This standard specifies the product classification, technical requirements, test methods, inspection rules, packaging, storage and transportation of silicon carbide protective tubes for thermocouples. This standard applies to silicon carbide protection tubes for thermocouples with a maximum operating temperature below 1800°C.
JB/T 8340-1996 history
2013JB/T 8340-2013 Special products of silicon carbide.Recrystallized silicon carbide thermocouple protection tube