C70400 Copper Nickel 95/5

The C70400 Copper-Nickel alloy is excellent on hot and cold workability and is resistant towards atmospheric, brackish water, sea water and non-oxidizing acid corrosion.

Typical uses
Industrial: Condensers, Condenser Plates, Evaporator Tubes, Ferrules, Heat Exchanger Tubes, Corrosion Resistant Corrosion Resistant, Petrochemicals, Salt Water, Erosion and Impingement, Moderate Strength, Retains Strength at High Temperatures.
Marine : Condenser Intake Systems, Salt Water Piping

Specifications
SPECIFICATIONS DESIGNATION
ISO CuNi5Fe1Mn
BS CN 101
Russian MNZ5-1
Chemical Composition:
Cu Fe Pb Mn Ni Zn
Min/Max Rem 1.3 – 1.7 0 – 0.05 0.3 – 0.8 4.8 – 6.2 0 – 1.0
Common Fabrication Processes:
  • Forming and Bending
  • Welding
Thermal Properties
Treatment Minimum* Maximum*
*Measured in Fahrenheit
Annealing 1050 1500
Hot Treatment 1500 1750
Mechanical Properties:
Form Temper Code Tensile Strength (ksi) YS-0.5% Ext (ksi) Elongation (%) Rock well B scale Rock well F scale Rock well 30T scale YS- 0.2% Offset
Strip H02 57 Typ 11 Typ 67 Typ 65 Typ 55 Typ
H01 51 Typ 21 Typ 54 Typ 57 Typ 40 Typ
O61 38 Typ 12 Typ 41 Typ 8 Typ
H06 70 Typ 3 Typ 75 Typ 69 Typ 69 Typ
H04 64 Typ 5 Typ 72 Typ 68 Typ 63 Typ
H08 77 Typ 2 Typ 76 Typ 70 Typ 76 Typ
Tube H55 48 Typ 36 Typ 18 Typ 67 Typ
OS025 41 Typ 14 Typ 46 Typ 58 Typ
* Measured at room temperature, 68°F (20°C).
Physical Properties:
Melting Point – Liquidus°F 2050
Densitylb/cu in. at 68°F 0.323
Specific Gravity 8.94
Electrical Conductivity% IACS at 68°F 14
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 37
Coefficient of Thermal Expansion 68-57210?6 per °F (68 – 572°F) 9.7
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 17000
Modulus of Rigidityksi 6400
Fabrication Properties:
Technique Suitability
Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Fair
Gas Shielded Arc Welding Excellent
Coated Metal Arc Welding Good
Spot Weld Good
Seam Weld Good
Butt Weld Good
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Good
Machinability Rating 20
Specification:
Form Application System Standard Description
Pipe ASTM B466 Seamless Copper-nickel Pipe And Tube
Tube Condenser Tube ASME SB111 Copper And Copper Alloy Seamless Condenser Tubes & Ferrule Stock
ASME SB359 Copper & Copper Alloy Seamless Condenser & Heat Exchanger Tubes With Integral Fins
ASME SB466 Seamless Copper-nickel Pipe And Tube
ASME SB543 Welded Copper And Copper Alloy Tube
Condenser Tube ASTM B111 Copper And Copper Alloy Seamless Condenser Tubes And Ferrule Stock
ASTM B359 Copper And Copper-alloy Seamless Condenser And Heat Exchanger Tubes With Integral Fins
ASTM B395 U-bend Seamless Copper And Copper Alloy Heat Exchanger And Condenser Tubes
ASTM B466 Seamless Copper-nickel Pipe And Tube
ASTM B543 Welded Copper And Copper Alloy Heat Exchanger Tube

C70400 Copper Nickel 95/5

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