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Nickel 30 vs. ACI-ASTM CN7MS Steel

Nickel 30 belongs to the nickel alloys classification, while ACI-ASTM CN7MS steel belongs to the iron alloys. They have 62% of their average alloy composition in common. There are 27 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 nickel 30 and the bottom bar is ACI-ASTM CN7MS steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
39
Fatigue Strength, MPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 82
77
Tensile Strength: Ultimate (UTS), MPa 660
540
Tensile Strength: Yield (Proof), MPa 270
230

Thermal Properties

Latent Heat of Fusion, J/g 320
340
Maximum Temperature: Mechanical, °C 1020
1040
Melting Completion (Liquidus), °C 1480
1400
Melting Onset (Solidus), °C 1430
1350
Specific Heat Capacity, J/kg-K 450
480
Thermal Conductivity, W/m-K 10
12
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 60
28
Density, g/cm3 8.5
7.9
Embodied Carbon, kg CO2/kg material 9.4
5.1
Embodied Energy, MJ/kg 130
71
Embodied Water, L/kg 290
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
170
Resilience: Unit (Modulus of Resilience), kJ/m3 180
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 22
19
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 2.7
3.2
Thermal Shock Resistance, points 18
13

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 28 to 31.5
18 to 20
Cobalt (Co), % 0 to 5.0
0
Copper (Cu), % 1.0 to 2.4
1.5 to 2.0
Iron (Fe), % 13 to 17
45.4 to 53.5
Manganese (Mn), % 0 to 0.030
0 to 1.0
Molybdenum (Mo), % 4.0 to 6.0
2.5 to 3.0
Nickel (Ni), % 30.2 to 52.2
22 to 25
Niobium (Nb), % 0.3 to 1.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.8
2.5 to 3.5
Sulfur (S), % 0 to 0.020
0 to 0.030
Tungsten (W), % 1.5 to 4.0
0