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  1. saltoh101

    Does welding on stainless rod cause substantial weakening

    Mike - So how does one get a study done, ie. - what type of engineer would be appropriate - how does one find a qualified engineer in the San Diego area - what would you estimate the cost of such a study to be thanks
  2. saltoh101

    Does welding on stainless rod cause substantial weakening

    It is a fillet weld and since the rod is 1.5" in diameter the penetration is definitely not full. The rod is cold drawn but no cold finishing. The 1.5" rod goes thru the full length of the square tube, which has a .25" wall. There is a .125" thick plate (with a 1.5" hole in it and the shape...
  3. saltoh101

    Does welding on stainless rod cause substantial weakening

    So even with the welds around the circumference of the rod it should still bend? Per the web, 316 stainless has these properties: - tensile strength is 85,000 pounds per square inch - Tensile Yield Strength (.2% offset): 276 MPa / 40 kpsi - Ultimate Tensile Strength: 621 MPa / 90 kpsi
  4. saltoh101

    Does welding on stainless rod cause substantial weakening

    Thanks for the compliments... I have found out that the stainless rod is cold drawn, not sure what that means. The adverse conditions could be winds of 40-50mph, however unusual here in San Diego . I guess my biggest concern would be of the rod snapping, if it just bends no one would get...
  5. saltoh101

    Does welding on stainless rod cause substantial weakening

    Attached is a photo of the scale model of the full size sculpture, to give you an idea what I am talking about.http://files.engineering.com/getfile.aspx?folder=532dde28-66f8-4d34-a236-e338349790cd&file=IMG_a.jpg
  6. saltoh101

    Does welding on stainless rod cause substantial weakening

    Metalguy - I have always wondered about the magnetism of stainless. I usually use this to determine whether an unknown metal is stainless or not. What I have found is that most stainless has a low level of magnetism. So are you saying that if the magnet drops off it is annealed and if it...
  7. saltoh101

    Does welding on stainless rod cause substantial weakening

    Hi I have built a sculpture which is supported by a 1.5" diameter, 316 stainless rod. There is a square stainless tube welded to the rod and the welds are completely around the circumference of the rod. The rod (4 feet in length) supports a 7 foot long, 110 lb. dolphin sculpture. The 1.5" rod...

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