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Nickel 825 vs. SAE-AISI T1 Steel

Nickel 825 belongs to the nickel alloys classification, while SAE-AISI T1 steel belongs to the iron alloys. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is nickel 825 and the bottom bar is SAE-AISI T1 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
80
Tensile Strength: Ultimate (UTS), MPa 650
770 to 2130

Thermal Properties

Latent Heat of Fusion, J/g 300
240
Melting Completion (Liquidus), °C 1400
1810
Melting Onset (Solidus), °C 1370
1750
Specific Heat Capacity, J/kg-K 460
410
Thermal Conductivity, W/m-K 11
20
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 41
45
Density, g/cm3 8.2
9.3
Embodied Carbon, kg CO2/kg material 7.2
8.2
Embodied Energy, MJ/kg 100
130
Embodied Water, L/kg 230
90

Common Calculations

PREN (Pitting Resistance) 31
34
Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 24
21
Strength to Weight: Axial, points 22
23 to 64
Strength to Weight: Bending, points 20
20 to 40
Thermal Diffusivity, mm2/s 2.9
5.2
Thermal Shock Resistance, points 17
23 to 64

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Carbon (C), % 0 to 0.050
0.65 to 0.8
Chromium (Cr), % 19.5 to 23.5
3.8 to 4.5
Copper (Cu), % 1.5 to 3.0
0 to 0.25
Iron (Fe), % 22 to 37.9
73.2 to 77.2
Manganese (Mn), % 0 to 1.0
0.1 to 0.4
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 38 to 46
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.050
0.2 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0.6 to 1.2
0
Tungsten (W), % 0
17.3 to 18.8
Vanadium (V), % 0
0.9 to 1.3