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Marinel 220

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Marinel 220
Copper Nickel
Base Element Cu(Copper)

Element Min Max
Al(Aluminium) 1.6% 2.2%
C(carbon) 0.05%
Cr(Chromium) 0.36% 0.48%
Fe(Iron) 0.65% 0.85%
Mg(Magnesium) 0.05%
Mn(Manganese) 4 5%.6%
Nb (Niobium) 0.55% 0.9%
Ni(Nickel) 18% 25%
P (Phosphorus) 0.01%
Pb (Lead) 0.02%
S(Sulphur) 0.15%
Si(Silicon) 0.15%
Sn(Tin) 0.15%
Zn(Zinc) 0.2
Mechanical Properties Min Max
Ultimate Tensile Strength (UTS) 870 MPa
0.2% Proof Stress 700 MPa
Elongation 15%
Hardness (Brinell) 240 320 HB


Commonly used within the Oil and Gas industries, as risers, subsea manifolds, heat exchangers and more. Also used in the Defence industry as bolting for ships and submarines, as well as valve components and connector rods for the Automotive industry.

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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