C91300 Bell Metal vs. ASTM A732 Cast Steel

C91300 bell metal belongs to the copper alloys classification, while ASTM A732 cast steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C91300 bell metal and the bottom bar is ASTM A732 cast steel.

UNS C91300 (Alloy A) Bell Metal ASTM A732 Investment Cast Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		100
Elastic (Young's, Tensile) Modulus, GPa		190

Elongation at Break, %		0.5
Elongation at Break, %		4.0 to 25

Poisson's Ratio		0.34
Poisson's Ratio		0.29

Shear Modulus, GPa		38
Shear Modulus, GPa		72 to 73

Tensile Strength: Ultimate (UTS), MPa		240
Tensile Strength: Ultimate (UTS), MPa		460 to 1470

Tensile Strength: Yield (Proof), MPa		210
Tensile Strength: Yield (Proof), MPa		310 to 1340

Thermal Properties

Latent Heat of Fusion, J/g		180
Latent Heat of Fusion, J/g		250 to 260

Maximum Temperature: Mechanical, °C		150
Maximum Temperature: Mechanical, °C		400 to 430

Melting Completion (Liquidus), °C		890
Melting Completion (Liquidus), °C		1440 to 1460

Melting Onset (Solidus), °C		820
Melting Onset (Solidus), °C		1400 to 1420

Specific Heat Capacity, J/kg-K		360
Specific Heat Capacity, J/kg-K		470 to 480

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		7.0
Electrical Conductivity: Equal Volume, % IACS		7.1 to 7.7

Electrical Conductivity: Equal Weight (Specific), % IACS		7.4
Electrical Conductivity: Equal Weight (Specific), % IACS		8.2 to 8.9

Otherwise Unclassified Properties

Base Metal Price, % relative		39
Base Metal Price, % relative		2.0 to 3.8

Density, g/cm³		8.6
Density, g/cm³		7.8 to 7.9

Embodied Carbon, kg CO₂/kg material		4.5
Embodied Carbon, kg CO₂/kg material		1.4 to 1.7

Embodied Energy, MJ/kg		74
Embodied Energy, MJ/kg		19 to 24

Embodied Water, L/kg		460
Embodied Water, L/kg		47 to 54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		1.1
Resilience: Ultimate (Unit Rupture Work), MJ/m³		45 to 130

Resilience: Unit (Modulus of Resilience), kJ/m³		210
Resilience: Unit (Modulus of Resilience), kJ/m³		260 to 4770

Stiffness to Weight: Axial, points		6.6
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		18
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		7.8
Strength to Weight: Axial, points		16 to 52

Strength to Weight: Bending, points		10
Strength to Weight: Bending, points		17 to 37

Thermal Shock Resistance, points		9.3
Thermal Shock Resistance, points		14 to 43