Document Details |
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| Name of Department/Committee : | MTD 24 | ||||
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| Document Number : | MTD 24 ( 28592) | ||||
| Document Title [English] : | Steel Measurement Method for the Evaluation of Hydrogen Embrittlement Resistance of High Strength Steels Part 1: Constant Load Test | ||||
| Document Title [Hindi] : | स्टील — उच्च शक्ति वाले स्टील्स की हाइड्रोजन एम्ब्रिटलमेंट प्रतिरोध का मूल्यांकन करने की मापन विधि भाग 1: स्थिर भार परीक्षण | ||||
| Document Type : | Revision | ||||
| Language : | English | ||||
| Priority : | 3 | ||||
| ICS Code : | 77.040.99 | ||||
| Date of Project Approval : | 09-07-2025 | ||||
| Standards to be Revised : |
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| Standards to be Superseded : |
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Classification Details |
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| Group : | Metals, Alloys and Metal Products (including Steel Products) |
| Sub Group : | Heat treatment, metallography and testing |
| Sub Sub Group : | Test Methods on metallography |
| Aspects : | Methods of tests |
| Risk : | None |
| Certification : | None |
| Short Commom Man's Title : | |
| ITCHS Code : | |
| Ministry : |
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| Sustainable development Goals : | |
| Degree of Equivalence : | Identical under dual numbering |
| Identical/Equivalent Standards : | ISO 16573-1:2020 |
| Organization Type: | ISO |
| Sl.No. | Synosis Points | |
| 1 | This document provides a method for the evaluation of the resistance to hydrogen embrittlement (i.e. hydrogen delayed fracture) using constant loading test with hydrogen pre-charged specimens. The amount of hydrogen content absorbed in the specimens is analysed quantitatively by thermal desorption analysis such as gas chromatography, mass spectrometry and so on. In the case of hydrogen continuous charging such as hydrogen absorption in aqueous solution at free corrosion potential, hydrogen absorption in atmospheric corrosion environments and hydrogen absorption in high pressure hydrogen gas, the evaluation method is also briefly described. This method is mainly applicable to the evaluation of hydrogen embrittlement resistance of high strength steel bolts. | |
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