... and creep-rupture properties at temperatures to 1300°F (700°C). Its excellent relaxation resistance is useful for high-temperature springs ... socket head, CSK,flange boltNut: M3-M64 hexagonal, wing/butterfly nut, flange nutThreaded Rod:4-2000mm full-tread, double end thread ... Inconel718 GH2132 Super duplex stainless steel F55, F51,F53 HastelloyB&C, Inconel, Incoloy etc.3.Standards: GB ,ANSI/AMSE, DIN, ...