UNS C99750 Manganese White Brass
Brass
as-fabricated (no
Property Overview
Density8.1g/cm³
Elastic Modulus130GPa
Tensile Strength450MPa
Yield Strength220MPa
Brinell Hardness110HB
Maximum Service Temperature160°C
Chemical Composition
NI
0 to 5.0%
MN
17 to 23%
CU
55 to 61%
AL
0.25 to 3.0%
PB
0.5 to 2.5%
RES.
Residuals res. | | 0 to 0.3%
RESIDUALS RES.
0 to 0.3%
ZN
17 to 23%
FE
0 to 1.0%
Mechanical
Elastic (Young's, Tensile) Modulus
130 GPa
Elongation at Break
30 %
Poisson's Ratio
0.32
Shear Modulus
48 GPa
Tensile Strength: Ultimate (UTS)
450 MPa
Tensile Strength: Yield (Proof)
220 MPa
Hardness
Brinell Hardness
110
Rockwell B Hardness
77
Physical
Density
8.1 g/cm 3
Thermal
Latent Heat of Fusion
200 J/g
Maximum Temperature: Mechanical
160 °C
Melting Completion (Liquidus)
840 °C
Melting Onset (Solidus)
820 °C
Specific Heat Capacity
410 J/kg-K
Thermal Expansion
20 µm/m-K
Thermal Shock Resistance
13 points
Electrical
Electrical Conductivity: Equal Volume
2.0 % IACS
Electrical Conductivity: Equal Weight (Specific)
2.2 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
110 MJ/m 3
Resilience: Unit (Modulus of Resilience)
190 kJ/m 3
Stiffness to Weight: Axial
8.6 points
Stiffness to Weight: Bending
21 points
Strength to Weight: Axial
15 points
Strength to Weight: Bending
16 points
Environmental
Base Metal Price
23 % relative
Embodied Carbon
3.1 kg CO 2 /kg material
Embodied Energy
51 MJ/kg
Embodied Energy
51 MJ/kg 22 x 10 3 BTU/lb
Embodied Water
310 L/kg
Embodied Water
310 L/kg 38 gal/lb
Registered Designations & Aliases
C99750UNS C99750 Manganese White Brass