ferrite testing
ferrite testing
(OP)
Is ferrite test of Austenitic stainless steel done before and after welding or just after? What is the optimal ferrite so as to avoid cracking.
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RE: ferrite testing
RE: ferrite testing
Depending on conditions specs usually require a 4 or 5 minimum, and some have a max (as low as 8 and some up to 14).
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P.E. Metallurgy, Plymouth Tube
RE: ferrite testing