SAE-AISI 4130 Steel vs. Nickel 684
SAE-AISI 4130 steel belongs to the iron alloys classification, while nickel 684 belongs to the nickel alloys. There are 27 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is SAE-AISI 4130 steel and the bottom bar is nickel 684.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 200 to 300 | |
310 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
200 |
Elongation at Break, % | 13 to 26 | |
11 |
Fatigue Strength, MPa | 320 to 660 | |
390 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 73 | |
76 |
Shear Strength, MPa | 340 to 640 | |
710 |
Tensile Strength: Ultimate (UTS), MPa | 530 to 1040 | |
1190 |
Tensile Strength: Yield (Proof), MPa | 440 to 980 | |
800 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
320 |
Maximum Temperature: Mechanical, °C | 420 | |
1000 |
Melting Completion (Liquidus), °C | 1460 | |
1370 |
Melting Onset (Solidus), °C | 1420 | |
1320 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Expansion, µm/m-K | 13 | |
13 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 2.4 | |
75 |
Density, g/cm3 | 7.8 | |
8.3 |
Embodied Carbon, kg CO2/kg material | 1.5 | |
10 |
Embodied Energy, MJ/kg | 20 | |
140 |
Embodied Water, L/kg | 50 | |
360 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 83 to 180 | |
120 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 500 to 2550 | |
1610 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
23 |
Strength to Weight: Axial, points | 19 to 37 | |
40 |
Strength to Weight: Bending, points | 19 to 29 | |
30 |
Thermal Shock Resistance, points | 16 to 31 | |
34 |
Alloy Composition
Aluminum (Al), % | 0 | |
2.5 to 3.3 |
Boron (B), % | 0 | |
0.0030 to 0.010 |
Carbon (C), % | 0.28 to 0.33 | |
0 to 0.15 |
Chromium (Cr), % | 0.8 to 1.1 | |
15 to 20 |
Cobalt (Co), % | 0 | |
13 to 20 |
Copper (Cu), % | 0 | |
0 to 0.15 |
Iron (Fe), % | 97.3 to 98.2 | |
0 to 4.0 |
Manganese (Mn), % | 0.4 to 0.6 | |
0 to 0.75 |
Molybdenum (Mo), % | 0.15 to 0.25 | |
3.0 to 5.0 |
Nickel (Ni), % | 0 | |
42.7 to 64 |
Phosphorus (P), % | 0 to 0.035 | |
0 to 0.015 |
Silicon (Si), % | 0.15 to 0.35 | |
0 to 0.75 |
Sulfur (S), % | 0 to 0.040 | |
0 to 0.015 |
Titanium (Ti), % | 0 | |
2.5 to 3.3 |