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C43400 Brass vs. S31277 Stainless Steel

C43400 brass belongs to the copper alloys classification, while S31277 stainless steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C43400 brass and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 3.0 to 49
45
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
80
Shear Strength, MPa 250 to 390
600
Tensile Strength: Ultimate (UTS), MPa 310 to 690
860
Tensile Strength: Yield (Proof), MPa 110 to 560
410

Thermal Properties

Latent Heat of Fusion, J/g 190
310
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 1020
1460
Melting Onset (Solidus), °C 990
1410
Specific Heat Capacity, J/kg-K 380
460
Thermal Expansion, µm/m-K 19
16

Otherwise Unclassified Properties

Base Metal Price, % relative 28
36
Density, g/cm3 8.6
8.1
Embodied Carbon, kg CO2/kg material 2.7
6.7
Embodied Energy, MJ/kg 44
90
Embodied Water, L/kg 320
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19 to 120
320
Resilience: Unit (Modulus of Resilience), kJ/m3 57 to 1420
410
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 10 to 22
29
Strength to Weight: Bending, points 12 to 20
25
Thermal Shock Resistance, points 11 to 24
19

Alloy Composition

Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
20.5 to 23
Copper (Cu), % 84 to 87
0.5 to 1.5
Iron (Fe), % 0 to 0.050
35.5 to 46.2
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
0 to 3.0
Molybdenum (Mo), % 0
6.5 to 8.0
Nickel (Ni), % 0
26 to 28
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0.4 to 1.0
0
Zinc (Zn), % 11.4 to 15.6
0
Residuals, % 0 to 0.5
0