UNS C17000 (CW100C) Beryllium Copper
Other
TM00 (mill annealed)
Property Overview
Density8.8g/cm³
Elastic Modulus120GPa
Tensile Strength730MPa
Yield Strength570MPa
Brinell HardnessUnknown
Maximum Service Temperature270°C
Chemical Composition
C
CuBe1.7 ( CW100C ) Cupper alloy Chemical composition. Equivalents of CuBe1.7 ( CW100C ). Standards.1 Mechanical Properties. Hardness%
NI
0.2 to 0.6%
SI
0 to 0.2%
CU
96.3 to 98.2%
AL
0 to 0.2%
BE
1.6 to 1.8%
RES.
Residuals res. | | 0 to 0.5%
RESIDUALS RES.
0 to 0.5%
FE
0 to 0.4%
Mechanical
Elastic (Young's, Tensile) Modulus
120 GPa
Elongation at Break
20 %
Poisson's Ratio
0.33
Shear Modulus
45 GPa
Shear Strength
450 MPa
Tensile Strength: Ultimate (UTS)
730 MPa
Tensile Strength: Yield (Proof)
570 MPa
Hardness
Rockwell C Hardness
21
Physical
Density
8.8 g/cm 3
Thermal
Latent Heat of Fusion
230 J/g
Maximum Temperature: Mechanical
270 °C
Melting Completion (Liquidus)
980 °C
Melting Onset (Solidus)
870 °C
Specific Heat Capacity
390 J/kg-K
Thermal Conductivity
110 W/m-K
Thermal Diffusivity
32 mm 2 /s
Thermal Expansion
17 µm/m-K
Thermal Shock Resistance
25 points
Electrical
Electrical Conductivity: Equal Volume
22 % IACS
Electrical Conductivity: Equal Weight (Specific)
22 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
140 MJ/m 3
Resilience: Unit (Modulus of Resilience)
1350 kJ/m 3
Stiffness to Weight: Axial
7.6 points
Stiffness to Weight: Bending
19 points
Strength to Weight: Axial
23 points
Strength to Weight: Bending
20 points
Environmental
Embodied Carbon
8.7 kg CO 2 /kg material
Embodied Energy
140 MJ/kg
Embodied Energy
140 MJ/kg 58 x 10 3 BTU/lb
Embodied Water
310 L/kg
Embodied Water
310 L/kg 37 gal/lb
Registered Designations & Aliases
C17000CW100CCW100CCuBe1.7UNS C17000 (CW100C) Beryllium Copper
Standards
ASTM B194 ASTM B194: Standard Specification for Copper-Beryllium Alloy Plate, Sheet, Strip, and Rolled Bar
ASTM B196 ASTM B196: Standard Specification for Copper-Beryllium Alloy Rod and Bar
ASTM B196 ASTM B196: Standard Specification for Copper-Beryllium Alloy Rod and Bar ASTM B194: Standard Specification for Copper-Beryllium Alloy Plate, Sheet, Strip, and Rolled Bar Copper Alloys: Preparation, Properties and Applications, Michael Naboka and Jennifer Giordano (editors), 2013
EN 13148 EN 13148: 2001 Copper and copper alloys. Hot-dip tinned strip
EN 1654 EN 1654: 1998 Copper and copper alloys. Strip for springs and connectors