C85800 Brass vs. ASTM A203 Steel

C85800 brass belongs to the copper alloys classification, while ASTM A203 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C85800 brass and the bottom bar is ASTM A203 steel.

UNS C85800 Leaded Yellow Brass ASTM A203 Nickel Steel

Metric UnitsUS Customary Units

Mechanical Properties

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

Elongation at Break, %		15
Elongation at Break, %		22 to 26

Poisson's Ratio		0.31
Poisson's Ratio		0.29

Shear Modulus, GPa		40
Shear Modulus, GPa		73

Tensile Strength: Ultimate (UTS), MPa		380
Tensile Strength: Ultimate (UTS), MPa		520 to 590

Tensile Strength: Yield (Proof), MPa		210
Tensile Strength: Yield (Proof), MPa		290 to 390

Thermal Properties

Latent Heat of Fusion, J/g		170
Latent Heat of Fusion, J/g		250

Maximum Temperature: Mechanical, °C		120
Maximum Temperature: Mechanical, °C		410

Melting Completion (Liquidus), °C		900
Melting Completion (Liquidus), °C		1460

Melting Onset (Solidus), °C		870
Melting Onset (Solidus), °C		1420

Specific Heat Capacity, J/kg-K		380
Specific Heat Capacity, J/kg-K		470

Thermal Conductivity, W/m-K		84
Thermal Conductivity, W/m-K		52

Thermal Expansion, µm/m-K		20
Thermal Expansion, µm/m-K		13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		20
Electrical Conductivity: Equal Volume, % IACS		7.4 to 7.6

Electrical Conductivity: Equal Weight (Specific), % IACS		22
Electrical Conductivity: Equal Weight (Specific), % IACS		8.5 to 8.7

Otherwise Unclassified Properties

Base Metal Price, % relative		24
Base Metal Price, % relative		3.2 to 4.0

Density, g/cm³		8.0
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		2.8
Embodied Carbon, kg CO₂/kg material		1.6 to 1.7

Embodied Energy, MJ/kg		47
Embodied Energy, MJ/kg		21 to 23

Embodied Water, L/kg		330
Embodied Water, L/kg		50 to 52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		48
Resilience: Ultimate (Unit Rupture Work), MJ/m³		110 to 120

Resilience: Unit (Modulus of Resilience), kJ/m³		210
Resilience: Unit (Modulus of Resilience), kJ/m³		230 to 410

Stiffness to Weight: Axial, points		7.2
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		20
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		13
Strength to Weight: Axial, points		18 to 21

Strength to Weight: Bending, points		15
Strength to Weight: Bending, points		18 to 20

Thermal Diffusivity, mm²/s		27
Thermal Diffusivity, mm²/s		14

Thermal Shock Resistance, points		13
Thermal Shock Resistance, points		15 to 17