EN 1.7725 Steel vs. ASTM A209 Steel
Both EN 1.7725 steel and ASTM A209 steel are iron alloys. There are 30 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 EN 1.7725 steel and the bottom bar is ASTM A209 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 250 to 300 | |
140 to 150 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 14 | |
34 |
Fatigue Strength, MPa | 390 to 550 | |
180 to 200 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 73 | |
73 |
Tensile Strength: Ultimate (UTS), MPa | 830 to 1000 | |
420 to 460 |
Tensile Strength: Yield (Proof), MPa | 610 to 860 | |
220 to 250 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
Maximum Temperature: Mechanical, °C | 440 | |
410 |
Melting Completion (Liquidus), °C | 1460 | |
1470 |
Melting Onset (Solidus), °C | 1420 | |
1420 to 1430 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Conductivity, W/m-K | 39 | |
50 |
Thermal Expansion, µm/m-K | 13 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.4 | |
7.1 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.6 | |
8.1 to 8.2 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 2.9 | |
2.4 |
Density, g/cm3 | 7.8 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 1.8 | |
1.5 |
Embodied Energy, MJ/kg | 24 | |
20 |
Embodied Water, L/kg | 54 | |
47 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 130 | |
120 to 130 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 980 to 1940 | |
130 to 170 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 29 to 35 | |
15 to 16 |
Strength to Weight: Bending, points | 25 to 28 | |
16 to 17 |
Thermal Diffusivity, mm2/s | 11 | |
13 |
Thermal Shock Resistance, points | 24 to 29 | |
12 to 14 |