DIN EN 3973:2007-06
Действует
Aerospace series - Steel FE-CM3801 (X5CrNiCuNb16-4) - Homogenized, solution treated and precipitation hardened - Investment casting - D<(Index)e> <kleiner => 50 mm - R<(Index)m> <grцЯer => 1030 MPa; German and English version EN 3973:2006
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