Thanks for your continual help guys.
Berkshire - tried a stout knife test today and there was no flaking/issues with the adherance of the coating to the steel. The surface seems relatively smooth and the pattern seems to be chemically ingrained rather than physical in nature.
Chicopee - could...
Thanks for the quick responses guys. Berkshire you make an interesting point, I noticed that the effect does not appear on the flanges at all, could the differance in thickness between the web and flanges been a factor??
Chicopee, I tried reducing the photo and reattaching so that its a bit...
Hi
Recently came across the pattern shown in the attached photo on an inspection of galvanised steelwork. Its not something that I have seen before and am curious as to whether anyone else has seen something similar and knows what the cause might be? It is a visual discoloration only and does...
