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ACI-ASTM CA15M Steel vs. Nickel 625

ACI-ASTM CA15M steel belongs to the iron alloys classification, while nickel 625 belongs to the nickel alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA15M steel and the bottom bar is nickel 625.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 20
33 to 34
Fatigue Strength, MPa 330
240 to 320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 690
790 to 910
Tensile Strength: Yield (Proof), MPa 510
320 to 450

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Mechanical, °C 760
980
Melting Completion (Liquidus), °C 1450
1350
Melting Onset (Solidus), °C 1410
1290
Specific Heat Capacity, J/kg-K 480
440
Thermal Conductivity, W/m-K 27
11
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
1.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
80
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 2.1
14
Embodied Energy, MJ/kg 29
190
Embodied Water, L/kg 100
290

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
220 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 670
260 to 490
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 25
26 to 29
Strength to Weight: Bending, points 22
22 to 24
Thermal Diffusivity, mm2/s 7.2
2.9
Thermal Shock Resistance, points 25
22 to 25

Alloy Composition

Aluminum (Al), % 0
0 to 0.4
Carbon (C), % 0 to 0.15
0 to 0.1
Chromium (Cr), % 11.5 to 14
20 to 23
Cobalt (Co), % 0
0 to 1.0
Iron (Fe), % 82.1 to 88.4
0 to 5.0
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0.15 to 1.0
8.0 to 10
Nickel (Ni), % 0 to 1.0
58 to 68.9
Niobium (Nb), % 0
3.2 to 4.2
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 0.65
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.015
Titanium (Ti), % 0
0 to 0.4