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C37700 Brass vs. S42010 Stainless Steel

C37700 brass belongs to the copper alloys classification, while S42010 stainless steel belongs to the iron alloys. There are 29 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 C37700 brass and the bottom bar is S42010 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 40
18
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 39
76
Shear Strength, MPa 270
370
Tensile Strength: Ultimate (UTS), MPa 400
590
Tensile Strength: Yield (Proof), MPa 160
350

Thermal Properties

Latent Heat of Fusion, J/g 170
280
Maximum Temperature: Mechanical, °C 120
800
Melting Completion (Liquidus), °C 890
1440
Melting Onset (Solidus), °C 880
1400
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 120
29
Thermal Expansion, µm/m-K 21
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 30
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 23
8.5
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.2
Embodied Energy, MJ/kg 45
30
Embodied Water, L/kg 320
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
95
Resilience: Unit (Modulus of Resilience), kJ/m3 120
310
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 14
21
Strength to Weight: Bending, points 15
20
Thermal Diffusivity, mm2/s 39
7.9
Thermal Shock Resistance, points 13
21

Alloy Composition

Carbon (C), % 0
0.15 to 0.3
Chromium (Cr), % 0
13.5 to 15
Copper (Cu), % 58 to 61
0
Iron (Fe), % 0 to 0.3
80.9 to 85.6
Lead (Pb), % 1.5 to 2.5
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.85
Nickel (Ni), % 0
0.35 to 0.85
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 35.7 to 40.5
0
Residuals, % 0 to 0.5
0