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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      1. product introduction: titanium alloy has high strength, small density, good mechanical properties, good toughness and corrosion resistance. Titanium and titanium alloy screws, nuts, gaskets, springs and other fasteners are mainly used for various equipments with high temperature change and high corrosiveness. Their good mechanical properties are highly favored by chemical industry and other fields.

      2. classification of products:

      3. product specifications:
      Bolts: DIN931 DIN933 DIN609 DIN912 DIN6912 DIN7984 DIN7985 DIN84 DIN85 DIN965 DIN7991 DIN938.
      Nut: DIN934 DIN935 DIN936 DIN439 DIN557 DIN6923 DIN1587 DIN6330
      Special requirements can be processed according to customer's drawings or requirements

      4. material:
      TA1 (Grade 1), TA2 (Grade 2), TC4 (Grade 5) TC6, TC11, TA5
      TA9 (Grade 7), TA10 (Grade 12), TA18

      5. product use:

      Titanium materials are widely used in aerospace, chemical, medical, metallurgy, architecture and automotive industry due to their good corrosion resistance, heat resistance, high specific strength, low modulus of elasticity and low density.
      The aerospace field is mainly used in various components: part of aircraft engine parts, aircraft structure; chemical field is mainly used to do: reactor, heat exchanger, reactor, concentrator and various anti-corrosion chemical fittings, stirring shaft, flange and parts; the field of metallurgical industry is mainly used in: corrosion resistant container, pump and valve, turbine blades, link piping, and other accessories; used mainly in the medical field: surgical implants and other medical materials; also can be used for auto parts, bicycle frame and roof of the building and decoration.

      6. performance reference standard

      Grade

      Al

      V

      N.max

      C.max

      H.max

      Fe.max

      O.max

      Remainder (single) max

      Remainder (total amount) max

      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

      0.40

      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