C69700 Brass vs. AWS ER70S-A1
C69700 brass belongs to the copper alloys classification, while AWS ER70S-A1 belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is C69700 brass and the bottom bar is AWS ER70S-A1.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 190 |
| Elongation at Break, % | 25 | |
| 22 |
| Poisson's Ratio | 0.32 | |
| 0.29 |
| Shear Modulus, GPa | 41 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 470 | |
| 590 |
| Tensile Strength: Yield (Proof), MPa | 230 | |
| 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 260 |
| Melting Completion (Liquidus), °C | 930 | |
| 1460 |
| Melting Onset (Solidus), °C | 880 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 470 |
| Thermal Conductivity, W/m-K | 43 | |
| 50 |
| Thermal Expansion, µm/m-K | 19 | |
| 13 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 26 | |
| 2.5 |
| Density, g/cm3 | 8.3 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 1.5 |
| Embodied Energy, MJ/kg | 44 | |
| 20 |
| Embodied Water, L/kg | 310 | |
| 48 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 99 | |
| 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 250 | |
| 540 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 24 |
| Strength to Weight: Axial, points | 16 | |
| 21 |
| Strength to Weight: Bending, points | 16 | |
| 20 |
| Thermal Diffusivity, mm2/s | 13 | |
| 14 |
| Thermal Shock Resistance, points | 16 | |
| 17 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0 to 0.12 |
| Copper (Cu), % | 75 to 80 | |
| 0 to 0.35 |
| Iron (Fe), % | 0 to 0.2 | |
| 96.1 to 99.3 |
| Lead (Pb), % | 0.5 to 1.5 | |
| 0 |
| Manganese (Mn), % | 0 to 0.4 | |
| 0 to 1.3 |
| Molybdenum (Mo), % | 0 | |
| 0.4 to 0.65 |
| Nickel (Ni), % | 0 | |
| 0 to 0.2 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 2.5 to 3.5 | |
| 0.3 to 0.7 |
| Sulfur (S), % | 0 | |
| 0 to 0.025 |
| Zinc (Zn), % | 13.9 to 22 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |