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ISO/TR 20173:2018 - The Standard for Grouping Systems for American Materials in Welding



ISO 20173 PDF Free Download: What You Need to Know




Introduction




If you are involved in welding or related activities, you may have heard of ISO 20173. This document provides an American grouping system for materials for welding purposes, classified in accordance with the grouping system of ISO/TR 15608. It covers various types of materials commonly used in North America and can also apply for other purposes related to welding.


But what exactly is ISO 20173 and what does it cover? Why is it useful for welding purposes? And how


2.1


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Table 2A


AISI 4340


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2.2


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Table 2A


AISI 304


-


8.1


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Table 4A


AISI 316


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8.2


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Table 4A


AISI 410


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10.1


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Table 5A



Table 1: Grouping system for steel materials according to ISO 20173 (adapted from )




iso 20173 pdf free download


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Why is it useful for welding purposes?




ISO 20173 is useful for welding purposes because it helps to:



  • Identify materials that are similar in terms of weldability and mechanical properties. This means that they can be welded with similar welding consumables and procedures, without compromising the quality and safety of the welded products.



  • Select appropriate welding consumables and procedures for different materials. This means that the welder can choose the best combination of filler metal, shielding gas, welding technique, and post-weld treatment for the specific material and application.



  • Avoid unnecessary testing and qualification of welders and welding procedures. This means that the welder can save time and money by using existing qualified welders and welding procedures for similar materials, instead of having to test and qualify them for each new material.



  • Ensure quality and safety of welded products. This means that the welder can avoid potential defects, failures, and hazards that may result from using incompatible or inappropriate materials, consumables, or procedures.




How can you get a free PDF copy of it?




ISO 20173 is a published document that can be purchased from the ISO website or from other authorized distributors. However, there are some ways to get a free PDF copy of it, such as:



  • Searching online for websites that offer free downloads of ISO standards and technical reports. There are some websites that claim to provide free access to ISO documents, either by direct download or by email request. However, these websites may not be reliable, legal, or secure, and they may not provide the latest or authentic version of the document. Therefore, you should be careful and cautious when using these websites, and always verify the authenticity of the PDF copy that you downloaded.



  • Requesting a free trial or subscription from online platforms that provide access to ISO standards and technical reports. There are some online platforms that allow you to access ISO documents for a limited time or for a certain number of views, either for free or for a low fee. For example, you can try [Scribd], [Techstreet], or [ANSI Webstore]. These platforms may require you to register, provide your personal information, or agree to their terms and conditions before you can access the documents. Therefore, you should read and understand their policies and rules before using their services.



  • Borrowing a copy from a library or a colleague who has purchased it. There are some libraries or institutions that have purchased ISO documents and made them available for their members or users. You can check if your local library or your workplace has a copy of ISO 20173 that you can borrow or view. Alternatively, you can ask a colleague or a friend who has purchased it if they can lend you their copy or share their access with you.




Conclusion




ISO 20173 is a useful document for welding purposes that provides an American grouping system for materials based on the grouping system of ISO/TR 15608. It covers various types of materials commonly used in North America and can also apply for other purposes related to welding. To get a free PDF copy of it, you can try searching online, requesting a free trial or subscription, or borrowing a copy from a library or a colleague.


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FAQs





  • Q: What is the difference between ISO 20173 and ISO/TR 15608?



  • A: ISO 20173 is based on the grouping system of ISO/TR 15608, but it only covers American materials. ISO/TR 15608 covers international materials and provides general guidelines for grouping systems.Q: How many pages does ISO 20173 have?



  • A: ISO 20173 has 106 pages in total.



  • Q: How often is ISO 20173 updated?



  • A: ISO 20173 was first published in 2008 and revised in 2009 and 2018. The current edition is the third edition.



  • Q: How can I verify the authenticity of the PDF copy of ISO 20173 that I downloaded?



  • A: You can check the following features to verify the authenticity of the PDF copy:



  • The title page should have the ISO logo, the reference number, the title, the edition, the publication date, and the language.



  • The footer should have the page number and the reference number.



  • The content should match the outline and the abstract provided on the ISO website.



  • Q: What are some other sources of information about ISO 20173?



  • A: Some other sources of information about ISO 20173 are:



  • The official website of ISO (www.iso.org)



  • The technical committee that developed it (ISO/TC 44/SC 10)



  • The national standards bodies that adopted it (e.g., ANSI, CSA, AS/NZS)





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