6 indicates that the steel wire rope is a 6-strand steel wire rope;37 indicates that there are 37 wires in each steel strand, which is a point contact structure.
Nichrome 70 is a nickel-chromium alloy (NiCr alloy) for use at temperatures up to 1250℃. The alloy is characterized by high resistivity, good oxidation resistance and very good form stability. It has good ductility after use and excellent weldability.