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EN 1.4740 Stainless Steel vs. C99400 Brass

EN 1.4740 stainless steel belongs to the iron alloys classification, while C99400 brass belongs to the copper 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 EN 1.4740 stainless steel and the bottom bar is C99400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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