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Name:C72200
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Brief introduction: C72200
White copper is a copper-based alloy with nickel as the main added element, which is silvery-white and has a metallic luster, so it is called white copper.
Product Description
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Chemical Composition
Elements
Cu(1,2,3) Pb(4) Zn(5) Fe Ni(6) Cr Mn Si Ti
(1) Cu value includes Ag.
(2) The following additional maximum limits shall apply: When the product is for subsequent welding applications and is so specified by the purchaser Zn 0.50% P 0.02% Pb 0.02% S 0.02% (0.008% S for C71110) and C 0.05%.
(3) Cu + Sum of Named Elements 99.8% min.
(4) The following additional maximum limits shall apply: When the product is for subsequent welding applications and is so specified by the purchaser Zn 0.50% P 0.02% Pb 0.02% S 0.02% (0.008% S for C71110) and C 0.05%.
(5) The following additional maximum limits shall apply: When the product is for subsequent welding applications and is so specified by the purchaser Zn 0.50% P 0.02% Pb 0.02% S 0.02% (0.008% S for C71110) and C 0.05%.
(6) Ni value includes Co.
Min (%) 0.50 15.0 0.30
Max (%) Rem 0.05 1.0 1.0 18.0 0.7 1.0 0.03 0.03
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)
YS-0.2% Offset
(ksi)
Elongation
(%)
* Measured at room temperature, 68°F (20°C).
Strip Annealed O61 46 Typ
18 Typ
46 Typ
Hard H04 70 Typ
66 Typ
6 Typ
Tube Light Anneal O50 46 Typ
18 Typ
46 Typ
Light Drawn, Light Cold Rolled H55 70 Typ
68 Typ
Physical Properties
Melting Point - Liquidus°F 2148
Melting Point - Solidus°F 2052
Densitylb/cu in. at 68°F 0.323
Specific Gravity 8.94
Electrical Conductivity% IACS at 68°F 6.53
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 19.9
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 8.8
Specific Heat CapacityBtu/ lb /°F at 68°F 0.094
Modulus of Elasticity in Tensionksi 20000
Modulus of Rigidityksi 8200
Fabrication Properties
Technique Suitability
Soldering Good
Brazing Good
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 Good
Capacity for Being Hot Formed Good
Common Fabrication Processes
      • Bending
      • Forming
      • Welding
Thermal Properties
Treatment Minimum* Maximum*
* Temperature is measured in Fahrenheit.
Annealing 1350 1500
Hot Working Temperature 1650 1900
Typical uses
Product Category Product Reason Category Reason
Industrial Condenser Tubing Corrosion Resistance Corrosion Resistance
Condenser Tubing Corrosion Resistance Corrosion Resistance to 700 F.
Condenser Tubing Corrosion Resistance Corrosion Resistance to Salt Water
Condenser Tubing Corrosion Resistance Erosion and Impingement Corrosion Resistance
Condenser Tubing Mechanical Properties Moderate Strength
Condenser Tubing Softening Resistance Resistance to Softening
Heat Exchanger Tubing Corrosion Resistance Corrosion Resistance
Heat Exchanger Tubing Corrosion Resistance Corrosion Resistance to 700 F.
Heat Exchanger Tubing Corrosion Resistance Corrosion Resistance to Salt Water
Heat Exchanger Tubing Corrosion Resistance Erosion and Impingement Corrosion Resistance
Heat Exchanger Tubing Mechanical Properties Moderate Strength
Heat Exchanger Tubing Softening Resistance Resistance to Softening
Marine Salt Water Piping Corrosion Resistance Corrosion Resistance
Salt Water Piping Corrosion Resistance Corrosion Resistance to 700 F.
Salt Water Piping Corrosion Resistance Corrosion Resistance to Salt Water
Salt Water Piping Corrosion Resistance Erosion and Impingement Corrosion Resistance
Salt Water Piping Mechanical Properties Moderate Strength
Salt Water Piping Softening Resistance Resistance to Softening
Applicable Specifications
Form Specific Sub-Form Application System Standard Description
Bar ASTM B122/B122M COPPER-NICKEL-ZINC ALLOY (NICKEL-SILVER) AND COPPER-NICKEL PLATE, SHEET, STRIP, AND ROLLED BAR
Condenser & Heat Exchanger Tube with Integral Fins ASTM B956/B956M WELDED COPPER AND COPPER-ALLOY CONDENSER AND HEAT EXCHANGER TUBES WITH INTEGRAL FINS
Pipe ASTM B466/B466M SEAMLESS COPPER-NICKEL PIPE AND TUBE
Plate Condenser Tube ASTM B171/B171M COPPER ALLOY CONDENSER TUBE PLATES
ASTM B122/B122M COPPER-NICKEL-ZINC ALLOY (NICKEL-SILVER) AND COPPER-NICKEL PLATE, SHEET, STRIP, AND ROLLED BAR
Sheet ASTM B122/B122M COPPER-NICKEL-ZINC ALLOY (NICKEL-SILVER) AND COPPER-NICKEL PLATE, SHEET, STRIP, AND ROLLED BAR
Strip ASTM B122/B122M COPPER-NICKEL-ZINC ALLOY (NICKEL-SILVER) AND COPPER-NICKEL PLATE, SHEET, STRIP, AND ROLLED BAR
Tube ASTM B543/B543M WELDED COPPER AND COPPER ALLOY HEAT EXCHANGER TUBE
Condenser Tube ASTM B111/B111M COPPER AND COPPER ALLOY SEAMLESS CONDENSER TUBES AND FERRULE STOCK
ASTM B395/B395M U-BEND SEAMLESS COPPER AND COPPER ALLOY HEAT EXCHANGER AND CONDENSER TUBES
ASTM B552 SEAMLESS AND WELDED COPPER-NICKEL TUBES FOR WATER DESALTING PLANTS
ASTM B359/B359M COPPER AND COPPER-ALLOY SEAMLESS CONDENSER AND HEAT EXCHANGER TUBES WITH INTEGRAL FINS
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