SAE-AISI 4028 Steel vs. SAE-AISI 51B60 Steel
Both SAE-AISI 4028 steel and SAE-AISI 51B60 steel are iron alloys. They have a very high 99% of their average alloy composition in common.
For each property being compared, the top bar is SAE-AISI 4028 steel and the bottom bar is SAE-AISI 51B60 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 150 to 190 | |
200 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 14 to 23 | |
12 to 21 |
Fatigue Strength, MPa | 180 to 330 | |
280 to 340 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 73 | |
73 |
Shear Strength, MPa | 310 to 380 | |
390 to 420 |
Tensile Strength: Ultimate (UTS), MPa | 490 to 630 | |
660 |
Tensile Strength: Yield (Proof), MPa | 260 to 520 | |
400 to 550 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
Maximum Temperature: Mechanical, °C | 400 | |
420 |
Melting Completion (Liquidus), °C | 1460 | |
1450 |
Melting Onset (Solidus), °C | 1420 | |
1410 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Conductivity, W/m-K | 49 | |
43 |
Thermal Expansion, µm/m-K | 12 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.1 | |
7.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.1 | |
8.3 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 2.1 | |
2.1 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 1.5 | |
1.4 |
Embodied Energy, MJ/kg | 19 | |
19 |
Embodied Water, L/kg | 47 | |
49 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 81 to 95 | |
73 to 120 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 180 to 720 | |
420 to 800 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 17 to 22 | |
23 |
Strength to Weight: Bending, points | 18 to 21 | |
22 |
Thermal Diffusivity, mm2/s | 13 | |
12 |
Thermal Shock Resistance, points | 16 to 20 | |
19 |
Alloy Composition
Boron (B), % | 0 | |
0.00050 to 0.0030 |
Carbon (C), % | 0.25 to 0.3 | |
0.56 to 0.64 |
Chromium (Cr), % | 0 | |
0.7 to 0.9 |
Iron (Fe), % | 98.1 to 98.7 | |
97 to 97.8 |
Manganese (Mn), % | 0.7 to 0.9 | |
0.75 to 1.0 |
Molybdenum (Mo), % | 0.2 to 0.3 | |
0 |
Phosphorus (P), % | 0 to 0.035 | |
0 to 0.035 |
Silicon (Si), % | 0.15 to 0.35 | |
0.15 to 0.35 |
Sulfur (S), % | 0.035 to 0.050 | |
0 to 0.040 |