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Nickel 625 vs. SAE-AISI D2 Steel

Nickel 625 belongs to the nickel alloys classification, while SAE-AISI D2 steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is nickel 625 and the bottom bar is SAE-AISI D2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 33 to 34
5.0 to 16
Fatigue Strength, MPa 240 to 320
310 to 860
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
75
Shear Strength, MPa 530 to 600
460 to 1160
Tensile Strength: Ultimate (UTS), MPa 790 to 910
760 to 2000
Tensile Strength: Yield (Proof), MPa 320 to 450
470 to 1510

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Melting Completion (Liquidus), °C 1350
1440
Melting Onset (Solidus), °C 1290
1390
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 11
31
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
4.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 80
8.0
Density, g/cm3 8.6
7.7
Embodied Carbon, kg CO2/kg material 14
3.4
Embodied Energy, MJ/kg 190
50
Embodied Water, L/kg 290
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
92 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
570 to 5940
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 29
27 to 72
Strength to Weight: Bending, points 22 to 24
24 to 46
Thermal Diffusivity, mm2/s 2.9
8.3
Thermal Shock Resistance, points 22 to 25
25 to 67

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
1.4 to 1.6
Chromium (Cr), % 20 to 23
11 to 13
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 5.0
81.3 to 86.9
Manganese (Mn), % 0 to 0.5
0 to 0.6
Molybdenum (Mo), % 8.0 to 10
0.7 to 1.2
Nickel (Ni), % 58 to 68.9
0 to 0.3
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.4
0
Vanadium (V), % 0
0 to 1.1

Comparable Variants