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SAE-AISI S4 Steel vs. Nickel 684

SAE-AISI S4 steel belongs to the iron alloys classification, while nickel 684 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S4 steel and the bottom bar is nickel 684.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 670 to 2140
1190

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Melting Completion (Liquidus), °C 1430
1370
Melting Onset (Solidus), °C 1390
1320
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
75
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 2.0
10
Embodied Energy, MJ/kg 29
140
Embodied Water, L/kg 48
360

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 24 to 77
40
Strength to Weight: Bending, points 22 to 48
30
Thermal Shock Resistance, points 20 to 65
34

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0.5 to 0.65
0 to 0.15
Chromium (Cr), % 0.1 to 0.5
15 to 20
Cobalt (Co), % 0
13 to 20
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 95.2 to 96.9
0 to 4.0
Manganese (Mn), % 0.6 to 1.0
0 to 0.75
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0
42.7 to 64
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 1.8 to 2.3
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
2.5 to 3.3
Vanadium (V), % 0.15 to 0.35
0