C47940 Brass vs. K94200 Alloy
C47940 brass belongs to the copper alloys classification, while K94200 alloy belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is C47940 brass and the bottom bar is K94200 alloy.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 140 |
| Elongation at Break, % | 14 to 34 | |
| 5.0 to 32 |
| Poisson's Ratio | 0.31 | |
| 0.34 |
| Shear Modulus, GPa | 40 | |
| 54 |
| Shear Strength, MPa | 250 to 310 | |
| 330 to 410 |
| Tensile Strength: Ultimate (UTS), MPa | 380 to 520 | |
| 500 to 710 |
| Tensile Strength: Yield (Proof), MPa | 160 to 390 | |
| 270 to 650 |
Thermal Properties
| Melting Onset (Solidus), °C | 800 | |
| 1440 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 500 |
| Thermal Conductivity, W/m-K | 110 | |
| 15 |
| Thermal Expansion, µm/m-K | 20 | |
| 5.0 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.2 | |
| 8.2 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 68 to 100 | |
| 35 to 130 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 to 740 | |
| 250 to 1460 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 9.8 |
| Stiffness to Weight: Bending, points | 19 | |
| 21 |
| Strength to Weight: Axial, points | 13 to 17 | |
| 17 to 24 |
| Strength to Weight: Bending, points | 14 to 17 | |
| 17 to 22 |
| Thermal Diffusivity, mm2/s | 36 | |
| 3.7 |
| Thermal Shock Resistance, points | 13 to 17 | |
| 49 to 70 |