Find suppliers for this alloyC17540
Chemical Composition
Element
Cu(1,2)FeNiBeCoSi
(1) Cu value includes Ag. (2) Cu + Sum of Named Elements 99.5% min.
Min (%)0.80.40.8
Max (%)Rem0.21.30.71.30.2
Mechanical Properties*
Form
Temper
Temper Code
Tensile Strength
(ksi)
Elongation
(%)
Rockwell B scale
ForgingsHard and Precipitation Heat TreatedTH04100   Min
120   Typ
140   Max
10   Min
14   Max
95   Min
Precipitation HardenedTF00100   Min
120   Typ
140   Max
10   Min
14   Max
95   Min
Solution Heat TreatedTB00100   Min
120   Typ
140   Max
10   Min
14   Max
95   Min
Sheet, Strip, Roller Bar & PlateHard and Precipitation Heat TreatedTH04100   Min
120   Min
140   Max
10   Min
14   Max
95   Min
Precipitation HardenedTF00100   Min
120   Typ
140   Max
10   Min
14   Max
95   Min
Solution Heat TreatedTB00100   Min
120   Typ
140   Max
10   Min
14   Max
95   Min
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1975
Melting Point - Solidus°F1880
Densitylb/cu in. at 68°F0.318
Specific Gravity8.81
Electrical Conductivity% IACS at 68°F45
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F135
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)9.8
Modulus of Elasticity in Tensionksi19600
Magnetic Permeability1
Poisson's Ratio0.3
Fabrication Properties
Technique Suitability
SolderingGood
BrazingGood
Oxyacetylene WeldingNot Recommended
Gas Shielded Arc WeldingFair
Coated Metal Arc WeldingFair
Spot WeldGood
Seam WeldGood
Butt WeldGood
Capacity for Being Cold WorkedExcellent
Capacity for Being Hot FormedGood
Common Fabrication Processes
  • Brazing
Thermal Characteristics

No thermal characteristics for this alloy

Typical uses
Product Category Product Reason Category Reason
ElectricalWelding and Brazing ComponentsConductivity (Electrical)Electrical Conductivity, High
IndustrialPlunger tips, die casting
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No information available.