BRONZE - Nickel Al Bronze C-630

Chemical Composition
(%max., unless shown as range or min.)

Cu(1)
Al
Fe
Mn
Ni(2)
Si
Sn
Zn
Min./Max. Rem. 9.0-11.0 2.0-4.0 1.5 4.0-5.5 .25 .20 .30
Nominal 82.0 10.0 3.0 - 5.0 - - -


(1) Cu value includes Ag.
(2) Ni value includes Co.
Note: Cu + Sum of Named Elements, 99.5% min.

 

Fabrication Properties 


Joining Technique
Suitability
Soldering Not Recommended
Brazing Fair
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Good
Coated Metal Arc Welding Good
Spot Weld Good
Seam Weld Good
Butt Weld Good
Capacity for Being Cold Worked Poor
Capacity for Being Hot Formed Good
Forgeability Rating 75
Machinability Rating 30

 

Applicable Specifications


Product
Specification
Bar AMS 4640
ASME SB150
ASTM B150
FEDERAL QQ-C-450
SAE J461, J463
Bar, Forging ASTM B124
Bolts ASTM F468
Forgings, Die AMS 4640
ASTM B283
MILITARY MIL-B-16166
Nuts ASTM F467
Plate ASTM B171
FEDERAL QQ-C-450
Plate, Condenser Tube ASME SB171
ASTM B171
Rod AMS 4640
ASME SB150
ASTM B150
SAE J461, J463
Rod, Forging ASTM B124
Screws ASTM F468
Shapes AMS 4640
ASTM B150
SAE J461, J463
Shapes, Forging ASTM B124
Sheet FEDERAL QQ-C-450
Strip FEDERAL QQ-C-450
Tube AMS 4640

 

Typical Uses

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

Common Fabrication Processes:
Forging, Hot forming

 

Mechanical Properties
(measured at room temperature, 68 F (20 C)
*Fatigue Strength: 100 x 10 6cycles, unless indicated as [N]X 106.

 

Temper Section
Size
Cold
Work
Typ/
Min
Temp Tensile
Strength
Yield
Strength
(0.5% ext.
under load)
Yield
Strength
(0.2%
offset)
Yield
Strength
(0.05%
offset)
El Rockwell
Hardness
Vickens
Hard.
Brinell
Hard.
Shear
Strength
Fatigue
Strength*
Izod
Impact
Strength

in. %
F ksi ksi ksi ksi % B C F 30T 500 500 3000 ksi ksi ft-lb

mm.

C MPa MPa MPa MPa







MPa MPa J
Bar
HR50 1 10 TYP 68 110 62 - - 15 97 - - - - - - - - 0.0

25.4

20 758 427 - - 15 97 - - - - - - - - 0.0
HR50 2 10 TYP 68 100 60 - - 15 96 - - - - - - - - 0.0

51

20 689 414 - - 15 96 - - - - - - - - 0.0
M30 3 0 TYP 68 90 50 - - 15 96 - - - - - - - - 0.0

76

20 621 345 - - 15 96 - - - - - - - - 0.0
Rod
HR50 1 10 TYP 68 118 75 - - 15 98 - - - - - - 70 37 0.0

25.4

20 814 517 - - 15 98 - - - - - - 483 255 0.0
HR50 2 10 TYP 68 115 65 - - 18 96 - - - - - - 69 38 0.0

51

20 793 448 - - 18 96 - - - - - - 476 262 0.0
HR50 3 10 TYP 68 112 62 - - 20 96 - - - - - - 65 37 0.0

76

20 772 427 - - 20 96 - - - - - - 448 255 0.0
M30 4 0 TYP 68 100 60 - - 15 96 - - - - - - 62 36 0.0

102

20 689 414 - - 15 96 - - - - - - 427 248 0.0


Physical Properties


US Customary
Metric
Melting Point - Liquidus 1930 F 1054 C
Melting Point - Solidus 1895 F 1035 C
Density 0.274 lb/in3 at 68 F 7.58 gm/cm3 @ 20 C
Specific Gravity 7.58 7.58
Electrical Resistivity 116.0 ohms-cmil/ft @ 68 F 19.28 microhm-cm @ 20 C
Electrical Conductivity 7 %IACS @ 68 F 0.041 MegaSiemens/cm @ 20 C
Thermal Conductivity 22.6 Btu · ft/(hr · ft2 · oF) at 68F 39.1 W/m · oK at 20 C
Coefficient of Thermal Expansion 9.0 ·10-6 per oF (68-572 F) 16.2 ·10-6 per oC (20-300 C)
Specific Heat Capacity 0.09 Btu/lb/oF at 68 F 376.78 J/kg · oK at 293 K
Modulas of Elasticity in Tension 17500 ksi 121000 MPa
Modulus of Rigidity 6400 ksi 44130 MPa