[Brettm357]

How much penetration is classed as enough tested 6mm plate with 0.035 flux core wire with 2 different wire speeds

https://imgur.com/gallery/TQrQK

[Poland308]

The penetration looks good on both. What you need to also look for on a fillet weld is thickness. As your looking at your etch you will see the weld has a triangular shape. the leg length needs to be as long as the metal is thick.

image.jpg (47.73 KiB) Viewed 879 times

[Brettm357]

Ok the right one it is might need to make the weld slightly bigger - thankyou for your guidance

Also what is the book you have in the picture

[Poland308]

It's one I got through the pipe fitters apprenticeship.