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Nickel 30 vs. ACI-ASTM CA6NM Steel

Nickel 30 belongs to the nickel alloys classification, while ACI-ASTM CA6NM steel belongs to the iron alloys. They have a modest 33% 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 (5, in this case) are not shown.

For each property being compared, the top bar is nickel 30 and the bottom bar is ACI-ASTM CA6NM steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
17
Fatigue Strength, MPa 200
380
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 82
76
Tensile Strength: Ultimate (UTS), MPa 660
850
Tensile Strength: Yield (Proof), MPa 270
620

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Mechanical, °C 1020
770
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 10
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 60
10
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 9.4
2.5
Embodied Energy, MJ/kg 130
34
Embodied Water, L/kg 290
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
130
Resilience: Unit (Modulus of Resilience), kJ/m3 180
1000
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 22
30
Strength to Weight: Bending, points 20
26
Thermal Diffusivity, mm2/s 2.7
6.7
Thermal Shock Resistance, points 18
31

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 28 to 31.5
11.5 to 14
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 1.0 to 2.4
0
Iron (Fe), % 13 to 17
78.4 to 84.6
Manganese (Mn), % 0 to 0.030
0 to 1.0
Molybdenum (Mo), % 4.0 to 6.0
0.4 to 1.0
Nickel (Ni), % 30.2 to 52.2
3.5 to 4.5
Niobium (Nb), % 0.3 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 1.5 to 4.0
0