UNS C94700 Nickel-Tin Bronze
Bronze
as-fabricated (no
Property Overview
Density8.8g/cm³
Elastic Modulus110GPa
Tensile Strength350MPa
Yield Strength160MPa
Brinell Hardness85HB
Maximum Service Temperature190°C
Chemical Composition
NI
4.5 to 6.0%
MN
0 to 0.2%
SI
0 to 0.0050%
P
0 to 0.050%
S
0 to 0.050%
CU
85 to 90%
AL
0 to 0.0050%
PB
0 to 0.1%
RES.
Residuals res. | | 0 to 1.3%
RESIDUALS RES.
0 to 1.3%
SB
0 to 0.15%
SN
4.5 to 6.0%
ZN
1.0 to 2.5%
FE
0 to 0.25%
Mechanical
Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
32 %
Poisson's Ratio
0.34
Shear Modulus
43 GPa
Tensile Strength: Ultimate (UTS)
350 MPa
Tensile Strength: Yield (Proof)
160 MPa
Hardness
Brinell Hardness
85
Physical
Density
8.8 g/cm 3
Thermal
Latent Heat of Fusion
200 J/g
Maximum Temperature: Mechanical
190 °C
Melting Completion (Liquidus)
1030 °C
Melting Onset (Solidus)
900 °C
Specific Heat Capacity
380 J/kg-K
Thermal Conductivity
54 W/m-K
Thermal Diffusivity
16 mm 2 /s
Thermal Expansion
17 µm/m-K
Thermal Shock Resistance
12 points
Electrical
Electrical Conductivity: Equal Volume
12 % IACS
Electrical Conductivity: Equal Weight (Specific)
12 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
89 MJ/m 3
Resilience: Unit (Modulus of Resilience)
110 kJ/m 3
Stiffness to Weight: Axial
7.3 points
Stiffness to Weight: Bending
18 points
Strength to Weight: Axial
11 points
Strength to Weight: Bending
13 points
Environmental
Base Metal Price
34 % relative
Embodied Carbon
3.5 kg CO 2 /kg material
Embodied Energy
56 MJ/kg
Embodied Energy
56 MJ/kg 24 x 10 3 BTU/lb
Embodied Water
350 L/kg
Embodied Water
350 L/kg 41 gal/lb
Registered Designations & Aliases
C94700UNS C94700 Nickel-Tin Bronze
Standards
ASTM B505 ASTM B505: Standard Specification for Copper Alloy Continuous Castings