C72900
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1.2379 (CPPU)

C97300

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Description

UNS C97300 alloy is anti-corrosive and ductile. The addition of iron to the alloy makes it resistant to flowing sea-water.

UNS C97300 alloy is used in marine applications, condensers and heat exchangers.

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COMMON FABRICATION PROCESSES

COMMON FABRICATION PROCESSES

  • No fabrication process properties for this alloy
CHEMICAL COMPOSITION

CHEMICAL COMPOSITION

Elements
Cu(1) Pb Sn Zn Fe P Ni(2) Al Mn S Sb Si
(1) Cu + Sum of Named Elements 99.0% min.
(2) Ni value includes Co.
Min (%) 53.0 8.0 1.5 17.0 11.0
Max (%) 58.0 11.0 3.0 25.0 1.5 0.05 14.0 0.005 0.50 0.08 0.35 0.15
MECHANICAL PROPERTIES

MECHANICAL PROPERTIES

Form Temper Temper Code Tensile Strength
(ksi)		 YS-0.5% Ext
(ksi)		 Elongation
(%)		 Brinell Hardness, 500 kg load
* Measured at room temperature, 68°F (20°C).
As Centrifugal Cast As Centrifugal Cast M02 30 Min for Standard 15 Min for Standard 8 Min for Standard
As Continuous Cast As Continuous Cast M07 30 Min for Standard 15 Min for Standard 10 Min for Standard
As Sand Cast As Sand Cast M01 30 Min for Standard
35 Typ		 15 Min for Standard
17 Typ		 8 Min for Standard
20 Typ		 55 Typ
PHYSICAL PROPERTIES

PHYSICAL PROPERTIES

Melting Point – Liquidus°F 1904
Melting Point – Solidus°F 1850
Densitylb/cu in. at 68°F 0.321
Specific Gravity 8.89
Electrical Conductivity% IACS at 68°F 6
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 16.5
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 9
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 16000
FABRICATION PROPERTIES

FABRICATION PROPERTIES

Technique Suitability
Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Not Recommended
Machinability Rating 70
APPLICABLE SPECIFICATIONS

APPLICABLE SPECIFICATIONS

Form Specific Sub-Form Application System Standard Description
As Centrifugal Cast Castings ASTM B271/B271M COPPER BASE ALLOY CENTRIFUGAL CASTINGS
As Continuous Cast Castings SAE J461 WROUGHT AND CAST COPPER ALLOYS
Castings SAE J462 CAST COPPER ALLOYS
Castings ASTM B505/B505M COPPER BASE ALLOY CONTINUOUS CASTINGS
As Sand Cast Castings ASTM B584 COPPER ALLOY SAND CASTINGS FOR GENERAL APPLICATIONS
Castings ASTM B763/B763M COPPER ALLOY SAND CASTINGS FOR VALVE APPLICATIONS
Ingot
ASTM B30 COPPER BASE ALLOYS IN INGOT FORM