SAE-AISI 1213 Steel vs. SAE-AISI 4140 Steel
Both SAE-AISI 1213 steel and SAE-AISI 4140 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 1213 steel and the bottom bar is SAE-AISI 4140 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 140 to 190 | |
200 to 310 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 11 to 29 | |
11 to 26 |
Fatigue Strength, MPa | 200 to 290 | |
360 to 650 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 73 | |
73 |
Shear Strength, MPa | 290 to 360 | |
410 to 660 |
Tensile Strength: Ultimate (UTS), MPa | 440 to 600 | |
690 to 1080 |
Tensile Strength: Yield (Proof), MPa | 260 to 470 | |
590 to 990 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
Maximum Temperature: Mechanical, °C | 400 | |
420 |
Melting Completion (Liquidus), °C | 1460 | |
1460 |
Melting Onset (Solidus), °C | 1420 | |
1420 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Conductivity, W/m-K | 51 | |
43 |
Thermal Expansion, µm/m-K | 12 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
7.3 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
8.4 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.8 | |
2.4 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
1.5 |
Embodied Energy, MJ/kg | 18 | |
20 |
Embodied Water, L/kg | 46 | |
51 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 63 to 110 | |
74 to 180 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 to 580 | |
920 to 2590 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 16 to 21 | |
25 to 38 |
Strength to Weight: Bending, points | 17 to 20 | |
22 to 30 |
Thermal Diffusivity, mm2/s | 14 | |
12 |
Thermal Shock Resistance, points | 14 to 19 | |
20 to 32 |
Alloy Composition
Carbon (C), % | 0 to 0.13 | |
0.38 to 0.43 |
Chromium (Cr), % | 0 | |
0.8 to 1.1 |
Iron (Fe), % | 98.4 to 99 | |
96.8 to 97.8 |
Manganese (Mn), % | 0.7 to 1.0 | |
0.75 to 1.0 |
Molybdenum (Mo), % | 0 | |
0.15 to 0.25 |
Phosphorus (P), % | 0.070 to 0.12 | |
0 to 0.035 |
Silicon (Si), % | 0 | |
0.15 to 0.35 |
Sulfur (S), % | 0.24 to 0.33 | |
0 to 0.040 |