This standard applies to the determination of the thermal curvature of straight thermal bimetals with a thickness greater than or equal to 0.3 mm and the spiral thermal bimetal with a thickness of less than 0.3 mm. See Appendix A for the thermal curvature test method of spiral thermal bimetals.
GB/T 5987-1986 history
2008GB/T 8364-2008 Test method of thermal flexure of thermostat metals
1986GB/T 5987-1986 Test method for flexivity of thermostat metals
GB/T 5987-1986 Test method for flexivity of thermostat metals was changed to GB/T 8364-2008 Test method of thermal flexure of thermostat metals.