ISO 185-2020 pdf free

04-23-2021 comment

ISO 185-2020 pdf free.Grey cast irons—Classification.
This document specifies the properties of unalloyed and low-alloyed grey cast irons used for castingsthat 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) ifagreed 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.
lf agreed by the manufacturer and the purchaser, the combination of tensile strength from option a) oroption b) and plus hardness from option c) can be specified.Information on specifying a combination oftensile 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 sixgrades 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 castproducts.
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.
The following documents are referred to in the text in such a way that some or all of their contentconstitutes requirements of this document. For dated references,only the edition cited applies. Forundated references, the latest edition of the referenced document (including any amendments) applies.
The material shall be designated as given in either Table 1 or Table 2.The designation system is givenin ISO/TR 15931.
The number in position 3 of the designation in Table 1 is the minimum tensile strength of the gradeas determined by test pieces machined from standardized 30 mm test bars or from cast samples ofcorresponding relevant wall thickness.
The number in position 3 of the designation in Table 2 is the maximum Brinell hardness value of thegrade for relevant wall thickness > 40 mm to ≤ 80 mm.ISO 185 pdf download.

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