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  1. MikeRCS

    Help with B31.3

    I am trying to find the allowable stress per B31.3 302.3.2 (d). I understand that the allowable stress is the lowest stress calculated from scenarios 1 thru 7. Right after scenario seven there is a paragraph that says: "In the application of these criteria, the yield strength at room temp is...
  2. MikeRCS

    Ultrasonic Welding Question

    I am planning on using 2 sheets of plastic (material undetermined) about 1 wide by 2" long. Run insulated solid 10 mil wire sandwiched in between the plastic sheets. The insulation will be removed from the wire and exposed as it comes out of the bottom of the sheets, Loop around and back in...
  3. MikeRCS

    Ultrasonic Welding Question

    I am very unfamiliar with Ultrasonic Welding of plastics and I was wondering if it is suitable for an application I have. I want to run wire through a flat piece of plastic. I am curious to find out if it is possible to sandwich the wire between two pieces of plastic and ultrasonically weld them...
  4. MikeRCS

    Bright and Solution Annealing

    Hello All, We are purchasing some 316 tube from a supplier and the material has to meet NACE MR0175. The Standard states that Austenitic Stainless Steels shall be solution annealed and quenched. The supplier has came back to us and said that they can only offer bright annealed. It is my...
  5. MikeRCS

    Standard for Glass Sealed Hermetic Connectors?

    I'll try to make this as short as possible, so please bare with me. We make corrosion probes that are placed into the process with the back side connector out of the process for electrical hookup to read the probe. Over the lifetime of the probe, the probe element may corrode thru allowing...
  6. MikeRCS

    Ductile to Brittle Transition Temperature (DBTT)

    Thank you very much for your input. The tool is going to be used outdoors in Alaska where temps can reach -50°F. However I doubt if the tool will see this temperature as it will be kept in a vehicle until used and the fluid pressurizing it internally will be much warmer. Does anyone know if...
  7. MikeRCS

    Ductile to Brittle Transition Temperature (DBTT)

    I am trying to find a list or some info on the DBTT for various metals. Particularly 316 and 17-4 Stainless Steels. These are used in a pressure containing tool that we manufacture and a customer would like to use them in an very cold environment. The tool is rated to withstand 6000 psi and I...

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