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Haulla "449" löytyi 154 tulosta.

SFS-EN ISO 4491-3:en – Metallic powders. Determination of oxygen content by reduction methods. Part 3: Hydrogen-reducible oxygen (ISO 4491-3:1997)

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This part of IS0 4491 specifies a method for the determination of the hydrogen-reducible oxygen content of metallic powders containing 0,05 % (m/m) to 3 % (m/m) oxygen. The method is applicable to unalloyed, partially alloyed or completely alloyed metal powders and also to mixtures of carbides an ...
https://sales.sfs.fi/julkaisu.html.stx?id=13669

SFS-EN ISO 4499-4:en – Hardmetals. Metallographic determination of microstructure. Part 4: Characterisation of porosity, carbon defects and eta-phase content (ISO 4499-4:2016)

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ISO 4499-4:2016 specifies methods for the metallographic determination of the presence, type, and distribution of porosity, uncombined carbon and eta-phase in hardmetals. The standards writing body responsible for this document in Finland is Mechanical Engineering and Metals Industry Standardiz ...
https://sales.sfs.fi/julkaisu.html.stx?id=406303

SFS-EN ISO 4499-3:en – Hardmetals. Metallographic determination of microstructure. Part 3: Measurement of microstructural features in Ti (C, N) and WC/cubic carbide based hardmetals (ISO 4499-3:2016)

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ISO 4499-3:2016 gives guidelines for the measurement of microstructural features in Ti(C,N) based hardmetals and WC/Co hardmetals that contain additional cubic carbides by metallographic techniques only using optical or electron microscopy. It is intended for sintered hardmetals (also called ceme ...
https://sales.sfs.fi/julkaisu.html.stx?id=406434

SFS-EN ISO 4498:en – Sintered metal materials, excluding hardmetals. Determination of apparent hardness and microhardness (ISO 4498:2010)

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ISO 4498:2010 specifies methods of hardness testing of sintered metal materials, excluding hardmetals. Procedure 1 determines the apparent hardness of the whole material. Procedure 1 applies to sintered metal materials which have either not been subjected to any heat treatment, or which have been ...
https://sales.sfs.fi/julkaisu.html.stx?id=150877

SFS-EN ISO 4496:2017:en – Metallic powders. Determination of acid-insoluble content in iron, copper, tin and bronze powders (ISO 4496:2017)

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ISO 4496:2017 specifies methods for determining, in iron, copper, tin and bronze powders, the approximate content of non-metallic materials which are insoluble in the ordinary mineral acids. The insoluble matter referred to is generally considered to be acid-insoluble silica and silicates, carbid ...
https://sales.sfs.fi/julkaisu.html.stx?id=533893

SFS-EN ISO 4492:2017:en – Metallic powders, excluding powders for hardmetals. Determination of dimensional changes associated with compacting and sintering (ISO 4492:2017)

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ISO 4492 specifies a method by which the dimensional changes associated with compacting and sintering of metallic powders are compared with those of a reference powder when processed under similar conditions (see Clause 4). The method applies to the determination of three types of dimensional cha ...
https://sales.sfs.fi/julkaisu.html.stx?id=628099

SFS-EN ISO 4491-4:2019:en – Metallic powders. Determination of oxygen content by reduction methods. Part 4: Total oxygen by reduction-extraction (ISO 4491-4:2019)

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This document specifies a method for the determination of the total oxygen content of metallic powders by reduction-extraction at high temperature. By agreement, this method is also applicable to the determination of the total oxygen content of sintered metal materials. The method is applicable t ...
https://sales.sfs.fi/julkaisu.html.stx?id=766202

SFS-EN ISO 4490:2018:en – Metallic powders. Determination of flow rate by means of a calibrated funnel (Hall flowmeter) (ISO 4490:2018)

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ISO 4490:2018 specifies a method for determining the flow rate of metallic powders, including powders for hard metals, by means of a calibrated funnel (Hall flowmeter). The method is applicable only to powders which flow freely through the specified test orifice. The standards writing body resp ...
https://sales.sfs.fi/julkaisu.html.stx?id=677047

SFS-EN ISO 4499-2:2020:en – Hardmetals. Metallographic determination of microstructure. Part 2: Measurement of WC grain size (ISO 4499-2:2020)

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This document gives guidelines for the measurement of hardmetal grain size by metallographic techniques only using optical or electron microscopy. It is intended for WC/Co hardmetals (also called cemented carbides or cermets) containing primarily tungsten carbide (WC[1]) as the hard phase. It is ...
https://sales.sfs.fi/julkaisu.html.stx?id=916526