60-40-18 Ductile Iron
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60-40-18 Ductile Iron
Overview
Dura-Bar 60-40-18 is a nodular iron with a fully ferritic matrix. This iron grade’s microstructure is achieved through annealing and offers excellent ductility and impact strength. Dura-Bar 60-40-18 has the most ductility out of the ductile iron family of Dura-Bar. Annealed Dura-Bar is NACE compliant, ASTM A395, and ASTM A536. To learn more, download the 60-40-18 Ductile Iron Product Brief.
Microstructure
The microstructure consists of Types I & II nodular graphite as defined in ASTM A247. The matrix is 100% ferrite. The edge or rim will have a higher nodular count. Chill carbides will be less than 5% in any field at 100x and will be well dispersed.
Center Area
100x, etched in 5% Nital
Edge Area
100x, etched in 5% Nital
