- Thread starter Mikey D
- Start date
, the steel has been outside that long and has some surface rust . will it galv ok ?? after all its goes in an acid bath prior to dipping 
If its just light surface rust the galvaniser may just put it in the acid bath, he may want it blasted depending if the rust is heavy.
If i remember right it is a hydrogen reduction reaction, & in hydrocloric acid with a bit of zinc the rust will be removed quickly & violently, trouble is heavy rust will kill the acid faster so the galvaniser likes stuff to be clean as possible.
I just used Rayleigh Galvanisers who farm their stuff out to a plant in East London & they were very reasonable on price.
If i remember right it is a hydrogen reduction reaction, & in hydrocloric acid with a bit of zinc the rust will be removed quickly & violently, trouble is heavy rust will kill the acid faster so the galvaniser likes stuff to be clean as possible.
I just used Rayleigh Galvanisers who farm their stuff out to a plant in East London & they were very reasonable on price.
Hello Mike,
I've just had a couple of 100 x 50 x 6 x 3 metre channels done, they had been outside for more than a year so very rusty. The galvaniser was quite happy to just acid dip them. If they had to be blast cleaned he said it would be about £80 quid, which is what the galvanising cost!
Alec
I've just had a couple of 100 x 50 x 6 x 3 metre channels done, they had been outside for more than a year so very rusty. The galvaniser was quite happy to just acid dip them. If they had to be blast cleaned he said it would be about £80 quid, which is what the galvanising cost!
Alec
