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C84800 Brass vs. S40945 Stainless Steel

C84800 brass belongs to the copper alloys classification, while S40945 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C84800 brass and the bottom bar is S40945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 18
25
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 39
75
Tensile Strength: Ultimate (UTS), MPa 230
430
Tensile Strength: Yield (Proof), MPa 100
230

Thermal Properties

Latent Heat of Fusion, J/g 180
270
Maximum Temperature: Mechanical, °C 150
710
Melting Completion (Liquidus), °C 950
1450
Melting Onset (Solidus), °C 830
1410
Specific Heat Capacity, J/kg-K 370
480
Thermal Conductivity, W/m-K 72
26
Thermal Expansion, µm/m-K 19
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 16
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 17
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 27
8.0
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 2.8
2.2
Embodied Energy, MJ/kg 46
31
Embodied Water, L/kg 340
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 34
89
Resilience: Unit (Modulus of Resilience), kJ/m3 53
140
Stiffness to Weight: Axial, points 6.6
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.3
15
Strength to Weight: Bending, points 9.6
16
Thermal Diffusivity, mm2/s 23
6.9
Thermal Shock Resistance, points 8.2
15

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.25
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
10.5 to 11.7
Copper (Cu), % 75 to 77
0
Iron (Fe), % 0 to 0.4
85.1 to 89.3
Lead (Pb), % 5.5 to 7.0
0
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 0 to 1.0
0 to 0.5
Niobium (Nb), % 0
0.18 to 0.4
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 1.5
0 to 0.040
Silicon (Si), % 0 to 0.0050
0 to 1.0
Sulfur (S), % 0 to 0.080
0 to 0.030
Tin (Sn), % 2.0 to 3.0
0
Titanium (Ti), % 0
0.050 to 0.2
Zinc (Zn), % 13 to 17
0
Residuals, % 0 to 0.7
0