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  1. mjurek

    Passivation of inconel springs?

    Is there any purpose to passivating inconel 718 springs? The springs are used in an aerospace application, therefore the corrosion resistance requirements are high. Would electropolishing be a better option?
  2. mjurek

    Welding dissimilar hardness 316L

    The first material has a higher strength due to cold-drawing the square bar stock. We are worried about more porosity. Thanks for both your responses.
  3. mjurek

    Welding dissimilar hardness 316L

    I have a question regarding welding two 316L (ASTM A479) parts together that have different hardness and slightly different chemical compositions. The first has a UTS of 110ksi, yield of 75ksi. Chemical Comp: C .014%, Si .62, Mn 1.37, P .027, S .017, Cr 16.83, Mo 2.01, Ni 11.14, Ti .125, Co...
  4. mjurek

    Modified Spring Plunger

    Yes. I've looked at Carr Lane, McMaster-Carr (of course!) and Vlier, among others. All offer varying types of spring plunger, however none have a plunger that extends through the body.
  5. mjurek

    Modified Spring Plunger

    I am looking for a spring plunger I can use to indicate a part is fully seated inro a hand tool. Therefore the plunger nose will have to go through the body and extend out the other side when the spring is fully compressed. I am looking for a 10-32 thread plunger, with a spring constant of...

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