... . It owns good mechanical properties, high creep resistance, high temperature resistance, friction resistance, flame resistance, chemical resistance, excellent electrical ... igniter, slide block, gears, thermocouple, piston rings with requirement of high temperature resistance and precision dimension; Hot-air tube, crisping iron, ... 17 17.2 17 GB/T 1408.1-1999 Melting Point OC 281 281 282 282 282 GB/T ...