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C47940 Brass vs. S30615 Stainless Steel

C47940 brass belongs to the copper alloys classification, while S30615 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C47940 brass and the bottom bar is S30615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 14 to 34
39
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
75
Shear Strength, MPa 250 to 310
470
Tensile Strength: Ultimate (UTS), MPa 380 to 520
690
Tensile Strength: Yield (Proof), MPa 160 to 390
310

Thermal Properties

Latent Heat of Fusion, J/g 170
340
Maximum Temperature: Mechanical, °C 130
960
Melting Completion (Liquidus), °C 850
1370
Melting Onset (Solidus), °C 800
1320
Specific Heat Capacity, J/kg-K 380
500
Thermal Conductivity, W/m-K 110
14
Thermal Expansion, µm/m-K 20
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
19
Density, g/cm3 8.2
7.6
Embodied Carbon, kg CO2/kg material 2.8
3.7
Embodied Energy, MJ/kg 47
53
Embodied Water, L/kg 330
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 100
220
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 740
260
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 13 to 17
25
Strength to Weight: Bending, points 14 to 17
23
Thermal Diffusivity, mm2/s 36
3.7
Thermal Shock Resistance, points 13 to 17
16

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0
0.16 to 0.24
Chromium (Cr), % 0
17 to 19.5
Copper (Cu), % 63 to 66
0
Iron (Fe), % 0.1 to 1.0
56.7 to 65.3
Lead (Pb), % 1.0 to 2.0
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0.1 to 0.5
13.5 to 16
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
3.2 to 4.0
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