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ACI-ASTM CG6MMN Steel vs. Nickel 693

ACI-ASTM CG6MMN steel belongs to the iron alloys classification, while nickel 693 belongs to the nickel alloys. They have a modest 40% 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 (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CG6MMN steel and the bottom bar is nickel 693.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
34
Fatigue Strength, MPa 260
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 670
660
Tensile Strength: Yield (Proof), MPa 320
310

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Mechanical, °C 1080
1010
Melting Completion (Liquidus), °C 1420
1350
Melting Onset (Solidus), °C 1380
1310
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
60
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 4.8
9.9
Embodied Energy, MJ/kg 68
140
Embodied Water, L/kg 180
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
190
Resilience: Unit (Modulus of Resilience), kJ/m3 260
250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
23
Strength to Weight: Bending, points 22
21
Thermal Shock Resistance, points 14
19

Alloy Composition

Aluminum (Al), % 0
2.5 to 4.0
Carbon (C), % 0 to 0.060
0 to 0.15
Chromium (Cr), % 20.5 to 23.5
27 to 31
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 51.9 to 62.1
2.5 to 6.0
Manganese (Mn), % 4.0 to 6.0
0 to 1.0
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
53.3 to 67.5
Niobium (Nb), % 0.1 to 0.3
0.5 to 2.5
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 1.0
Vanadium (V), % 0.1 to 0.3
0