MakeItFrom.com
Menu (ESC)

C47940 Brass vs. S31727 Stainless Steel

C47940 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 (8, in this case) are not shown.

For each property being compared, the top bar is C47940 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, % 14 to 34
40
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
78
Shear Strength, MPa 250 to 310
430
Tensile Strength: Ultimate (UTS), MPa 380 to 520
630
Tensile Strength: Yield (Proof), MPa 160 to 390
270

Thermal Properties

Latent Heat of Fusion, J/g 170
290
Maximum Temperature: Mechanical, °C 130
1010
Melting Completion (Liquidus), °C 850
1440
Melting Onset (Solidus), °C 800
1390
Specific Heat Capacity, J/kg-K 380
470
Thermal Expansion, µm/m-K 20
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
24
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 2.8
4.7
Embodied Energy, MJ/kg 47
64
Embodied Water, L/kg 330
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 100
200
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 740
190
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 13 to 17
22
Strength to Weight: Bending, points 14 to 17
20
Thermal Shock Resistance, points 13 to 17
14

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
17.5 to 19
Copper (Cu), % 63 to 66
2.8 to 4.0
Iron (Fe), % 0.1 to 1.0
53.7 to 61.3
Lead (Pb), % 1.0 to 2.0
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.8 to 4.5
Nickel (Ni), % 0.1 to 0.5
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
Tin (Sn), % 1.2 to 2.0
0
Zinc (Zn), % 28.1 to 34.6
0
Residuals, % 0 to 0.4
0