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Norm

ISO 185:2019

Issue date: 2019 07 29

Grey cast irons — Classification

This document specifies the properties of unalloyed and low-alloyed grey cast irons used for castings that have been manufactured in sand moulds or in moulds with compara...
Withdrawn: 2020 05 29
Publisher:
International Organization for Standardization
Format:
Digital | 26 Pages
Language:
English
Currently valid:

This document specifies the properties of unalloyed and low-alloyed grey cast irons used for castings that have been manufactured in sand moulds or in moulds with comparable thermal behaviour.

This document specifies the characterizing properties of grey cast irons by any of the following:

a) the tensile strength of cast samples;

b) if agreed by the manufacturer and the purchaser, the tensile strength of samples cut from a casting;

c) if agreed between the manufacturer and the purchaser, the hardness of the material determined on castings or on a cast-on knob.

If agreed by the manufacturer and the purchaser, the combination of tensile strength from option a) or option b) and plus hardness from option c) can be specified. Information on specifying a combination of tensile strength and hardness is given in Annex B.

This document specifies eight grades of grey cast iron according to tensile strength (see Table 1) and six grades of grey cast iron according to Brinell hardness (see Table 2).

This document does not apply to grey cast irons used for pipes and pipe fittings and continuous cast products.

This document does not cover technical delivery conditions for grey iron castings.

NOTE General information on the engineering properties of grey cast irons is provided in ISO/TR 10809-1.

ISO 185:2020
2020 05 29
Grey cast irons — Classification
Norm
ISO 185:2019
2019 07 29
Grey cast irons — Classification
Norm
ISO 185:2005
2005 08 26
Grey cast irons — Classification
Norm
ISO 185:1988
1988 12 29
Grey cast iron — Classification
Norm
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Norm
ISO 185:2020
Issue date : 2020 05 29
Grey cast irons — Classification