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C99400 Brass vs. EN 1.4740 Stainless Steel

C99400 brass belongs to the copper alloys classification, while EN 1.4740 stainless steel belongs to the iron alloys. There are 18 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is C99400 brass and the bottom bar is EN 1.4740 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
77

Thermal Properties

Latent Heat of Fusion, J/g 230
300
Maximum Temperature: Mechanical, °C 200
900
Melting Completion (Liquidus), °C 1070
1420
Melting Onset (Solidus), °C 1020
1370
Specific Heat Capacity, J/kg-K 400
490
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 17
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 30
9.5
Density, g/cm3 8.7
7.6
Embodied Carbon, kg CO2/kg material 2.8
2.3
Embodied Energy, MJ/kg 45
32
Embodied Water, L/kg 310
120

Common Calculations

Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 19
25

Alloy Composition

Aluminum (Al), % 0.5 to 2.0
0
Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0
16 to 19
Copper (Cu), % 83.5 to 96.5
0
Iron (Fe), % 1.0 to 3.0
75.4 to 82.7
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 1.0 to 3.5
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.5 to 2.0
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0.5 to 5.0
0
Residuals, % 0 to 0.3
0