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Alloy 20

Alloy 20

Alloy 20 utilizes its nickel, chromium, molybdenum and copper components to provide superior corrosion resistance. Products are supplied to meet ASTM, ASME, NACE, UNS and EN standards where appropriate. UNS N08020.

Mechanical Properties* (in annealed condition) 

PropertiesUnit of MeasureAlloy 20
Tensile Strengthksi80 min
0.2% Yield Strengthksi35 min
Elongation%30 min
HardnessHV95 max

*Nominal Room Temperature Mechanical Properties.  Typical Data.  Not suitable for design or specifications.

Composition

Element Alloy 20
CrChromium19.0-21.0
NiNickel32.5-35.0
MoMolybdenum2.0-3.0
MnManganese2.000 max
SiSilicon1.000 max
PPhosphorus0.035 max
CCarbon0.060 max
SSulfur0.035 max
CuCopper3.0-4.0
Nb + TaNiobium + Tantalum8xC 1.0 min
FeIronBalance