ASTM A266 Carbon Steel vs. C99750 Brass

ASTM A266 carbon steel belongs to the iron alloys classification, while C99750 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM A266 carbon steel and the bottom bar is C99750 brass.

ASTM A266 Carbon Steel UNS C99750 Manganese White Brass

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness		150 to 180
Brinell Hardness		110 to 120

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		130

Elongation at Break, %		21 to 26
Elongation at Break, %		20 to 30

Poisson's Ratio		0.29
Poisson's Ratio		0.32

Shear Modulus, GPa		73
Shear Modulus, GPa		48

Tensile Strength: Ultimate (UTS), MPa		500 to 600
Tensile Strength: Ultimate (UTS), MPa		450 to 520

Tensile Strength: Yield (Proof), MPa		230 to 290
Tensile Strength: Yield (Proof), MPa		220 to 280

Thermal Properties

Latent Heat of Fusion, J/g		250
Latent Heat of Fusion, J/g		200

Maximum Temperature: Mechanical, °C		400
Maximum Temperature: Mechanical, °C		160

Melting Completion (Liquidus), °C		1460
Melting Completion (Liquidus), °C		840

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

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		410

Thermal Expansion, µm/m-K		12
Thermal Expansion, µm/m-K		20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		7.1
Electrical Conductivity: Equal Volume, % IACS		2.0

Electrical Conductivity: Equal Weight (Specific), % IACS		8.1 to 8.2
Electrical Conductivity: Equal Weight (Specific), % IACS		2.2

Otherwise Unclassified Properties

Base Metal Price, % relative		1.8
Base Metal Price, % relative		23

Density, g/cm³		7.8
Density, g/cm³		8.1

Embodied Carbon, kg CO₂/kg material		1.4
Embodied Carbon, kg CO₂/kg material		3.1

Embodied Energy, MJ/kg		18 to 19
Embodied Energy, MJ/kg		51

Embodied Water, L/kg		46 to 47
Embodied Water, L/kg		310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m³		110
Resilience: Ultimate (Unit Rupture Work), MJ/m³		87 to 110

Resilience: Unit (Modulus of Resilience), kJ/m³		140 to 230
Resilience: Unit (Modulus of Resilience), kJ/m³		190 to 300

Stiffness to Weight: Axial, points		13
Stiffness to Weight: Axial, points		8.6

Stiffness to Weight: Bending, points		24
Stiffness to Weight: Bending, points		21

Strength to Weight: Axial, points		18 to 21
Strength to Weight: Axial, points		15 to 18

Strength to Weight: Bending, points		18 to 20
Strength to Weight: Bending, points		16 to 18

Thermal Shock Resistance, points		16 to 19
Thermal Shock Resistance, points		13 to 15