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Nickel 617 vs. ACI-ASTM CG6MMN Steel

Nickel 617 belongs to the nickel alloys classification, while ACI-ASTM CG6MMN steel belongs to the iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. 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 nickel 617 and the bottom bar is ACI-ASTM CG6MMN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
34
Fatigue Strength, MPa 220
260
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 80
79
Tensile Strength: Ultimate (UTS), MPa 740
670
Tensile Strength: Yield (Proof), MPa 280
320

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Mechanical, °C 1010
1080
Melting Completion (Liquidus), °C 1380
1420
Melting Onset (Solidus), °C 1330
1380
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 75
22
Density, g/cm3 8.5
7.8
Embodied Carbon, kg CO2/kg material 10
4.8
Embodied Energy, MJ/kg 140
68
Embodied Water, L/kg 350
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
190
Resilience: Unit (Modulus of Resilience), kJ/m3 190
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 24
24
Strength to Weight: Bending, points 21
22
Thermal Shock Resistance, points 21
14

Alloy Composition

Aluminum (Al), % 0.8 to 1.5
0
Boron (B), % 0 to 0.0060
0
Carbon (C), % 0.050 to 0.15
0 to 0.060
Chromium (Cr), % 20 to 24
20.5 to 23.5
Cobalt (Co), % 10 to 15
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 0 to 3.0
51.9 to 62.1
Manganese (Mn), % 0 to 1.0
4.0 to 6.0
Molybdenum (Mo), % 8.0 to 10
1.5 to 3.0
Nickel (Ni), % 44.5 to 62
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3