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C68400 Brass vs. EN 1.4003 Stainless Steel

C68400 brass belongs to the copper alloys classification, while EN 1.4003 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is EN 1.4003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
180
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 18
22
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 41
76
Shear Strength, MPa 330
340
Tensile Strength: Ultimate (UTS), MPa 540
540
Tensile Strength: Yield (Proof), MPa 310
320

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 130
720
Melting Completion (Liquidus), °C 840
1440
Melting Onset (Solidus), °C 820
1400
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 66
25
Thermal Expansion, µm/m-K 20
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 99
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 23
6.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.9
Embodied Energy, MJ/kg 47
27
Embodied Water, L/kg 320
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
100
Resilience: Unit (Modulus of Resilience), kJ/m3 460
260
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 19
19
Thermal Diffusivity, mm2/s 21
6.7
Thermal Shock Resistance, points 18
19

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 12.5
Copper (Cu), % 59 to 64
0
Iron (Fe), % 0 to 1.0
83.9 to 89.2
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
0 to 1.5
Nickel (Ni), % 0 to 0.5
0.3 to 1.0
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0.030 to 0.3
0 to 0.040
Silicon (Si), % 1.5 to 2.5
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.5
0
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0 to 0.5
0