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EN 1.4123 Stainless Steel vs. C34500 Brass

EN 1.4123 stainless steel belongs to the iron alloys classification, while C34500 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4123 stainless steel and the bottom bar is C34500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 720 to 810
340 to 430

Thermal Properties

Latent Heat of Fusion, J/g 280
170
Maximum Temperature: Mechanical, °C 840
120
Melting Completion (Liquidus), °C 1450
910
Melting Onset (Solidus), °C 1410
890
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 23
120
Thermal Expansion, µm/m-K 10
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
26
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
29

Otherwise Unclassified Properties

Base Metal Price, % relative 10
24
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 4.2
2.6
Embodied Energy, MJ/kg 62
45
Embodied Water, L/kg 120
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.1
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 26 to 29
12 to 15
Strength to Weight: Bending, points 23 to 25
13 to 16
Thermal Diffusivity, mm2/s 6.3
37
Thermal Shock Resistance, points 26 to 29
11 to 14

Alloy Composition

Carbon (C), % 0.35 to 0.5
0
Chromium (Cr), % 14 to 16.5
0
Copper (Cu), % 0
62 to 65
Iron (Fe), % 76.7 to 84.6
0 to 0.15
Lead (Pb), % 0
1.5 to 2.5
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 1.0 to 2.5
0
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0 to 1.5
0
Zinc (Zn), % 0
32 to 36.5
Residuals, % 0
0 to 0.4