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Z2 CNDU 20.18.7

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254 SMO
Z2 CNDU 20.18.7
SS 2378


Base Element Fe(Iron)
High-alloy austenitic stainless steel

Element Min Max
C(Carbon) 0.02%
Cr(Chromium) 20.5%
Mo(Molybdenum) 6.5%
N(Nitrogen) 0.22%
Ni(Nickel) 17.5% 18.5%
Mn (Manganese) 1.00%
P (Phosphorus) 0 030%
S (Sulphur) 0.010%
Si (Silicon) 0.8%
Cu (Copper) 0.05% 1%

Mechanical Properties

Mechanical Property Min Max
Ultimate Tensile Strength (UTS) 650 MPa
Yield Stress 300 MPa
Elongation 35%
Gauge Length A5D

Heat Treatment
Hot rolled, annealed, pickled
Hot rolled, annealed, machined
Hot rolled, annealed, ground


Used in Sea water and other aggressive chloride-bearing mediums. (I.e. Ships)

Information is given for illustrative purposes only. Tachart accepts no responsibility for the accuracy of the data contained within or the use of the data by any other party.
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