On 7/31/2017 12:19 PM, newshound wrote:
On 7/31/2017 10:06 AM, Nightjar wrote:
On 29-Jul-17 9:05 PM, newshound wrote:
...
I still think that the readily available A2 stainless should work.
Disclaimer: I'm not a proper chemist and happy to be corrected.

Which is more likely to cause problems in the long term; assuming it
could rust and being wrong or assuming it won't and being wrong?

My eminent old colleague Jack Harris advised on repairs to St Paul's,
although I can't immediately locate details of the replacement metal parts.

https://www.theguardian.com/world/20...rris-scientist


However, the very long studs which now hold together the corners of the
tower of York Minster are certainly made from austenitic stainless steel.

These people sell stainless steel fittings so are hardly unbiassed, but
they seem to think it is OK in mortar and stonework

http://www.ssina.com/download_a_file/wallties.pdf