Well, the first thing I notice is that it says it's mede from stainless steel - it shouldn't rust like that at all.
Good point, though their website seems to claim otherwise:
www.globalknives.uk.com/faq said:
Can stainless steel rust?
Yes, any stainless steel product can in some circumstances rust but it is much more resistant to corrosion than ordinary carbon or alloy steels. It is 'stain-less' not 'stain-impossible'.
the wife said she had some knifes go like this, when they were in the dishwasher at her mums.
They've not been in a dishwasher, only washed with washing up liquid and a sponge - I made sure to tell no one to put them in there when we got them
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Hmmm...are you sure it's a genuine Global?
I obviously can't be 100% sure but comparing them to the photos on the Global website they look fine. Both it and the other knife are very sharp anyway.
If that was my knife then i would remove the rust using some wet & dry or wire wool then not store it in the block. Sounds like it could be slightly damp in there and its causing the steel to rust. SS will still rust quite easily if its in constant contact with moisture.
We have about 15 knives in the block (two Globals, the rest normal cheap ones) and they all seem fine - but I never thought it might be the block.
I've tried 'erasing' it, that didn't seem to do much, nor does washing it. When I run my finger over it it's a fairly rough surface unlike the rest of the knife.