Find suppliers for this alloyC53800
Chemical Composition
(1) Cu + Sum of Named Elements 99.8% min. (2) Cu value includes Ag. (3) Ni value includes Co.
Min (%)0.4013.1
Max (%)Rem0.613.90.120.0300.030.06
Mechanical Properties*
Temper Code
Tensile Strength
YS-0.2% Offset
Vickers Hardness, 3000 gm
Section Size
RodSpringH08131   Min
135   Typ
116   Min
123   Typ
1   Min
260   Typ
H08131   Min
135   Typ
116   Min
123   Typ
3   Min
260   Typ
WireSpringH08138   Min
145   Typ
123   Min
135   Typ
3   Min
280   Typ
H0867   Min
73   Typ
29   Min
36   Typ
50   Min
100   Typ
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1796
Melting Point - Solidus°F1472
Densitylb/cu in. at 68°F0.314
Specific Gravity8.7
Electrical Conductivity% IACS at 68°F9
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F35
Coefficient of Thermal Expansion 68-21210⁻⁶ per °F (68 – 212°F)10.6
Specific Heat CapacityBtu/ lb /°F at 68°F0.086
Modulus of Elasticity in Tensionksi12800
Fabrication Properties
Technique Suitability
Oxyacetylene WeldingFair
Gas Shielded Arc WeldingFair
Coated Metal Arc WeldingFair
Seam WeldGood
Butt WeldGood
Capacity for Being Cold WorkedGood
Capacity for Being Hot FormedPoor
Forgeability Rating20
Machinability Rating80
Common Fabrication Processes
  • Forming
  • Machining
Thermal Properties
Treatment Minimum* Value*
* Temperature is measured in Fahrenheit.
Stress Relief540
Typical uses
Product Category Product Reason Category Reason
IndustrialScrew Machine PartsMachining CharacteristicsMachinability
Spring ContactsForming CharacteristicsFormability
Spring ContactsMechanical PropertiesStrength
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No information available.