Does jb weld work on cast iron. Its hotter and has certain physical characteristics that require extra attention before welding begins. Jay lenos garage and antique cast iron welding repair tig time duration. Lots of people can weld mild steel or aluminum but arent much good at cast iron. We are here to help.
Trusted by pros and diy ers for 50 years. J b weld has a tensile strength of 3900 psi. Example number 1 your exhaust manifold has developed a stress crack near a bolt. J b weld understands that it can be overwhelming when selecting a new product.
If youre welding steel which is what most bikes are made of then it will be as strong as steel. With over seventy specialized products and 50 years of experience you can trust us to help you with your project. Which is 65 the strength of filler metal. Jb weld may very well be the greatest thing since mechanics wire and wire tie wraps.
The j b weld company was founded in 1969 by sam and mary bonham. Purchase a tube of epoxy putty such as jb weld or quick steel at your local hardware store. Because welding cast iron isnt the easiest thing to do. J b weld only adheres to the surface so the bond strength is actually only 1800 psi.
Working with a texas am chemist he formulated an original tougher than steel two part epoxy and named it j b weld. Jb weld extremeheat is not an adhesive like jb weld epoxy meaning it is not designed to bond two parts together. Uses are limited only by your imagination. Jb weld cracked block follow up does that really work donnie smith.
How to use jb weld. A proper weld is as strong as the base material sometimes stronger. It is intended to repair cracks and holes in high heat parts. Glenn forget the jb weld and replace it with devcon i used this stuff to repair a blown head gasket on a 6 71 high block is compression rings diesel engine in the amazon river and it held for 25 months and deacon comes is alum mix and steel mix and i believe cast iron mix.
Does jb weld hold long term. How to repair cast iron with jb weld duration.