Thermit welding of low carbon austenitic manganese steel - initial tests with the SmW process on 113A rail (IM-MET-013)

Previous reports have detailed tests on the SkV and SkV-F processes for welding low carbon austenitic manganese steel rail (113A FB). The most recent of these showed that the SkV-F welds contained solidification cracks in the weld-metal and suffered from hot-tearing on the head surface during trimming. Although subsequent tests...