Find suppliers for this alloyC18900
C18900WroughtHIGH COPPER ALLOYSHigh Copper AlloysTrueTruehttps://api.copper.org/CDA-API/alloys.xhtml/C18900
Chemical Composition
Element
Cu(1,2)PbSnZnPAlMnSi
(1) Cu + Sum of Named Elements 99.5% min. (2) Cu value includes Ag.
Min (%)0.60.100.15
Max (%)Rem0.020.90.100.050.010.300.40
Mechanical Properties*
Form
Temper
Temper Code
Tensile Strength
(ksi)		YS-0.5% Ext
(ksi)		Elongation
(%)		Section Size
(in)		Cold Work
(%)
RodHardH0456   Typ
52   Typ
14   Typ
0.12535
Soft AnnealO6038   Typ
9   Typ
48   Typ
0.125
WireHardH0490   Typ
0.06296
H0495   Typ
0.04599
H0484   Typ
0.09392
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1967
Densitylb/cu in. at 68°F0.322
Specific Gravity8.91
Electrical Conductivity% IACS at 68°F30
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F75
Specific Heat CapacityBtu/ lb /°F at 68°F0.09
Fabrication Properties
Technique Suitability
SolderingExcellent
BrazingExcellent
Oxyacetylene WeldingExcellent
Gas Shielded Arc WeldingExcellent
Coated Metal Arc WeldingGood
Spot WeldFair
Seam WeldNot Recommended
Butt WeldExcellent
Capacity for Being Cold WorkedExcellent
Capacity for Being Hot FormedExcellent
Machinability Rating20
Common Fabrication Processes
  • Welding
    
Thermal Properties
Treatment Minimum* Maximum*
* Temperature is measured in Fahrenheit.
Annealing9251100
Typical uses
Product Category Product Reason Category Reason
IndustrialWelding Rod and WireConductivity (Electrical)Electrical Conductivity
Welding Rod and WireConductivity (Thermal)Thermal Conductivity
Welding Rod and WireCorrosion ResistanceCorrosion Resistance
OrdnanceArtillery Projectile Rotating Bands, WeldedCorrosion ResistanceCorrosion Resistance
Artillery Projectile Rotating Bands, WeldedFriction & Wear PropertiesGalling Resistance
Artillery Projectile Rotating Bands, WeldedMechanical PropertiesHigh Strength
Artillery Projectile Rotating Bands, WeldedWelding CharacteristicsWeldability
Applicable Specifications
Form Application System Standard Description
ElectrodeWeldingAWSA5.6COPPER AND COPPER ALLOY COVERED ELECTRODES
WeldingMILITARYMIL-E-45829ELECTRODE, WELDING, COPPER, SILICON-DEOXIDIZED SOLID, BAR
RodWeldingAWSA5.7COPPER AND COPPER ALLOY BARS, WELDING RODS
Corrosion Properties

No information available.