GAO Zhenpeng, GONG Xuhui, XUE Gang, LIU Gang. Relationship of Conventional Mechanical Property and Chemical Composition[J]. Development and Application of Materials, 2018, 33(5): 7-13. DOI: 10.19515/j.cnki.1003-1545.2018.05.002
Citation: GAO Zhenpeng, GONG Xuhui, XUE Gang, LIU Gang. Relationship of Conventional Mechanical Property and Chemical Composition[J]. Development and Application of Materials, 2018, 33(5): 7-13. DOI: 10.19515/j.cnki.1003-1545.2018.05.002

Relationship of Conventional Mechanical Property and Chemical Composition

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  • Received Date: March 12, 2018
  • Available Online: March 18, 2024
  • Fifteen troops of test data of tensile strength Rm, ductile-brittle transition temperature ETT50, nil-ductility transition temperature NDT, carbon equivalent Ceq, impurity elements P and S, Mn and elongation A of high strength plate were analyzed.The relationship formula was proposed based on above results:(1) Rm=1 081.8 Ceq+ 10 089.75 (w (P) + w (S))-4.25 kt; (2) ETT50=kt2exp1.6 ln (Ceq/(kt2))-0.48 ln ((w (P) + w (S))/(kt2)) + 3.57; (3) NDT=-358.3 Ceq+ 171.7 w (Mn)-0.18 kt2; (4) ETT50=-1 476.6 (A/(kt2)) 0.3-0.34 kt2; (5) NDT=-283.7 A-0.058 kt2.
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