DrD
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Nice pictures.
DrD
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Good comment, JAG. Structural shapes are always hot rolled, in my experience. Vibration is one of the common means of stress relieving a part, and certainly would be applicable to hot rolled sections. I presume they did the stress relief before machining the surfaces? Otherwise, it would be too late and the damage already done.
DrD
saurabhjain reacted to this
Difference between Hot Working and Cold Working
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in Manufacturing Technology
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Another way to describe the difference between hot rolling and cold rolling, at least for steel, is about 1500 deg F or a little more.
DrD