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ACI-ASTM CA6NM Steel vs. Nickel 30

ACI-ASTM CA6NM steel belongs to the iron alloys classification, while nickel 30 belongs to the nickel 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 ACI-ASTM CA6NM steel and the bottom bar is nickel 30.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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