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S41045 Stainless Steel vs. C27200 Brass

S41045 stainless steel belongs to the iron alloys classification, while C27200 brass belongs to the copper 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 S41045 stainless steel and the bottom bar is C27200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 25
10 to 50
Poisson's Ratio 0.28
0.31
Rockwell B Hardness 70
53 to 86
Shear Modulus, GPa 76
40
Shear Strength, MPa 280
230 to 320
Tensile Strength: Ultimate (UTS), MPa 430
370 to 590
Tensile Strength: Yield (Proof), MPa 230
150 to 410

Thermal Properties

Latent Heat of Fusion, J/g 270
170
Maximum Temperature: Mechanical, °C 740
130
Melting Completion (Liquidus), °C 1450
920
Melting Onset (Solidus), °C 1400
870
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 29
120
Thermal Expansion, µm/m-K 10
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
28
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
31

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
24
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.2
2.7
Embodied Energy, MJ/kg 31
45
Embodied Water, L/kg 100
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
30 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 140
110 to 810
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 16
13 to 20
Strength to Weight: Bending, points 16
14 to 19
Thermal Diffusivity, mm2/s 7.8
37
Thermal Shock Resistance, points 16
12 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 12 to 13
0
Copper (Cu), % 0
62 to 65
Iron (Fe), % 83.8 to 88
0 to 0.070
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0 to 0.6
0
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
34.6 to 38
Residuals, % 0
0 to 0.3