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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      Marine Titanium fittings
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      1. product introduction
      Titanium reactor can do corrosive experiments. Titanium is very active, but it is easy to form passivation, and the passivation layer is relatively stable, usually used in the reaction of corroded materials.
      Because titanium has the advantages of high specific strength, excellent heat resistance, corrosion resistance and fracture toughness, titanium reactor is very popular in aviation, aerospace, petrochemical, medical and geological fields.
      Titanium reaction kettle is also widely used in civil fields, such as automobile, electric power, leisure and other industries. With the widespread use of titanium and its alloys, the welding performance is becoming more and more important to the users.

      2. product specifications
      According to your drawings, customize according to the requirements.

      3. material
      Common material TA1 (Gr1), TA2 (Gr2), gas material, can be customized according to the requirements.

      4. performance standards
      The chemical composition accords with the standard of GB/T 3621-2007, GB/T 2965-2007 and so on.

      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




      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