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ACI-ASTM CK35MN Steel vs. Grade M30H Nickel

ACI-ASTM CK35MN steel belongs to the iron alloys classification, while grade M30H nickel belongs to the nickel alloys. They have a modest 24% 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 (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK35MN steel and the bottom bar is grade M30H nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
160
Elongation at Break, % 40
11
Fatigue Strength, MPa 270
230
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 81
61
Tensile Strength: Ultimate (UTS), MPa 650
770
Tensile Strength: Yield (Proof), MPa 310
470

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1460
1250
Melting Onset (Solidus), °C 1410
1200
Specific Heat Capacity, J/kg-K 470
440
Thermal Conductivity, W/m-K 12
22
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
50
Density, g/cm3 8.0
8.6
Embodied Carbon, kg CO2/kg material 5.9
7.7
Embodied Energy, MJ/kg 81
110
Embodied Water, L/kg 210
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
75
Resilience: Unit (Modulus of Resilience), kJ/m3 240
700
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 22
25
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 3.3
5.7
Thermal Shock Resistance, points 14
27

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.3
Chromium (Cr), % 22 to 24
0
Copper (Cu), % 0 to 0.4
27 to 33
Iron (Fe), % 43.4 to 51.8
0 to 3.5
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 6.0 to 6.8
0
Nickel (Ni), % 20 to 22
57.9 to 70.3
Nitrogen (N), % 0.21 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
2.7 to 3.7
Sulfur (S), % 0 to 0.020
0 to 0.030