UNS C66700 Manganese Brass
Brass
OS025 (annealed to 0.025mm grain size)
Property Overview
Density8.2g/cm³
Elastic Modulus110GPa
Tensile Strength370MPa
Yield Strength140MPa
Brinell HardnessUnknown
Maximum Service Temperature140°C
Chemical Composition
MN
0.8 to 1.5%
CU
68.5 to 71.5%
PB
0 to 0.070%
RES.
Residuals res. | | 0 to 0.5%
RESIDUALS RES.
0 to 0.5%
ZN
26.3 to 30.7%
FE
0 to 0.1%
Mechanical
Elastic (Young's, Tensile) Modulus
110 GPa
Elongation at Break
53 %
Poisson's Ratio
0.31
Shear Modulus
41 GPa
Shear Strength
260 MPa
Tensile Strength: Ultimate (UTS)
370 MPa
Tensile Strength: Yield (Proof)
140 MPa
Hardness
Rockwell F Hardness
77
Rockwell Superficial 30T Hardness
41
Physical
Density
8.2 g/cm 3
Thermal
Latent Heat of Fusion
180 J/g
Maximum Temperature: Mechanical
140 °C
Melting Completion (Liquidus)
1090 °C
Melting Onset (Solidus)
1050 °C
Specific Heat Capacity
390 J/kg-K
Thermal Conductivity
97 W/m-K
Thermal Diffusivity
30 mm 2 /s
Thermal Expansion
20 µm/m-K
Thermal Shock Resistance
12 points
Electrical
Electrical Conductivity: Equal Volume
17 % IACS
Electrical Conductivity: Equal Weight (Specific)
19 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
150 MJ/m 3
Resilience: Unit (Modulus of Resilience)
95 kJ/m 3
Stiffness to Weight: Axial
7.3 points
Stiffness to Weight: Bending
19 points
Strength to Weight: Axial
12 points
Strength to Weight: Bending
14 points
Environmental
Base Metal Price
25 % relative
Embodied Carbon
2.7 kg CO 2 /kg material
Embodied Energy
45 MJ/kg
Embodied Energy
45 MJ/kg 19 x 10 3 BTU/lb
Embodied Water
320 L/kg
Embodied Water
320 L/kg 38 gal/lb
Registered Designations & Aliases
C66700UNS C66700 Manganese Brass