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GB/T 17897-2016: Corrosion of metals and alloys -- Corrosion test for pitting corrosion resistance of stainless steels in the ferric chloride solution
Status: Valid GB/T 17897: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 17897-2016 | English | 139 |
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Corrosion of metals and alloys -- Corrosion test for pitting corrosion resistance of stainless steels in the ferric chloride solution
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GB/T 17897-2016
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| GB/T 17897-1999 | English | 519 |
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Test of pitting corrosion resistance of stainless steels in the ferric chloride solution
| Obsolete |
GB/T 17897-1999
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PDF similar to GB/T 17897-2016
Basic data | Standard ID | GB/T 17897-2016 (GB/T17897-2016) | | Description (Translated English) | Corrosion of metals and alloys -- Corrosion test for pitting corrosion resistance of stainless steels in the ferric chloride solution | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H25 | | Classification of International Standard | 77.060 | | Word Count Estimation | 7,799 | | Date of Issue | 2016-02-24 | | Date of Implementation | 2016-11-01 | | Older Standard (superseded by this standard) | GB/T 17897-1999 | | Quoted Standard | GB/T 622; GB/T 2481.1; GB/T 8170; GB/T 16545; GB/T 18590; HG/T 3474 | | Regulation (derived from) | National Standard Announcement No | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the preparation, test methods, test instruments and equipment, test procedures, test results and test reports for the test method for pitting corrosion of stainless steel ferric chloride. This standard applies to the evaluation of various types of stainless steel in different ferric chloride solution and different temperature environment pitting corrosion resistance, including the following test methods: a) Method A 6% ferric chloride solution; b) Method B6% Hydrochloric acid solution. Duplex stainless steel and Cr-Ni austenitic stainless steel are recommended. | GB/T 17897-2016: Corrosion of metals and alloys -- Corrosion test for pitting corrosion resistance of stainless steels in the ferric chloride solution
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Corrosion of metals and alloys - Corrosion test for pitting corrosion resistance of stainless steels in the ferric chloride solution
ICS 77.060
H25
National Standards of People's Republic of China
Replacing GB/T 17897-1999
Metal and alloy corrosion of stainless steel iron chloride point
Corrosion test method
2016-02-24 released
2016-11-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China
China National Standardization Management Committee released
Foreword
This standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This standard instead of GB/T 17897-1999 "stainless steel iron chloride point corrosion test method", compared with GB/T 17897-1999 main
The technical changes are as follows.
- according to the different types of stainless steel to increase the supply and demand agreement between the two sides of the test solution (see Chapter 4,.1999 edition
Chapter 4);
- Revise the recommended test stand to a suitable glass holder (see chapter 5.1,.1999 edition, chapter 5);
- Revise the test temperature to select the appropriate test temperature according to the selected test method (see Chapter 6.1,.1999, Chapter 6);
- Revise the test time to select the appropriate test time according to the selected test method (see 6.3,.1999, Chapter 6).
This standard is proposed by China Iron and Steel Industry Association.
This standard is under the jurisdiction of the National Steel Standardization Technical Committee (SAC/TC183).
The drafting of this standard unit. Baosteel Stainless Steel Co., Ltd., Metallurgical Industry Information Standards Institute, Steel Research Institute.
The main drafters of this standard. Luo Ming, Hou Jie, Xu Zhongjie, Jiang Lai Zhu, Feng Han.
This standard replaced the previous version of the standard release.
--- GB/T 4334.7-1984;
--- GB/T 17897-1999.
Metal and alloy corrosion of stainless steel iron chloride point
Corrosion test method
1 Scope
This standard specifies the preparation, test method, test equipment and equipment for the test method of stainless steel ferric chloride point corrosion test, test step
Test results and test reports.
This standard is applicable to the evaluation of all kinds of stainless steel in different ferric chloride solution and different temperature environment pitting corrosion resistance, including the following test
Method.
a) Method A6% ferric chloride solution;
b) Method B6% ferric chloride hydrochloric acid solution.
Recommended duplex stainless steel and Cr-Ni austenitic stainless steel.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
GB/T 622 Chemical reagents Hydrochloric acid
GB/T 2481.1 Determination and marking of abrasive grain size composition for consolidation abrasives - Part 1. Coarse abrasive grains F4 to F220
Representation and Judgment of Numerical Correction Rule and Limit Value of GB/T 8170
GB/T 16545 Corrosion of metals and alloys Corrosion of corrosion products on samples
Test method for corrosion pitting of metals and alloys GB/T 18590
HG/T 3474 Chemical Reagent Hexahydrate Ferric Chloride (Ferric Chloride)
3 Preparation of the sample
3.1 The total surface area of the specimen should be above 10cm2.
3.2 Cut the specimen from the test material so that the cross-sectional area perpendicular to the rolling or forging direction should be less than 1/2 of the total area of the specimen.
3.3 Specimens are machined for cutting. When cutting methods are used, the section of the specimen is machined by cutting or grinding to eliminate
The effect of cutting.
3.4 In order to reduce the effect of corrosion on the test results, consider the data comparison, the sampling direction and method should be consistent, and should do
It is possible to use thin specimens of the same size or close to each other. The reference size of the sample is (30 mm to 50 mm) x (20 mm to 30 mm)
The thickness of ~ 5mm).
3.5 When the sample thickness is not more than 5mm, the original thickness of the specimen can be used as the thickness of the test specimen.
3.6 When the sample thickness is greater than 5mm, the test sample should be retained as the original surface, from the other side to the sample thickness.
3.7 When the scale is attached to the specimen, it is removed by cutting or grinding.
3.8 Specimen for all surfaces of the sample Particle size conforms to the abrasive cloth or sandpaper specified in GB/T 2481.1. Grinding to avoid
fever. Finally, with the size of the W20 water sandpaper for wet grinding.
3.9 If the surface of the specimen has the same roughness requirements, grinding machine can be used.
3.10 Measure the size of the specimen with a vernier caliper, calculate the total area of the specimen, and the effective area of the test.
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