Find suppliers for this alloyC69400
C69400Silicon Red BrassWroughtBRONZESOther Copper-Zinc AlloysTrueFalsehttps://api.copper.org/CDA-API/alloys.xhtml/C69400
Chemical Composition
Element
Cu(1,2)PbZnFeSi
(1) Cu + Sum of Named Elements 99.5% min. (2) Cu value includes Ag.
Min (%)80.03.5
Max (%)83.00.30Rem0.204.5
Mechanical Properties*
Form
Temper
Temper Code
Tensile Strength
(ksi)		YS-0.5% Ext
(ksi)		Elongation
(%)		Rockwell B scale
Section Size
(in)
Rod1/8 HardH00100   Typ
57   Typ
21   Typ
0.75
H00100   Typ
57   Typ
21   Typ
95   Typ
0.75
Soft AnnealO6085   Typ
43   Typ
25   Typ
1
O6077   Typ
40   Typ
25   Typ
2
O6090   Typ
45   Typ
20   Typ
0.5
O6090   Typ
45   Typ
20   Typ
85   Typ
0.5
O6080   Typ
40   Typ
25   Typ
85   Typ
2
O6085   Typ
43   Typ
25   Typ
85   Typ
1
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1685
Melting Point - Solidus°F1510
Densitylb/cu in. at 68°F0.296
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 WorkedPoor
Capacity for Being Hot FormedExcellent
Forgeability Rating80
Machinability Rating30
Common Fabrication Processes
  • Forging
  • Screw Machining
    
Thermal Properties
Treatment Minimum* Maximum*
* Temperature is measured in Fahrenheit.
Annealing8001200
Hot Treatment12001600
Typical uses
Product Category Product Reason Category Reason
IndustrialValve StemsCorrosion ResistanceCorrosion Resistance
Valve StemsCorrosion ResistanceDezincification Resistance
Valve StemsMechanical PropertiesHigh Strength
Applicable Specifications
Form System Standard Description
RodASTMB371/B371MCOPPER-ZINC-SILICON ALLOY ROD
Corrosion Properties

No information available.