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SAE-AISI T5 Steel vs. Nickel 684

SAE-AISI T5 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 (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI T5 steel and the bottom bar is nickel 684.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 860 to 2140
1190

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Melting Completion (Liquidus), °C 1810
1370
Melting Onset (Solidus), °C 1750
1320
Specific Heat Capacity, J/kg-K 410
470
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 60
75
Density, g/cm3 9.4
8.3
Embodied Carbon, kg CO2/kg material 11
10
Embodied Energy, MJ/kg 170
140
Embodied Water, L/kg 140
360

Common Calculations

Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 21
23
Strength to Weight: Axial, points 25 to 63
40
Strength to Weight: Bending, points 21 to 39
30
Thermal Shock Resistance, points 26 to 66
34

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0.75 to 0.85
0 to 0.15
Chromium (Cr), % 3.8 to 5.0
15 to 20
Cobalt (Co), % 7.0 to 9.5
13 to 20
Copper (Cu), % 0 to 0.25
0 to 0.15
Iron (Fe), % 60.6 to 68.3
0 to 4.0
Manganese (Mn), % 0.2 to 0.4
0 to 0.75
Molybdenum (Mo), % 0.5 to 1.3
3.0 to 5.0
Nickel (Ni), % 0 to 0.3
42.7 to 64
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0.2 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
2.5 to 3.3
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.8 to 2.4
0