4140 steel - what is it and how is it used? - Ryerson
https://www.ryerson.com/resource/the-gauge/4140-steel
WEBJun 5, 2023 · What Is 4140 Steel Used For? As mentioned, many industries appreciate 4140 properties in steel. It’s often used in oil and gas and the aerospace fields. Typical applications of 4140 include craft collars, gears, crankshafts, shafts, and machinery parts due to the inherent strength of the grade. Finding 4140 Near You.
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