Welding cast steel coupling to steel tub
Welding cast steel coupling to steel tub
(OP)
Is it possible to weld cast steel coupling to steel tubing(1.500
x .375 wall,low carbon steel)without preheating the cast steel.
Is there a cast steel material that doesn't require preheating.
What welding process is best for cast steel.
x .375 wall,low carbon steel)without preheating the cast steel.
Is there a cast steel material that doesn't require preheating.
What welding process is best for cast steel.





RE: Welding cast steel coupling to steel tub
Would a heating source like a oxy acetylene or propane torch not be easy to use?
How large is the cast steel coupling?
What is composition/ type of steel in casting?
What preheat temperature are you considering - this relates to Q 2 and 3 above?
As usual, more information will generate a better answer.
RE: Welding cast steel coupling to steel tub
In carbon steels Pre-heat is mainly to stop hydrogen cracking.
You may find that if your carbon content is low preheat may not be required.
There is an article on preheat on my web site www.gowelding.com, which you may find useful; it also includes a pre-heat calculator.
RE: Welding cast steel coupling to steel tub
2)if it does not fuse right cast w/ nickle gives a smoother
more controled pass, cleaner appearance with penertation
3)gas weld w/brazing rod
cast weld should be pitted after weld ( # 1, 2 )
and 3 don't need to ( but it good ) depends on your situation
it all depends what it will be use for and what type of work this it calls for and doing
RE: Welding cast steel coupling to steel tub
RE: Welding cast steel coupling to steel tub
Your best rod will probably be a utility rod, We used, USA, ALLSTATE 275 (essentially 312 S/S) for all this type welding.