The high temperature tensile properties of austenitic stainless steel 316H at different temperatures were tested.The increase of temperature makes the internal atomic movement speed of 316H stainless steel accelerate,the lattice struc-ture becomes loose,the distance between atoms increases,and the resistance to deformation decreases.When the test tem-perature increases from 350℃to 650℃,the specified plastic extension strength and tensile strength of 316H stainless steel show a continuous decreasing trend.Compared with the tensile properties at room temperature,the specified plastic ex-tension strength of 316H stainless steel at 650℃is reduced by 49%,and the tensile strength is reduced by 33%.The in-crease of temperature significantly reduces the strength of 316H stainless steel.
316H stainless steeltensile teststipulate the plastic extension strengthtensile strength
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