Find suppliers for this alloyC69430
Chemical Composition
Element
Cu(1,2)PbZnFeAsSi
(1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.5% min.
Min (%)80.00.033.5
Max (%)83.00.30Rem0.200.064.5
Mechanical Properties*
Form
Temper
Temper Code
Tensile Strength
(ksi)
YS-0.5% Ext
(ksi)
Elongation
(%)
Rockwell B scale
Section Size
(in)
RodHardH04100   Typ
57   Typ
21   Typ
95   Typ
0.75
Soft AnnealO6080   Typ
40   Typ
25   Typ
85   Typ
2
O6085   Typ
43   Typ
25   Typ
85   Typ
1
O6090   Typ
45   Typ
20   Typ
85   Typ
0.50
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1685
Melting Point - Solidus°F1510
Densitylb/cu in. at 68°F0.26
Specific Gravity8.19
Electrical Conductivity% IACS at 68°F6.2
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F15
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)11.2
Specific Heat CapacityBtu/ lb /°F at 68°F0.09
Modulus of Elasticity in Tensionksi16000
Fabrication Properties
Technique Suitability
SolderingExcellent
BrazingExcellent
Oxyacetylene WeldingGood
Spot WeldGood
Seam WeldGood
Butt WeldGood
Capacity for Being Cold WorkedGood
Capacity for Being Hot FormedExcellent
Forgeability Rating80
Machinability Rating30
Common Fabrication Processes
  • Forging
  • Screw Machining
Thermal Characteristics

No thermal characteristics for this alloy

Typical uses
Product Category Product Reason Category Reason
IndustrialValve StemsCorrosion ResistanceCorrosion Resistance
Valve StemsCorrosion ResistanceDezincification Resistance
Valve StemsMechanical PropertiesModerate Strength
Applicable Specifications
Form System Standard Description
RodASTMB371/B371MCOPPER-ZINC-SILICON ALLOY ROD
Corrosion Properties

No information available.