Copper Alloys Beryllium Copper Alloy B14 UNS-C17510

 Product Data Sheet – Copper Alloys

Beryllium Copper Alloy B14  UNS-C17510

Chemical Composition

(% maximum, unless shown as range or minimum)

Copper(1) Aluminium Beryllium Cobalt Iron Nickel Silicon
Min / Max
Remainder
0.20
0.2-0.6
0.3
0.10
1.4-2.2
0.20
Nominal
97.8
0.4
1.8

(1) Copper value includes Silver

Note: Copper + Sum of Named Elements, 99.5% min)

 

 

Applicable Specifications

Product Specification
AMS ASTM MILITARY SAE
Bar
B441
Bar, Rolled
B534
Plate
B534
Rod
B441
J461, J463
Shapes
J461, J463
Sheet
B534
Strip
B534
MIL-C-81021
J461, J463
Tube
J461, J463

Common Fabrication Processes

Blanking, Drilling, Forming and Bending, Tapping, Turning

Fabrication Properties

Joining Technique Suitability
Soldering
Good
Brazing
Good
Oxy-Acetylene Welding
Not Recommended
Gas Shielded Arc Welding
Fair
Coated Metal Arc Welding
Fair
Joining Technique Suitability
Spot Weld
Good
Seam Weld
Fair
Butt Weld
Fair
Capacity for Being Cold Worked
Excellent
Capacity for Being Hot Formed
Good

Mechanical Properties

Typical Room Temperature 20°C

Temper
Section Size
Tensile Strength
Yield Strength
(0.5% ext under load)
Yield Strength
(0.2% offset)
Elongation
Rockwell Hardness
Vickers Hardness
Fatigue Strength
@ 108 cycles
mm
MPa
MPa
MPa
%
B
C
F
30T
MPa
Flat Products
TB00
0.0
310
172
28
32
36
(78)
TD02
0.0
469
414
8
70
64
(126)
TD04
0.0
538
483
5
83
72
(160)
TF00
0.0
758
621
12
96
80
(220)
TH02
0.0
793
745
8
98
81
(234)
241
TH04
0.0
793
758
8
98
81
(234)
Forgings
TB00
0.0
293
138
50
(95)
TF00
102
794
620
92
(198)
Rod
TB00
0.0
310
172
28
35
(80)
TD04
0.0
496
448
12
68
(122)
TF00
0.0
758
621
18
96
(220)
TH04
0.0
793
758
14
98
(234)

 

 

Physical Properties

Property
Metric Units
Imperial Units
Melting Point (Liquidus)
1068°C
1955°F
Melting Point (Solidus)
1029°C
1885°F
Density
8.77 gm/cm³ @ 20°C
0.317 lb/in³ @ 68°F
Specific Gravity
8.77
8.77
Coefficient of Thermal Expansion
17.6 x 10 -6 / °C (20-300°C)
9.8 x 10 -6 / °F (68-392°F)
Themal Conductivity
207.7 W/m. °K @ 20°C
120.0 BTU/ft²/ft/hr/°F @ 68°F
Thermal Capacity (Specific Heat)
419.0 J/kg. °K @ 293°K
0.1 BTU/lb/°F @ 68°F
Electrical Resistivity
3.79 microhm.cm @ 20°C
22.8 ohms (circ mil/ft) @ 68°F
Electrical Conductivity*
0.281 MegaSiemens/cm @ 20°C
48% IACS@ 68°F
Electrical Conductivity
0.263 MegaSiemens/cm @ 20°C
45% IACS@ 68°F
Modulus of Elasticity (tension)
132,400 MPa
19,200ksi
Modulus of Rigidity (shear)
51,710 MPa
7,500 ksi

* Cold Worked and Precipitation Hardened Condition

Tempers Most Commonly Used

Flat Products
Bar, Drawn
H04, TB00, TF00
Bar, Rolled
H04, TB00, TF00
Plate
TB00
Strip, Rolled
H02, H04, TB00, TF00
Other Products
Rod
H04, TB00, TF00
Shapes
H02, TB00
Tube
TB00, TF00

 

Typical Uses

Electrical: Instrument parts, connectors, heavy duty, relay parts, conductors, fuse clips, switch parts

Fasteners: Fasteners

Industrial: Springs, die casting plunger tips, thermal transfer plates, high flux electromagnets, welding equipment

 

 

The technical advice and recommendations made in this Product Data Sheet should not be relied or acted upon without conducting your own further investigations, including corrosion exposure tests where needed. Please consult current editions of standards for design properties. Austral Wright Metals assumes no liability in connection with the information in this Product Data Sheet. Austral Wright Metals supplies a comprehensive range of stainless steels, copper alloys, nickel alloys and other high performance metals for challenging service conditions. Our engineers and metallurgists will be pleased to provide further data and applications advice.

 

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