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C18080 Wrought HIGH COPPER ALLOYS High Copper Alloys true false https://api.copper.org/alloys.xhtml/C18080
Chemical Composition
Elements
Cu(1,2) Fe Ag Cr Si Ti
(1) Not including Ag.
(2) Cu + Sum of Named Elements 99.8% min.
Min (%) 0.02 0.01 0.20 0.01 0.01
Max (%) Rem 0.20 0.30 0.7 0.10 0.15
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)		 YS-0.2% Offset
(ksi)		 Elongation
(%)		 Vickers Hardness, 3000 gm
* Measured at room temperature, 68°F (20°C).
Flat Products Mill-hardened Temper, TM - Hard TM04 76 Typ
 70 Typ
 9 Typ
 158 Typ
Mill-hardened Temper, TM - XHMS Spring TM08 83 Typ
 80 Typ
 3 Typ
 168 Typ
Physical Properties
Melting Point - Liquidus°F 2000
Melting Point - Solidus°F 1985
Densitylb/cu in. at 68°F 0.322
Specific Gravity 8.91
Electrical Conductivity% IACS at 68°F 80
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 185
Coefficient of Thermal Expansion 68-21210 to -6 power per °F (68 – 212°F) 8.9
Coefficient of Thermal Expansion 68-39210 to -6 power per °F (68 – 392°F) 9.2
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 9.4
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 185000
Modulus of Rigidityksi 7100
Magnetic Permeability 1.01
Poisson's Ratio 0.3
Fabrication Properties
Technique Suitability
Soldering Excellent
Brazing Good
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Not Recommended
Spot Weld Not Recommended
Seam Weld Not Recommended
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Excellent
Common Fabrication Processes

No fabrication process properties for this alloy

Thermal Properties

No thermal properties for this alloy

Typical Uses

No information for this alloy

Applicable Specifications
Form Specific Sub-Form Application System Standard Description
Sheet, Strip, Roller Bar & Plate ASTM B936 COPPER-CHROMIUM-IRON-TITANIUM ALLOY PLATE, SHEET, STRIP AND ROLLED BAR
Corrosion Properties

No Corrosion Properties Available.