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Nickel 625 vs. SAE-AISI D4 Steel

Nickel 625 belongs to the nickel alloys classification, while SAE-AISI D4 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is nickel 625 and the bottom bar is SAE-AISI D4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 33 to 34
8.4 to 15
Fatigue Strength, MPa 240 to 320
310 to 920
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
74
Shear Strength, MPa 530 to 600
460 to 1210
Tensile Strength: Ultimate (UTS), MPa 790 to 910
760 to 2060
Tensile Strength: Yield (Proof), MPa 320 to 450
470 to 1540

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Melting Completion (Liquidus), °C 1350
1430
Melting Onset (Solidus), °C 1290
1380
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 11
31
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
4.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
5.0

Otherwise Unclassified Properties

Base Metal Price, % relative 80
8.0
Density, g/cm3 8.6
7.7
Embodied Carbon, kg CO2/kg material 14
3.3
Embodied Energy, MJ/kg 190
49
Embodied Water, L/kg 290
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
100 to 160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 29
27 to 75
Strength to Weight: Bending, points 22 to 24
24 to 47
Thermal Diffusivity, mm2/s 2.9
8.3
Thermal Shock Resistance, points 22 to 25
23 to 63

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
2.1 to 2.4
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
80.6 to 86.3
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 1.0

Comparable Variants