(d) The Pitting Resistance Equivalent Number (PREN) is given by PREN = Cr + 3.3 X M + 16 x N, where Cr is chromium in pe

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(d) The Pitting Resistance Equivalent Number (PREN) is given by PREN = Cr + 3.3 X M + 16 x N, where Cr is chromium in pe

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D The Pitting Resistance Equivalent Number Pren Is Given By Pren Cr 3 3 X M 16 X N Where Cr Is Chromium In Pe 1
D The Pitting Resistance Equivalent Number Pren Is Given By Pren Cr 3 3 X M 16 X N Where Cr Is Chromium In Pe 1 (32.8 KiB) Viewed 57 times
(d) The Pitting Resistance Equivalent Number (PREN) is given by PREN = Cr + 3.3 X M + 16 x N, where Cr is chromium in percentage; M is molybdenum in percentage and N is nitrogen in percentage. Calculate the PREN of the duplex stainless steel (21 % Cr; 3.5 % M and 0.22 %N) and decide if this steel has sufficient seawater corrosion resistance.
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