48 THE DISTRIBUTOR’S LINK Guy Avellon Guy Avellon has been in MRO and Fastener Distribution for over 30 years, in such positions Sales Engineer, Chief Engineer, Manager of Product Marketing, Product Engineering & Quality and Director of Quality & Engineering. He founded GT Technical Consultants where he performs failure analysis, lectures on fastener safety, works for law firms and designs/audits Quality systems. He is a member of SAE, is Vice Chairman of the ASTM F16 Fastener Committee, Chairman of the F16.01 Test Methods Committee and received the ASTM Award of Merit in 2005. Guy can be contacted at 847-477-5057, Email: ExpertBoltGuy@gmail.com or visit www.BoltFailure.com. WHAT FASTENER DISTRIBUTORS NEED TO KNOW ABOUT CERTIFICATES OF CONFORMANCE & RESPONSIBILITY Many fastener distributors and customers become confused with the terminology used regarding “Certifications”. What do we need, what do we look for and who is responsible? There are many different types of product certifications; ones that we receive and ones that we give out to customers. For the purposes of this article, we will relate to the certification of steels and for threaded fasteners. The steels as supplied from the mill is produced in manufacturing runs. The production of a manufacturing run is known as a “heat”. Each heat is assigned a unique and traceable number that is kept with the steel as it is drawn into wire coils and separated into smaller lots. These traceable numbers are kept with the steel as it is processed from the manufacturer, to the heat treating facility, to the testing laboratory and to the purchaser. As can be noted in Sample #1, the Test Certificate, the Heat Number is 10355310. This number will be referenced in all further documents. This is important to check to be sure you have the correct material. Also, this is to double check emerging off-shore manufacturers against rubber-stamping Certifications or Test Reports to be sure each report is unique. In Sample #1, the steel chemistry is given as an absolute number, not a range, so you may be assured that the actual steel analysis was performed. Sample #2 is a Steel Test Report. This report is usually supplied to the fastener manufacturer. The Steel Test Report provides not only the actual steel chemistry analysis but also Jominy Hardness test results. SAMPLE 1 SAMPLE 2 CONTRIBUTOR ARTICLE CONTINUED ON PAGE 166
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