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  • Users: JackRu
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  1. JackRu

    Heat-treated 4130: ability to withstand high torque with large angular deflection

    Hi all, So I am trying to replicate a tool known as an increment borer. It is a hollow shaft with hollow cutting threads on one end meant to screw into live wood and extract a 16"-long core sample. I have been told by their engineers that the borer is made out of Uddeholm Rigor (XW-10) steel...
  2. JackRu

    Calculating Shear Stress of 4130 Steel Tubing

    Hi all, Do you know how I might go about calculating the maximum shear stress of a 16"-long, 0.375" OD x 0.259" ID Q&T 4130 tube? It has a yield strength of 1110MPa and ultimate tensile strength of 1145MPa. I am trying to calculate the maximum permissible torque that can be applied before...

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