C66900 Brass vs. EN 1.4740 Stainless Steel

C66900 brass belongs to the copper alloys classification, while EN 1.4740 stainless steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is C66900 brass and the bottom bar is EN 1.4740 stainless steel.

UNS C66900 Manganese Brass EN 1.4740 (GX40CrSi17) Cast Stainless Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		120
Elastic (Young's, Tensile) Modulus, GPa		200

Elongation at Break, %		1.1 to 26
Elongation at Break, %		22

Poisson's Ratio		0.32
Poisson's Ratio		0.28

Shear Modulus, GPa		45
Shear Modulus, GPa		77

Thermal Properties

Latent Heat of Fusion, J/g		190
Latent Heat of Fusion, J/g		300

Maximum Temperature: Mechanical, °C		150
Maximum Temperature: Mechanical, °C		900

Melting Completion (Liquidus), °C		860
Melting Completion (Liquidus), °C		1420

Melting Onset (Solidus), °C		850
Melting Onset (Solidus), °C		1370

Specific Heat Capacity, J/kg-K		400
Specific Heat Capacity, J/kg-K		490

Thermal Expansion, µm/m-K		20
Thermal Expansion, µm/m-K		10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS		3.4
Electrical Conductivity: Equal Volume, % IACS		2.2

Electrical Conductivity: Equal Weight (Specific), % IACS		3.8
Electrical Conductivity: Equal Weight (Specific), % IACS		2.6

Otherwise Unclassified Properties

Base Metal Price, % relative		23
Base Metal Price, % relative		9.5

Density, g/cm³		8.2
Density, g/cm³		7.6

Embodied Carbon, kg CO₂/kg material		2.8
Embodied Carbon, kg CO₂/kg material		2.3

Embodied Energy, MJ/kg		46
Embodied Energy, MJ/kg		32

Embodied Water, L/kg		310
Embodied Water, L/kg		120

Common Calculations

Stiffness to Weight: Axial, points		8.1
Stiffness to Weight: Axial, points		14

Stiffness to Weight: Bending, points		20
Stiffness to Weight: Bending, points		25

Alloy Composition

Carbon (C), %		0
Carbon (C), %		0.3 to 0.5

Chromium (Cr), %		0
Chromium (Cr), %		16 to 19

Copper (Cu), %		62.5 to 64.5
Copper (Cu), %		0

Iron (Fe), %		0 to 0.25
Iron (Fe), %		75.4 to 82.7

Lead (Pb), %		0 to 0.050
Lead (Pb), %		0

Manganese (Mn), %		11.5 to 12.5
Manganese (Mn), %		0 to 1.0

Molybdenum (Mo), %		0
Molybdenum (Mo), %		0 to 0.5

Nickel (Ni), %		0
Nickel (Ni), %		0 to 1.0

Phosphorus (P), %		0
Phosphorus (P), %		0 to 0.040

Silicon (Si), %		0
Silicon (Si), %		1.0 to 2.5

Sulfur (S), %		0
Sulfur (S), %		0 to 0.030

Zinc (Zn), %		22.5 to 26
Zinc (Zn), %		0

Residuals, %		0 to 0.2
Residuals, %		0