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Title (english): Founding - Grey cast irons; German version EN 1561:2011

Document type: Standard

Publication date: 2012-01

Overview:

This European Standard specifies the properties of unalloyed and low-alloyed grey cast irons used for castings, which have been manufactured in sand moulds or in moulds with comparable thermal behaviour. It also specifies the characterizing properties of grey cast irons by either a) the tensile strength of cast samples, or b) the hardness measured on the castings or on a cast-on knob. If agreed by the manufacturer and the purchaser, the combination of both tensile strength from option a) and hardness from option b) may be specified. Other specifications cover six grades of grey cast iron by a classification based on tensile strength measured on machined test pieces prepared from cast samples and six grades of grey cast iron by a classification based on Brinell hardness. This European Standard does not cover technical delivery conditions for iron castings; see EN 1559-1 and EN 1559-3. This European Standard does not apply to grey cast irons used for pipes and fittings according to EN 877. This European Standard (EN 1561:2011) has been prepared by Technical Committee CEN/TC 190 "Foundry technology", the secretariat of which is held by DIN (Germany). Regarding the German collaboration, the responsible Working Committee is NA 036-00-01 AA "Gusseisenwerkstoffe" ("Cast iron materials") of the Foundry Practice Standards Committee (GINA).

Language: German

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