UNS C90300 (Alloy 1B) Navy-G Tin Bronze
Bronze
Property Overview
Density8.7g/cm³
Elastic Modulus110GPa
Tensile Strength330MPa
Yield Strength150MPa
Brinell HardnessUnknown
Maximum Service Temperature170°C
Chemical Composition
NI
0 to 1.0%
SI
0 to 0.0050%
P
0 to 1.5%
S
0 to 0.050%
CU
86 to 89%
AL
0 to 0.0050%
PB
0 to 0.3%
RES.
Residuals res. | | 0 to 0.6%
RESIDUALS RES.
0 to 0.6%
SB
0 to 0.2%
SN
7.5 to 9.0%
ZN
3.0 to 5.0%
FE
0 to 0.2%
Mechanical
Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
22 %
Poisson's Ratio
0.34
Shear Modulus
41 GPa
Tensile Strength: Ultimate (UTS)
330 MPa
Tensile Strength: Yield (Proof)
150 MPa
Physical
Density
8.7 g/cm 3
Thermal
Latent Heat of Fusion
190 J/g
Maximum Temperature: Mechanical
170 °C
Melting Completion (Liquidus)
1000 °C
Melting Onset (Solidus)
850 °C
Specific Heat Capacity
370 J/kg-K
Thermal Conductivity
75 W/m-K
Thermal Diffusivity
23 mm 2 /s
Thermal Expansion
18 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)
59 MJ/m 3
Resilience: Unit (Modulus of Resilience)
110 kJ/m 3
Stiffness to Weight: Axial
7.0 points
Stiffness to Weight: Bending
18 points
Strength to Weight: Axial
11 points
Strength to Weight: Bending
12 points
Environmental
Base Metal Price
33 % relative
Embodied Carbon
3.4 kg CO 2 /kg material
Embodied Energy
56 MJ/kg
Embodied Energy
56 MJ/kg 24 x 10 3 BTU/lb
Embodied Water
370 L/kg
Embodied Water
370 L/kg 45 gal/lb
Registered Designations & Aliases
Alloy 1BC90300UNS C90300 (Alloy 1B) Navy-G Tin Bronze
Standards
ASTM B271 ASTM B271: Standard Specification for Copper-Base Alloy Centrifugal Castings
ASTM B271 ASTM B271: Standard Specification for Copper-Base Alloy Centrifugal Castings ASTM B505: Standard Specification for Copper Alloy Continuous Castings Copper: Its Trade, Manufacture, Use, and Environmental Status, Gunter Joseph, 2001
ASTM B505 ASTM B505: Standard Specification for Copper Alloy Continuous Castings