Copper Alloys

Stainless designationStandard designationsInternational StandardsFormDescription
ST 630Aluminium Bronze
CuAlNi, UA10N
CuAl10Ni5Fe4
UNS C63000
2.0966
AMS 4640, NFL 14-705
ASTM B 150, DIN 17665
CA 105, BS 2875
Bar
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Aluminium bronze with high strength, and good corrosion and oxidation resistance
UA11NUA11N
CuAl11Ni5Fe5
BSB 23
DTD 197A
UNS C 63020
2.0978
DIN 17665
NFL 14-706
Bar
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Same as ST 630 but with higher strength
ST 630-20AMSUNS C 63020AMS 4590Bar
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Aged UA11N. Exhibits the highest mechanical properties of all the aluminium bronzes.
ST 955UNS C 95510AMS 4880TubeContinuously cast tube exhibiting good strength and wear resistance
UZ19A6CuZn19Al6NFL 14-707Bar
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High strength brass with good friction and wear properties
ST 647UN2S, UN3S
CuNi3Si
UNS C 64700
2.0855
NFL 14-701, DTD 498
BSB 25, ASTM B 411
Bar
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Alloy with a good combination of strength and friction properties
ST 656CuSi3Zn3Fe1,5AMS 4616Bar
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Alloy with good wear and friction properties particularly suitable for roller bearings
UN14A2CuNi14Al2, 2.1504NFL 14-702Bar
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Alloy combining high strength with very good oxidation and corrosion resistance
ToughMet 3 AT(1)
CuNi15Sn8
UNS C 72900
Spinodal hardening alloy
AMS 4596
AMS 4598
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Strip
Beryllium-free alloy exhibiting high strength and very good machineability
ToughMet 3 TS(1)
CuNi15Sn8 Cold-drawnAMS 4597
ASTM B 249
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Same alloy as above with even higher strength, similar to that of CuBe2

(1) Trademark Materion Corp.

Additional alloys available upon request

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