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ACI-ASTM CD6MN Steel vs. Nickel 617

ACI-ASTM CD6MN steel belongs to the iron alloys classification, while nickel 617 belongs to the nickel alloys. They have a modest 32% 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 CD6MN steel and the bottom bar is nickel 617.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 28
40
Fatigue Strength, MPa 370
220
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
80
Tensile Strength: Ultimate (UTS), MPa 730
740
Tensile Strength: Yield (Proof), MPa 510
280

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Mechanical, °C 1100
1010
Melting Completion (Liquidus), °C 1440
1380
Melting Onset (Solidus), °C 1390
1330
Specific Heat Capacity, J/kg-K 480
450
Thermal Conductivity, W/m-K 16
13
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
1.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
1.5

Otherwise Unclassified Properties

Base Metal Price, % relative 17
75
Density, g/cm3 7.7
8.5
Embodied Carbon, kg CO2/kg material 3.4
10
Embodied Energy, MJ/kg 48
140
Embodied Water, L/kg 170
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
230
Resilience: Unit (Modulus of Resilience), kJ/m3 650
190
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 26
24
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 4.4
3.5
Thermal Shock Resistance, points 20
21

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Boron (B), % 0
0 to 0.0060
Carbon (C), % 0 to 0.060
0.050 to 0.15
Chromium (Cr), % 24 to 27
20 to 24
Cobalt (Co), % 0
10 to 15
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 62.1 to 70.1
0 to 3.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 1.8 to 2.5
8.0 to 10
Nickel (Ni), % 4.0 to 6.0
44.5 to 62
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015