Find suppliers for this alloyC99750
Chemical Composition
Element
Cu(1)PbZnFeNiAlMn
(1) Cu + Sum of Named Elements 99.7% min.
Min (%)55.00.5017.00.2517.0
Max (%)61.02.523.01.05.03.023.0
Mechanical Properties*
Form
Temper
Temper Code
Tensile Strength
(ksi)
YS-0.2% Offset
Elongation
(%)
Rockwell B scale
Brinell Hardness, 500 kg load
Charpy V-Notch Impact Strength
(ft-lbs)
Compressive Strength .001 in. set/in.
(ksi)
Compressive Strength .01 in. set/in.
(ksi)
Compressive Strength .1 in. set/in.
(ksi)
Fatigue Strength**
(ksi)
As Sand CastAs Sand CastM0165   Typ
32   Typ
30   Typ
77   Typ
110   Typ
75   Typ
28   Typ
38   Typ
72   Typ
19   Typ
Quenched Hardened and Temper AnnealedTQ5075   Typ
40   Typ
20   Typ
82   Typ
119   Typ
* Measured at room temperature, 68°F (20°C). ** Fatigue Strength: 100 x 106 cycles, unless indicated as [N] x 106.
Physical Properties
Melting Point - Liquidus°F1550
Melting Point - Solidus°F1505
Densitylb/cu in. at 68°F0.29
Specific Gravity8.03
Electrical Conductivity% IACS at 68°F2
Coefficient of Thermal Expansion 68-39210⁻⁶ per °F (68 – 392°F)13.5
Specific Heat CapacityBtu/ lb /°F at 68°F0.09
Modulus of Elasticity in Tensionksi17000
Casting Characteristics
Casting Attribute Level
Casting YieldHigh
DrossingLow
FluidityHigh
GassingLow
Shrinkage in SolidificationMedium
Fabrication Properties
Technique Suitability
SolderingGood
BrazingGood
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingFair
Coated Metal Arc WeldingNot Recommended
Machinability Rating80
Common Fabrication Processes
  • Casting
    
Thermal Properties
Treatment Minimum* Maximum* Value* Time**
* Temperature is measured in Fahrenheit. ** Time is measured in minutes.
Stress Relief500
Solution Treatment0
Hot Treatment12921742
Typical Uses

No information available.

Applicable Specifications
Form Sub-Form System Standard Description
As Die CastCastingsASTMB176BRASS DIE CASTINGS
IngotASTMB30COPPER BASE ALLOYS IN INGOT FORM
Corrosion Properties

No information available.