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C37100 Brass vs. S31727 Stainless Steel

C37100 brass belongs to the copper alloys classification, while S31727 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C37100 brass and the bottom bar is S31727 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 8.0 to 40
40
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
78
Shear Strength, MPa 260 to 300
430
Tensile Strength: Ultimate (UTS), MPa 370 to 520
630
Tensile Strength: Yield (Proof), MPa 150 to 390
270

Thermal Properties

Latent Heat of Fusion, J/g 170
290
Maximum Temperature: Mechanical, °C 120
1010
Melting Completion (Liquidus), °C 900
1440
Melting Onset (Solidus), °C 890
1390
Specific Heat Capacity, J/kg-K 380
470
Thermal Expansion, µm/m-K 21
16

Otherwise Unclassified Properties

Base Metal Price, % relative 23
24
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 2.7
4.7
Embodied Energy, MJ/kg 45
64
Embodied Water, L/kg 320
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 120
200
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 750
190
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 13 to 18
22
Strength to Weight: Bending, points 14 to 18
20
Thermal Shock Resistance, points 12 to 17
14

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17.5 to 19
Copper (Cu), % 58 to 62
2.8 to 4.0
Iron (Fe), % 0 to 0.15
53.7 to 61.3
Lead (Pb), % 0.6 to 1.2
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.8 to 4.5
Nickel (Ni), % 0
14.5 to 16.5
Nitrogen (N), % 0
0.15 to 0.21
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 36.3 to 41.4
0
Residuals, % 0 to 0.4
0