| abstract |
(57) [Summary] [Object] To provide a jig for high-temperature heat treatment, which does not cause discoloration or color unevenness during heat treatment at high temperature, and is less likely to cause adhesion between a member to be heat-treated and the jig. [Structure] A jig for high temperature heat treatment in which a tungsten layer or a tungsten alloy layer is formed on the surface of a heat resistant substrate. |