Thanks again everyone. We are in the middle of growing grapes at the moment, so water is going on. I have patched it to hold for now and I will look at it in the end of the season. I think my direction will be marking it round and plasma cutting it off, then getting an end cap or a flanged cap with ...

Hi Mick,
The job is in Ararat. Not too far from you. It is defiantly stainless. I ran some Tig beads to patch it yesterday, but where one plugged another opened. We'll address the issue when irrigation is not required for the season.
Cheers.

Thanks everyone for the advice, its really appriciated. I will pass it to the deciding powers. Certainly starting again it a good thought, with a proper endcap. Any thoughts on getting a straight cut to square up an end cap without too many big gaps when I seat it? Plasma and a line? or some other c...

Hello, I have a repair job on an irrigation system. Its 2 stainless end caps on 8inch pipe which have been repair many times with arc. It get repeated pin holes and hairline cracking along the weld.These pipes are under large pressure (500kpA) Just wondering if anyone had any tips for me. I was thin...