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C44500 Brass vs. S41045 Stainless Steel

C44500 brass belongs to the copper alloys classification, while S41045 stainless steel belongs to the iron alloys. There are 26 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 C44500 brass and the bottom bar is S41045 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 41
76
Tensile Strength: Ultimate (UTS), MPa 350
430
Tensile Strength: Yield (Proof), MPa 120
230

Thermal Properties

Latent Heat of Fusion, J/g 180
270
Maximum Temperature: Mechanical, °C 140
740
Melting Completion (Liquidus), °C 940
1450
Melting Onset (Solidus), °C 900
1400
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 110
29
Thermal Expansion, µm/m-K 20
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 27
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 26
8.5
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.2
Embodied Energy, MJ/kg 46
31
Embodied Water, L/kg 330
100

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 65
140
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12
16
Strength to Weight: Bending, points 13
16
Thermal Diffusivity, mm2/s 35
7.8
Thermal Shock Resistance, points 12
16

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
12 to 13
Copper (Cu), % 70 to 73
0
Iron (Fe), % 0 to 0.060
83.8 to 88
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.6
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0.020 to 0.1
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.9 to 1.2
0
Zinc (Zn), % 25.2 to 29.1
0
Residuals, % 0 to 0.4
0