... , Constantan wire , Solers and welding alloys, Elastic alloys and Fire wires. 1. Diameter: 0.02mm-8mm2. Types: 0Cr21Al4,0Cr25Al5 ... can be used for automobile electronic igniter, exhaust gas/purifier/heater/muffler/aire intake pipe/down pipe/tips, strut bar, ... , electric warmer, etcIndustrial Series: can be used for water heater, industrial electric furance, far infrared ray device, boiler, heating ...