DIN EN 3973 : 2007 Title: Aerospace series - Steel FE-CM3801 (X5CrNiCuNb16-4) - Homogenized, solution treated and precipitation hardened - Investment casting - D<(Index)e> 50 mm - R<(Index)m> 1030 MPa; German and English version EN 3973:2006 Year: 2007 Publisher: DIN Media GmbH Availability: Within 1-2 working days