交换娇妻高潮呻吟不断,人妻在卧室被老板疯狂进入,俱乐部换娇妻大杂交

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      Welcome to our website!

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      Medical titanium rod
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      1. product introduction
      The main features of the products have higher strength (about 2 times the stainless steel), stainless steel products to replace the previous performance, better corrosion resistance, light weight (almost half of the stainless steel), reduce the operation difficulty; the most important feature is not magnetic, completely replace the defects of stainless steel micro magnetic. It is mainly used in geological exploration team, road construction, oil instrument production, logging instrument measurement and control instrument production and so on.

      2. product specifications
      According to the drawing of the customer, the craft is fine and the quality is excellent.

      3. material
      TC4 (Gr5), TC11, TA18, TC18

      4. performance standards
      The chemical composition accords with the standard of GB/T 3625-2007

      5. standard value

      Reference standard for chemical composition

      Grade

      Al

      V

      N≤

      C≤

      H≤

      Fe≤

      O≤

      Other elements (single)

      Other elements (sum)

      TA1

       

       

      0.03

      0.08

      0.015

      0.20

      0.18

      0.1

      0.40

      TA2

       

       

      0.03

      0.08

      0.015

      0.30

      0.25

      0.1

      0.40

      TC4

      5.5-6.75

      3.5-4.5

      0.05

      0.08

      0.015

      0.30

      0.20

      0.1

      0.40


      Reference standard for mechanical properties

      Grade

      The mechanical properties at room temperature are not less than

      Tensile strength

      Yield strength

      Elongation

      Section shrinkage rate

      TA1

      170 MPa

      240 MPa

      25%

      30%

      TA2 275 MPa 345 MPa 20% 30%
      TC4 825 MPa 895 MPa 10% 20%



      交换娇妻高潮呻吟不断,人妻在卧室被老板疯狂进入,俱乐部换娇妻大杂交