AISI 304 Stainless Steel vs. C47940 Brass
AISI 304 stainless steel belongs to the iron alloys classification, while C47940 brass belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is AISI 304 stainless steel and the bottom bar is C47940 brass.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
100 |
Elongation at Break, % | 8.0 to 43 | |
14 to 34 |
Poisson's Ratio | 0.28 | |
0.31 |
Shear Modulus, GPa | 77 | |
40 |
Shear Strength, MPa | 400 to 690 | |
250 to 310 |
Tensile Strength: Ultimate (UTS), MPa | 580 to 1180 | |
380 to 520 |
Tensile Strength: Yield (Proof), MPa | 230 to 860 | |
160 to 390 |
Thermal Properties
Latent Heat of Fusion, J/g | 290 | |
170 |
Maximum Temperature: Mechanical, °C | 710 | |
130 |
Melting Completion (Liquidus), °C | 1450 | |
850 |
Melting Onset (Solidus), °C | 1400 | |
800 |
Specific Heat Capacity, J/kg-K | 480 | |
380 |
Thermal Conductivity, W/m-K | 16 | |
110 |
Thermal Expansion, µm/m-K | 17 | |
20 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 15 | |
25 |
Density, g/cm3 | 7.8 | |
8.2 |
Embodied Carbon, kg CO2/kg material | 3.0 | |
2.8 |
Embodied Energy, MJ/kg | 43 | |
47 |
Embodied Water, L/kg | 150 | |
330 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 86 to 250 | |
68 to 100 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 1870 | |
120 to 740 |
Stiffness to Weight: Axial, points | 14 | |
7.1 |
Stiffness to Weight: Bending, points | 25 | |
19 |
Strength to Weight: Axial, points | 21 to 42 | |
13 to 17 |
Strength to Weight: Bending, points | 20 to 32 | |
14 to 17 |
Thermal Diffusivity, mm2/s | 4.2 | |
36 |
Thermal Shock Resistance, points | 12 to 25 | |
13 to 17 |
Alloy Composition
Carbon (C), % | 0 to 0.080 | |
0 |
Chromium (Cr), % | 18 to 20 | |
0 |
Copper (Cu), % | 0 | |
63 to 66 |
Iron (Fe), % | 66.5 to 74 | |
0.1 to 1.0 |
Lead (Pb), % | 0 | |
1.0 to 2.0 |
Manganese (Mn), % | 0 to 2.0 | |
0 |
Nickel (Ni), % | 8.0 to 10.5 | |
0.1 to 0.5 |
Nitrogen (N), % | 0 to 0.1 | |
0 |
Phosphorus (P), % | 0 to 0.045 | |
0 |
Silicon (Si), % | 0 to 0.75 | |
0 |
Sulfur (S), % | 0 to 0.030 | |
0 |
Tin (Sn), % | 0 | |
1.2 to 2.0 |
Zinc (Zn), % | 0 | |
28.1 to 34.6 |
Residuals, % | 0 | |
0 to 0.4 |