Oct 3 2012
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Other Designations
Fabrication and Heat Treatment
Cold Working
Welding
Forging
Hot Working
Applications
Introduction
UNS C17510 beryllium copper alloys are available in mill hardened tempers and heat treatable and ductile tempers. These alloys have moderate strength and about 50% IACS conductivity.
The datasheet given below provides an overview of UNS C17510 beryllium copper alloys.
Chemical Composition
|
Elements |
Content (%) |
|
Copper, Cu |
Balance |
|
Beryllium, Be |
0.20-0.60% |
|
Nickel, Ni |
1.40-2.20% |
Physical Properties
The following table shows the physical properties of UNS C17510 beryllium copper alloys.
|
Properties |
Metric |
Imperial |
|
Density |
8.77 g/cm3 |
0.317 lb/in3 |
Mechanical Properties
The mechanical properties of UNS C17510 beryllium copper alloys are displayed in the following table.
|
Properties |
Metric |
Imperial |
|
Hardness, Rockwell B (any thickness) |
≥ 90.0 |
≥ 90.0 |
|
Tensile strength at break (@thickness ≥50.8 mm/ @thickness ≥2.00 in) |
≥ 607 MPa |
≥ 88000 psi |
|
Tensile strength at break 9@thickness 25.4-50.8 mm/ @thickness 1.00 - 2.00 in) |
≥ 621 MPa |
≥ 90000 psi |
|
Tensile strength at break (@thickness 25.4 mm/ @thickness ≤1.00 in) |
≥ 648 MPa |
≥ 94000 psi |
|
Tensile strength, yield (@strain 0.500%, thickness 50.8 mm/ @strain 0.500 %, thickness 2.00 in) |
≥ 607 MPa |
≥ 88000 psi |
|
Tensile strength, yield (@strain 0.500%, thickness 25.4-50.8 mm/ @strain 0.500%, thickness 1.00 - 2.00 in) |
≥ 621 MPa |
≥ 90000 psi |
|
Tensile strength, yield (@strain 0.500%, thickness 25.4 mm/ @strain 0.500%, thickness 1.00 in) |
≥ 648 MPa |
≥ 94000 psi |
|
Modulus of elasticity |
131 GPa |
19000 ksi |
|
Poissons ratio |
0.267 |
0.267 |
|
Shear modulus |
51.7 GPa |
7500 ksi |
Other Designations
Equivalent materials to UNS C17510 beryllium copper alloys are:
-
ASTM B441
-
ASTM B534
-
MIL C-81021
-
SAE J461
-
SAE J463
Fabrication and Heat Treatment
Cold Working
UNS C17510 copper alloys have excellent cold working capacity.
Welding
Welding processes such as brazing, gas shielded arc welding, butt welding, seam welding, coated metal arc welding, soldering and spot welding are recommended for UNS C17510 copper alloys, whereas oxyacetylene welding is not suitable for these alloys.
Forging
UNS C17510 copper alloys can be hot worked between 648 and 885°C (1200 and 1625°F).
Hot Working
UNS C17510 copper alloys can be hot formed in an excellent manner.
Applications
The applications of UNS C17510 copper alloys include:
-
Plastic molds
-
Bearings
-
Electrical/electronic connectors
-
Precision screw machined parts
-
Corrosion resistant components
-
Current-carrying springs
-
Welding electrodes