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1. Fonts
1.1 Cast iron classification
1.1.1 Graphite (or gray) fonts
In unalloyed graphitic cast irons, which can be considered as ternary Fe-C-Si alloys, a significant fraction of the carbon is in the form of graphite, which is obtained :
or with the aid of favourable in-mould cooling conditions (flake graphite (GL) cast irons);
or by adding specific chemical elements (spheroidal graphite (GS) cast irons);
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Bibliography
Standards and norms
Cast iron standards :
- Cast-iron pipes and fittings, their assemblies and accessories for water drainage, buildings – Requirements, test methods and quality assurance. - NF EN 877 - Novembre 1999
- Foundry – Flake graphite cast irons. - NF EN 1561 - Décembre 2011
- Foundry – Malleable cast iron. - NF EN 1562 - Mars 2019
- Foundry – Spheroidal graphite cast irons. - NF EN 1563...
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