C69430 Brass vs. K93050 Alloy

C69430 brass belongs to the copper alloys classification, while K93050 alloy belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C69430 brass and the bottom bar is K93050 alloy.

UNS C69430 Silicon Red Brass UNS K93050 Low Expansion Alloy

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		110
Elastic (Young's, Tensile) Modulus, GPa		190

Poisson's Ratio		0.33
Poisson's Ratio		0.3

Shear Modulus, GPa		42
Shear Modulus, GPa		72

Tensile Strength: Ultimate (UTS), MPa		570
Tensile Strength: Ultimate (UTS), MPa		500 to 680

Thermal Properties

Latent Heat of Fusion, J/g		260
Latent Heat of Fusion, J/g		270

Melting Completion (Liquidus), °C		920
Melting Completion (Liquidus), °C		1430

Melting Onset (Solidus), °C		820
Melting Onset (Solidus), °C		1380

Specific Heat Capacity, J/kg-K		410
Specific Heat Capacity, J/kg-K		460

Thermal Expansion, µm/m-K		18
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		27
Base Metal Price, % relative		26

Density, g/cm³		8.3
Density, g/cm³		8.2

Embodied Carbon, kg CO₂/kg material		2.7
Embodied Carbon, kg CO₂/kg material		4.7

Embodied Energy, MJ/kg		44
Embodied Energy, MJ/kg		65

Embodied Water, L/kg		300
Embodied Water, L/kg		120

Common Calculations

Stiffness to Weight: Axial, points		7.4
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		19
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		19
Strength to Weight: Axial, points		17 to 23

Strength to Weight: Bending, points		18
Strength to Weight: Bending, points		17 to 21

Thermal Shock Resistance, points		20
Thermal Shock Resistance, points		16 to 21

Alloy Composition

Arsenic (As), %		0.030 to 0.060
Arsenic (As), %		0

Carbon (C), %		0
Carbon (C), %		0 to 0.15

Chromium (Cr), %		0
Chromium (Cr), %		0 to 0.25

Cobalt (Co), %		0
Cobalt (Co), %		0 to 0.5

Copper (Cu), %		80 to 83
Copper (Cu), %		0

Iron (Fe), %		0 to 0.2
Iron (Fe), %		61.4 to 63.9

Lead (Pb), %		0 to 0.3
Lead (Pb), %		0

Manganese (Mn), %		0
Manganese (Mn), %		0 to 1.0

Nickel (Ni), %		0
Nickel (Ni), %		36

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.020

Selenium (Se), %		0
Selenium (Se), %		0.15 to 0.3

Silicon (Si), %		3.5 to 4.5
Silicon (Si), %		0 to 0.35

Sulfur (S), %		0
Sulfur (S), %		0 to 0.020

Zinc (Zn), %		11.4 to 16.5
Zinc (Zn), %		0

Residuals, %		0 to 0.5
Residuals, %		0