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SAE J121 2013 Edition, January 1, 2013
Complete Document
Superseded By: ASTM F2328
Decarburization in Hardened and Tempered Unified Threaded Fasteners
Includes all amendments and changes through Cancellation Notice , January 2013
Additional Comments: CNCL S/S BY ASTM F2328
Page Count:5
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AIA/NAS Aerospace Standards
This SAE Recommended Practice covers methods for measuring, classifying, and specifying decarburization in the threaded section of hardened and tempered steel bolts, screws, studs, and similar parts. It is not intended to cover products which are specifically carburized to achieve special properties.