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ACI-ASTM CK20 Steel vs. N06250 Nickel

ACI-ASTM CK20 steel belongs to the iron alloys classification, while N06250 nickel belongs to the nickel alloys. They have 56% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK20 steel and the bottom bar is N06250 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 37
46
Fatigue Strength, MPa 220
230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
82
Tensile Strength: Ultimate (UTS), MPa 530
710
Tensile Strength: Yield (Proof), MPa 260
270

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Mechanical, °C 1100
980
Melting Completion (Liquidus), °C 1400
1490
Melting Onset (Solidus), °C 1430
1440
Specific Heat Capacity, J/kg-K 480
440
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
55
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 4.4
10
Embodied Energy, MJ/kg 62
140
Embodied Water, L/kg 190
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
260
Resilience: Unit (Modulus of Resilience), kJ/m3 170
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 19
23
Strength to Weight: Bending, points 19
21
Thermal Shock Resistance, points 13
19

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.020
Chromium (Cr), % 23 to 27
20 to 23
Copper (Cu), % 0
0.25 to 1.3
Iron (Fe), % 46.7 to 58
7.4 to 19.4
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
10.1 to 12
Nickel (Ni), % 19 to 22
50 to 54
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
0 to 0.090
Sulfur (S), % 0 to 0.040
0 to 0.0050
Tungsten (W), % 0
0.25 to 1.3