EngArc - L - Offset Yield Method
The yield strength, corresponding to the yield point, is often defined by an offset method.Line AB is drawn at a slope equal to Young's modulus.Point A corresponds to a definite or stated amount of permanent set, usually 0.2 percent of the original gauge length, although 0.01, 0.1, and 0.5 are occasionally used. In the case of aluminum and of many other ductile materials, the onset of yield is q235nh yield strength
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