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Nickel 625 vs. ACI-ASTM CE3MN Steel

Nickel 625 belongs to the nickel alloys classification, while ACI-ASTM CE3MN steel belongs to the iron alloys. They have a modest 36% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 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 ACI-ASTM CE3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 33 to 34
20
Fatigue Strength, MPa 240 to 320
380
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 790 to 910
770
Tensile Strength: Yield (Proof), MPa 320 to 450
590

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1350
1450
Melting Onset (Solidus), °C 1290
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 11
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 80
21
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 14
4.2
Embodied Energy, MJ/kg 190
58
Embodied Water, L/kg 290
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
140
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
840
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 29
27
Strength to Weight: Bending, points 22 to 24
24
Thermal Diffusivity, mm2/s 2.9
4.1
Thermal Shock Resistance, points 22 to 25
21

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 20 to 23
24 to 26
Cobalt (Co), % 0 to 1.0
0
Iron (Fe), % 0 to 5.0
58.1 to 65.9
Manganese (Mn), % 0 to 0.5
0 to 1.5
Molybdenum (Mo), % 8.0 to 10
4.0 to 5.0
Nickel (Ni), % 58 to 68.9
6.0 to 8.0
Niobium (Nb), % 3.2 to 4.2
0
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.040
Titanium (Ti), % 0 to 0.4
0