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Welding Stainless Steel

Welding Stainless Steel, with the Henrob 2000 oxyacetylene torch


STREAMING VIDEO DEMONSTRATION
Welding Stainless Steel -- 1:28s -- 240x180 wmv -- 320x240 wmv
Welding Stainless Steel, with the Henrob 2000 oxyacetylene torch

 

 
We use a carburizing flame - see the inner most cone - We weld this type of metal with the tip of the inner cone.
welding stainless steel with the Henrob 2000 Keep it just up off of the metal. The rod we are using here is a standard stainless T.I.G. rod.

Walk up the rod and wash it back in the puddle. Move the torch very little. (No weaving or oscillating)
Nice weld - The discoloration will buff right out.

suggestions

General
  • Identify the alloy of the steel.
  • The maximum thickness of stainless you should attempt is 1/2" - Thicker metals will require preheating.
Torch Tip
  • Use the #00 for 0.010 to 0.020
  • Use the #0 for 0.025 to 0.030
  • Use the #0.5 for 0.035 to 0.045
  • Use the #1 for 0.050 to 1/8"
  • Use the #2 for > 1/8"
Gas Settings
  • Use 4 to 4 1/2 psi on both gases
  • If a 50' hose is used, increase your pressure 1 to 2 psi (see setting up the torch)
Flame Setting
  • Use a carburizing flame (excess acetylene)
  • See image above - "the inner most cone"
Flux
  • We recommend Solar Flux for best weld appearance. (see our accessories page)
  • For 100% penetration a flux or inert gas must be used on the back side.
Rod Selection
  • Identify the alloy of the steel that you are welding, and use corresponding rod.
  • If identification is not possible and the steel is magnetic, try the 308 / 309 rods.
  • If non magnetic use the 308 / 316 rods
  • or shear small strips of excess metal off and use as a welding rod.
Technique
 Move torch in slow small increments - and do not weave or oscillate the torch. Do not remove flame from metal abruptly as this may crystallize the weld.

 
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