The official document (currently in its latest revision, often J1397_202009) details:
The standard provides correlations between different hardness scales (such as Brinell and Rockwell) specifically for steel bar products.
If you are looking to purchase the document, I can guide you toward the official SAE website for the most up-to-date version. Sae J1397 92 | PDF - Scribd
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is titled: "Standard Method for Determining the Rated Lift Capacity of Hydraulic Excavators." It was developed to create a uniform, repeatable procedure for measuring and calculating how much weight a hydraulic excavator can safely lift under specific conditions.
Information on how different heat treatments, such as annealing or normalizing, alter the mechanical behavior of the bars. Why You Need the SAE J1397 PDF The official document (currently in its latest revision,
These properties are essential for calculating how a part will perform under load. 2. Machinability Ratings
Gears, shafts, and flanges where a tough core and hard surface are required.
Provide a universal industry benchmark so suppliers and manufacturers speak the same technical language. 2. Key Data Points Found in the SAE J1397 PDF Always verify your data against the official SAE publication
To ensure the chosen steel can survive operational loads while remaining cost-effective to manufacture.
Many engineering universities and large construction firms maintain SAE subscriptions. If you are a student or employee, check your internal library or technical database.