R Robsdt New Member Messages 2 Location USA, Ohio Aug 5, 2016 #1 When I weld large build ups on big 6510 castings, I will get porosity and surface cracks. Typically I preheat to 400 and pean vigorously with a needle scaler.
When I weld large build ups on big 6510 castings, I will get porosity and surface cracks. Typically I preheat to 400 and pean vigorously with a needle scaler.
A aametalmaster Member Messages 763 Location Salem Ohio USA Aug 7, 2016 #2 I have never welded tool steel with a mig just stick. What wire are you using?...Bob
R Robsdt New Member Messages 2 Location USA, Ohio Aug 7, 2016 #3 I'm using #965 wire, made by Vulcan Systems. .045 diameter, and I will usually try to set welder to spray
I'm using #965 wire, made by Vulcan Systems. .045 diameter, and I will usually try to set welder to spray