some high-temperature steels, such as 309S.