I have an older tank made of SA-283, Grade C (T.S. 55 ksi)that I want to do a path repair on the bottom using SA-516. Will I have a brittle issue if I perform a repair with SA-516-70. My thoughts are I should be closer to 55ksi and use SA-516-60...or is 15 ksi disparity between carbon steels not a problem???
It seems like somewhere in my past I recall possible cracking of welds if the tensile strength between 2 carbon steels get far appart???
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