DIN EN 4352:2006-03
Действует
Aerospace series - Bolts, double hexagon head with lockwire holes, relieved shank, long thread, in heat resisting nickel base alloy NI-PH2601 (Inconel 718), MoS<(Index)2> coated - Classification: 1550 MPa (at ambient temperature) /425 °C; German and English version EN 4352:2004
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