Copper-NickelBeryllium-freeIn production
Navinic 30
CuNi30Mn1Fe · C71500 · C71520
Navinic 30 is a CuNi30Mn1Fe alloy supplied as bars and tubes for high-strength seawater service in marine and defence equipment. It is used in submarine pressurised circuits and exchanger pipes.
130–300 MPaYield strength
350–460 MPaTensile strength
15–30 %Elongation
80–120 HBHardness HB
Specify this grade
Qualification packs are released after a short form. Export control applies.
Properties
Guaranteed values, by temper.
- Alloy family
- Copper-Nickel
- Chemistry family
- CuNiMn
- Lead-free
- Yes
Forms
Forms & dimensions available
Bars3 variant(s)
Tubes1 variant(s)
Dimensional ranges and tolerances on request — machining and finishing are in house.
Standards
Standards & equivalences
- ASTM B171
- ASTM B466
- BS 2871
- BS 2874
- MIL C 15726
Product and process qualifications are listed above. Customer approvals are confidential and are not disclosed.
Applications
Markets & applications
Applications
- Pressurised seawater circuits for submarines
- Heat exchanger pipes
- Seawater pipeline systems in shipbuilding
Why this grade
Resists pitting, erosion-corrosion, stress corrosion and fouling in seawater.
Good behaviour in ammoniacal environments.
Non-magnetic.
Compliant with ASTM B171, ASTM B466 and MIL C 15726.
Alternatives
If this grade is not the right trade-off.
GradeChemistryYield strengthChoose it when
C97 ZeSTCuNi
Niclal 02RCuNi
Niclal 08RCuNi
Niclal 13RCuNi
Niclal 15RCuNi
Niclal 23RCuNiMn
Niclal 25RCuNi
Niclal 30ACuNiMn
Niclal 30A FeCuNiMn
Niclal 30BCuNi
Niclal 30B FeCuNiMn
Niclal 30DCuNiMn
Niclal 30RCuNi