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ACI-ASTM CD6MN Steel vs. Grade CW6M Nickel

ACI-ASTM CD6MN steel belongs to the iron alloys classification, while grade CW6M nickel belongs to the nickel alloys. They have a modest 28% 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 CD6MN steel and the bottom bar is grade CW6M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 28
29
Fatigue Strength, MPa 370
210
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
84
Tensile Strength: Ultimate (UTS), MPa 730
560
Tensile Strength: Yield (Proof), MPa 510
310

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Mechanical, °C 1100
970
Melting Completion (Liquidus), °C 1440
1530
Melting Onset (Solidus), °C 1390
1470
Specific Heat Capacity, J/kg-K 480
430
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 17
65
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 3.4
13
Embodied Energy, MJ/kg 48
170
Embodied Water, L/kg 170
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
140
Resilience: Unit (Modulus of Resilience), kJ/m3 650
220
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 26
18
Strength to Weight: Bending, points 23
17
Thermal Shock Resistance, points 20
16

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.070
Chromium (Cr), % 24 to 27
17 to 20
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
17 to 20
Nickel (Ni), % 4.0 to 6.0
54.9 to 66
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030