R stamp requirements
R stamp requirements
(OP)
Hi all,
If the Stainless Steel bolts of a U-stamped Heat exchanger body flange (Channel-tubesheet-shell) are going to be replaced with Carbon Steel bolts, would that need R stamp on the Heat exchanger?
Thanks
If the Stainless Steel bolts of a U-stamped Heat exchanger body flange (Channel-tubesheet-shell) are going to be replaced with Carbon Steel bolts, would that need R stamp on the Heat exchanger?
Thanks