PREN = Pitting Resistance Equivalent Number
PREN = Cr% + 3.3 x (Mo% + 0.5 x W%) + 16 x N%
Chromium (Cr)
Molybdenum (Mo)
Tungsten (W)
Nitrogen (N)
PREN Value
PREN = Pitting Resistance Equivalent Number
PREN = Cr% + 3.3 x (Mo% + 0.5 x W%) + 16 x N%
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