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EN 1.4123 Stainless Steel vs. C68400 Brass

EN 1.4123 stainless steel belongs to the iron alloys classification, while C68400 brass belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 C68400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
150
Elastic (Young's, Tensile) Modulus, GPa 200
110
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
41
Tensile Strength: Ultimate (UTS), MPa 720 to 810
540

Thermal Properties

Latent Heat of Fusion, J/g 280
210
Maximum Temperature: Mechanical, °C 840
130
Melting Completion (Liquidus), °C 1450
840
Melting Onset (Solidus), °C 1410
820
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 23
66
Thermal Expansion, µm/m-K 10
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
87
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
99

Otherwise Unclassified Properties

Base Metal Price, % relative 10
23
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 4.2
2.7
Embodied Energy, MJ/kg 62
47
Embodied Water, L/kg 120
320

Common Calculations

Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
20
Strength to Weight: Axial, points 26 to 29
19
Strength to Weight: Bending, points 23 to 25
19
Thermal Diffusivity, mm2/s 6.3
21
Thermal Shock Resistance, points 26 to 29
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0
0.0010 to 0.030
Carbon (C), % 0.35 to 0.5
0
Chromium (Cr), % 14 to 16.5
0
Copper (Cu), % 0
59 to 64
Iron (Fe), % 76.7 to 84.6
0 to 1.0
Lead (Pb), % 0
0 to 0.090
Manganese (Mn), % 0 to 1.0
0.2 to 1.5
Molybdenum (Mo), % 1.0 to 2.5
0
Nickel (Ni), % 0 to 0.5
0 to 0.5
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0.030 to 0.3
Silicon (Si), % 0 to 1.0
1.5 to 2.5
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.5
Vanadium (V), % 0 to 1.5
0
Zinc (Zn), % 0
28.6 to 39.3
Residuals, % 0
0 to 0.5