Cw307g Nickel Aluminium Bronze Hollow Bar

CW307G Nickel Aluminium Bronze Hollow Bars are high-strength copper alloy tubes designed for demanding industrial and marine applications. They offer exceptional wear resistance, superior corrosion protection, excellent load-bearing capacity, and long service life, making them ideal for bushings, bearings, valve components, hydraulic systems, marine hardware, and heavy engineering equipment.

  • Description
  • Chemical Composition
  • Physical Properties
  • Sizes Available
CATEGORY
ASTMBSENJISDINISOIS
Nickel Aluminum BronzeC63020CA104CW307GH3100 C63012.09781338- CuAl11Ni5Fe5 
NES 833 - Nickel Aluminum BronzeC62730CA 104CW307GC63012.0966CuAl10Ni5Fe4 


Typical Applications:

  • Industrial: Hydraulic Bushings for Earth Moving Equipment, Corrosion Resistant Articles, Bushings, Bearings, Heat Exchanger Flanges, Heat Exchanger Headers, Tanks, Valve Balls, Structural Members, Pump Shafts, Aircraft Parts, Valve Guides, Plunger Tips, Welded Piping Systems, Balls, Gears, Cams, Pump Parts, Shafting, Condenser Tube for Power Stations and Desalting Units, Valve Seats
  • Marine: Pump Parts, Bolts, Nuts, Propellers, Ship Propellers
  • Plumbing: Faucets

 

Equivalent Specifications

SPECIFICATIONSDESIGNATION
ISOCuAl0Ni5Fe4
EuropeanCuAl0Ni5Fe4
BSCA 104
JISC 6301
RussianBrAZN10.4.4

Chemical Composition

 AlCuFeMnNiSiSnZn
Min/Max9.0 - 11.0Rem2.0 - 4.01.54.0 - 5.50.250.20.3
Nominals10.000082.00003.0000-5.0000---

Physical Properties

End ProductSpecification
BarAMS 4640, ASME SB150, ASTM B150, FEDERAL QQ-C-450, SAE J463, J461
Bar, ForgingASTM B124
BoltsASTM F468
Forgins, DieAMS 4640, ASTM B283, MILITARY MIL-B-16166
NutsASTM F467
PlateASTM B171, FEDERAL QQ-C-450
Plate, Condenser TubeASME SB171, ASTM B171
RodAMS 4640, ASME SB150, ASTM B150, SAE J463, J461
Rod, ForgingASTM B124
ScrewsASTM F468
ShapesAMS 4640, ASTM B150, SAE J463, J461
Shapes, ForgingASTM B124
SheetFEDERAL QQ-C-450
StripFEDERAL QQ-C-450
TubeAMS 4640

 

Fabrication

Joining TechniqueSuitability
BrazingFair
Butt WeldGood
Capacity for Being Cold WorkedPoor
Capacity for Being Hot FormedGood
Coated Metal Arc WeldingGood
Forgeability Rating75
Gas Sheilded Arc WeldingGood
Machinability rating30
Oxyacetylene WeldingNot recommended
Seam WeldGood
SolderingNot recommended
Spot WeldGood

 

Physical Properties

Product PropertyUS CustomaryMetric
Coefficient of Thermal Expansion9.0 10−6Per °F (68-572 F)16.2 · 10 6? per °C (20-300 C)
Density0.274 lb/in3 @ 68 F7.58 gm/cm3 @ 20 C
Electrical Conductivity7 %IACS @ 68 F0.041 MegaSiemens/cm @ 20 C
Electrical Resistivity116.0 ohms-cmil/ft @ 68 F19.28 microhm-cm @ 20 C
Melting Point Liquid US1930 F1054 C
Melting Point Solid US1895 F1035 C
Modulas of Elasticity in Tension17500 ksi121000 MPa
Modulas of Rigidity6400 ksi44130 MPa
Specific Gravity7.587.58
Specific Heat Capacity0.09 Btu/lb/°F @ 68 F377.1 J/kg · °K at 293 K
Thermal Conductivity22.6 Btu · ft/(hr · ft2 ·°F) @ 68 F39.1 W/m · °K at 20 C

Sizes Available

ROUND RODS8mm To 70 mm
HEX10mm To 60mm
SQUARE10mm To 60mm
FLAT10mm Min Thickness and max Width 120mm
BILLETSUp to 200 mm
INGOTSAs per Specification
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