ACI-ASTM CD4MCu Steel vs. ASTM A225 Steel
Both ACI-ASTM CD4MCu steel and ASTM A225 steel are iron alloys. There are 29 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 ACI-ASTM CD4MCu steel and the bottom bar is ASTM A225 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 200 | |
190 |
Elongation at Break, % | 18 | |
21 to 23 |
Fatigue Strength, MPa | 340 | |
330 to 390 |
Poisson's Ratio | 0.27 | |
0.29 |
Shear Modulus, GPa | 79 | |
73 |
Tensile Strength: Ultimate (UTS), MPa | 770 | |
620 to 830 |
Tensile Strength: Yield (Proof), MPa | 550 | |
460 to 550 |
Thermal Properties
Latent Heat of Fusion, J/g | 300 | |
250 |
Maximum Temperature: Mechanical, °C | 1100 | |
400 |
Melting Completion (Liquidus), °C | 1430 | |
1460 |
Melting Onset (Solidus), °C | 1380 | |
1420 |
Specific Heat Capacity, J/kg-K | 480 | |
470 |
Thermal Conductivity, W/m-K | 17 | |
52 |
Thermal Expansion, µm/m-K | 13 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 2.2 | |
7.3 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 2.5 | |
8.4 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 18 | |
2.3 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 3.5 | |
1.8 |
Embodied Energy, MJ/kg | 49 | |
24 to 25 |
Embodied Water, L/kg | 180 | |
48 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 130 | |
120 to 170 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 760 | |
580 to 820 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 25 | |
24 |
Strength to Weight: Axial, points | 28 | |
22 to 29 |
Strength to Weight: Bending, points | 24 | |
21 to 25 |
Thermal Diffusivity, mm2/s | 4.5 | |
14 |
Thermal Shock Resistance, points | 21 | |
18 to 24 |