Find suppliers for this alloyC69240
Chemical Composition
Element
Cu(1)PbSnZnFePNi(2)MnSi
(1) Cu + Sum of Named Elements 99.5% min. (2) Ni value includes Co.
Min (%)71.00.060.100.61.8
Max (%)72.50.250.30Rem0.200.120.501.22.2
Mechanical Properties*
Form
Temper
Temper Code
Tensile Strength
(ksi)
YS-0.2% Offset
Elongation
(%)
Rockwell B scale
Bar1/2 HardH0283.0   Typ
50.0   Typ
25   Typ
70   Typ
1/2 Hard and Stress RelievedHR0275.0   Typ
54.0   Typ
29   Typ
70   Typ
Extruded and DrawnH5083.0   Typ
46.0   Typ
21   Typ
70   Typ
Rod1/2 HardH0277.0   Typ
45.0   Typ
21   Typ
90   Typ
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1610
Melting Point - Solidus°F1598
Densitylb/cu in. at 68°F0.301
Specific Gravity8.33
Electrical Conductivity% IACS at 68°F9
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F18
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)10.4
Modulus of Elasticity in Tensionksi15000
Poisson's Ratio0.32
Fabrication Properties
Technique Suitability
SolderingExcellent
BrazingGood
Oxyacetylene WeldingGood
Gas Shielded Arc WeldingGood
Coated Metal Arc WeldingGood
Spot WeldGood
Seam WeldGood
Butt WeldGood
Capacity for Being Cold WorkedGood
Capacity for Being Hot FormedExcellent
Forgeability Rating95
Machinability Rating75
Fabrication Process Properties

No fabrication process properties for this alloy

Thermal Characteristics

No thermal characteristics for this alloy

Typical Uses

No information available.

Applicable Specifications
Form Sub-Form System Standard Description
RodASTMB371/B371MCOPPER-ZINC-SILICON ALLOY ROD
Rod, Bar & ShapesForgingsASTMB124/B124MCOPPER AND COPPER-ALLOY FORGING ROD, BAR AND SHAPES
Corrosion Properties

No information available.