Reference number. ISO (E). INTERNATIONAL. STANDARD. ISO. Second edition. Determination of resistance to intergranular . Buy UNI EN ISO Determination Of Resistance To Intergranular Corrosion Of Stainless Steels – Austenitic And Ferritic-austenitic (duplex) Stainless. Buy ISO (R) DETERMINATION OF RESISTANCE TO INTERGRANULAR CORROSION OF STAINLESS STEELS – PART 1.

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These latter are mostly fitted to customer requirements and shall be evaluated on request.

МКС EN ISO 3651-1:2009

Acetic Acid Salt Spray. These tests were introduced when the carbon content in CRAs typically hit 0. ASTM G28 does not require samples to be heat treated.

Both of these tests should be followed by water quenching. ASTM G28 method B is a more aggressive test than method A and is intended for more corrosion resistant alloys, as listed in the document. Essai de corrosion en milieu acide nitrique par mesurage de la perte de masse essai de Huey. Petrochemical and oilfield Hydrogen Embrittlement tests according to: Aciers austenitiques et austeno-ferritiques duplex. Hence, it is normally only used for stainless steels intended for nuclear service, or another application involving nitric acid.

Corrosion test in nitric acid medium by measurement of loss in mass Huey test. This test should be avoided for most CRAs, except in the circumstances described below, in section 4. Nitric acid test Huey test Spec.

Technical Resources

Why were these tests designed? Moreover its know-how and its qualified personnel permit also to study and to perform “special” corrosion tests for sio kind of materials.

Get in Touch Contact us by Phone or Email to find out how we can help your industry. This document describes all three of these tests for four common standards, and describes the differences. Worldwide Standards We can source any standard from anywhere in the world. It does not say what to do about duplex or super austenitic alloys.


We use cookies to make our website easier to use and to better understand your needs. Determination of resistance to intergranular corrosion of stainless steels. 361-1 Slow Strain Rate Testing could be evaluated on request. Potentiostatic and potentiodinamic polarisation tests. All bend tests require a tensile test machine or similar, with suitable grips and sufficient strength to bend the strongest alloy.

Find Similar Items This product falls into the following categories. Click to learn more. Table 1 below shows the various methods for four common standards: Nitric acid test Huey test.

Make an Enquiry Notice: Good material should have a corrosion rate kso less than the threshold value. It is very oso during corrosion tests to operate according to the referenced standards and to check the test parameters in order to obtain reliable and repeatable results.

Intergranular Corrosion Tests for CRAs

SEP method 3 is a special environment only suitable for the Ni-Mo alloys, as described below, in section 4. FAQ What is standard Become a member? Test Samples Samples may be rectangular or cylindrical to suit the test vessel, but where a bend test is required, it is suggested that the sample be a minimum of mm long.

Stress Corrosion Cracking Tests according to: Conducting the Tests When a test has been selected, follow the detailed directions in that standard for making up the test solution, the preparation of test samples and the finish to be used.


The faster, easier way to work with standards. Austenitic and ferritic-austenitic duplex stainless steels.

Just remember that these 36651-1 were devised for specific groups of alloys and should not be applied to all CRAs! Copper-copper sulfate-sulfuric acid test. The test solutions and exposures for some common intergranular corrosion tests. Some suggested criteria for the listed alloys are shown in Table 2, below. SEP also gives guidance on which of its methods apply to which alloys: Corrosion test in nitric acid medium by measurement of loss in mass Huey test Status: The corrosion tests increased their importance both for the materials homologation and the failure analysis.

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Determination de la resistance a la corrosion intergranulaire des aciers inoxydables. Determination of resistance to intergranular corrosion of stainless steels – Part 1: Suggested test methods for different corrosion resistant alloys. Determination of resistance to intergranular corrosion of stainless steels – Part 2: Some standards require the test sample to be aged prior to testing, to simulate the precipitation that might occur during welding.

This standard is identical to: Selection of a Test Method The test methods in Table 1 were designed with specific alloys in mind, but the proliferation of new CRAs has meant that the selection of a suitable test method is difficult. For an alloy that is not listed, look for an alloy with a similar composition to a listed alloy to determine the most suitable test.