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Easy Cast Iron Engine Block Welding

Testimonials

Mike,

These pics come from a new aerospace test facility that they are constructing at the University of Notre Dame. The SSF-6 is working great.

 

aluminum welding and metal repair

I am attempting to make all of these fittings air tight as they are used for pressure measurements. We can¹t have any leaks. I had very little warpage of my base metal and I think this is really going to work out very well.

 

metal fabrication and repair with muggyweld

Thank you,

 

David Hipskind
Turbomachinery Technician
The University of Notre Dame
Institute for Flow Physics and Control (FLOWPAC)
The Hessert Laboratory for Aerospace Research

 

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watch our metal repair videos on youtube

 

Please observe proper AWS safety guidelines

 

 

 

This diesel Yanmar cast iron engine had a large hole in the block, caused by a thrown push rod.

 

For this repair,  the welders at PDX TIG Welding in Portland, Oregon employed a mild steel plate to weld to the cast iron engine block,  and utilized 77 cast iron arc electrode, 2% lanthanated tungsten with 17 lbs argon.

 

After removing the coating from the 77 rod by dropping them in a bucket for a few minutes, PDX used tack welds to secure the steel plate in place before applying 1/2 inch welds throughout the weld area-- cooling the part for a minute or two between passes.

 

This "peening" technique is helpful when welding cast iron, as well as gently heating the block to cool the part slowly.

 

In this instructional video, cast iron welding tips and techniques are discussed.

 

77 Electrode Products

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1/2 lb 77 Electrode 3/32"
1/2 lb 77 Electrode 3/32"

Save those expensive parts: cast iron exhaust manifolds, cast iron engine blocks, Caterpillar parts..

1/2 lb 77 Electrode 1/8"
1/2 lb 77 Electrode 1/8"

Save those expensive parts: cast iron exhaust manifolds, cast iron engine blocks, Caterpillar parts..

1/2 lb 77 Electrode 5/32"
1/2 lb 77 Electrode 5/32"

Save those expensive parts: cast iron exhaust manifolds, cast iron engine blocks, Caterpillar parts..

1 lb 77 Electrode 3/32"
1 lb 77 Electrode 3/32"

Save those expensive parts: cast iron exhaust manifolds, cast iron engine blocks, Caterpillar parts..

1 lb 77 Electrode 1/8"
1 lb 77 Electrode 1/8"

Save those expensive parts: cast iron exhaust manifolds, cast iron engine blocks, Caterpillar parts..

1 lb 77 Electrode 5/32"
1 lb 77 Electrode 5/32"

Save those expensive parts: cast iron exhaust manifolds, cast iron engine blocks, Caterpillar parts..

5 lb 77 Electrode 3/32"
5 lb 77 Electrode 3/32"

Save those expensive parts: cast iron exhaust manifolds, cast iron engine blocks, Caterpillar parts..