Stainless Steel Pipe Fittings

ASTM-A790-UNS31803-GR2205-Duplex-Steel-SMLS-Pipe-DN200-SCH40S-01

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Calculation of Pitting Resistance Equivalent Numbers PREN By yaang.com

Pitting resistance equivalent numbers (PREN) are a theoretical way of comparing the pitting corrosion resistance of various types of stainless steel, based on their chemical composition.

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