EVALUATION OF UNCERTAINTY ON Rp0.2 MEASUREMENT OF TCS345 STAINLESS STEEL
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Abstract
According to the standard GB/T 228-2002“metallic materials tensile testing at ambient temperature”,the tensile strength,non-proportional extension Rp0.2 of TCS345 stainless steel in length and breadth direction has been tested.The effects of different factors such as equipment,measuring tool,operator,test speed and rounding of numberical values were analyzed and the uncertainty of testing result was also evaluated.
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