Zonzen provides type K, J, E, T, N and R/S thermocouple alloy, the temperature range from -270 C to 1800C. and all our bare thermocouple wire is conform to IEC 584-1, ASTM E230 and ANSI MC96.1. we assure you to select excellent stability & accuracy thermocouple alloy as per your requirement of temperature range, environment and service length.