17/10/2018    www.weldability-sif.com    Weldability | Sif    sales@weldability-sif.com    0845 130 7757

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Weldability Sif Technical Knowledge Database

Welcome to the Weldability Sif Technical Knowledge Database. We answer many technical questions daily in assisting customers with selecting and using our products in their applications. You can search these questions using the box below, to find the answers you seek.





Displaying KnowledgeBase entry 1084:


A. The mig filler wire for welding LG4 gun metal is sifmig 8. Note, due to the lead content in the gun metal casting the first weld may have porosity. This will require grinding away and a further weld to take place.