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S44800 Stainless Steel vs. Grade CW6M Nickel

S44800 stainless steel belongs to the iron alloys classification, while grade CW6M nickel belongs to the nickel alloys. They have a modest 26% 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 (10, in this case) are not shown.

For each property being compared, the top bar is S44800 stainless steel and the bottom bar is grade CW6M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
220
Elongation at Break, % 23
29
Fatigue Strength, MPa 300
210
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 82
84
Tensile Strength: Ultimate (UTS), MPa 590
560
Tensile Strength: Yield (Proof), MPa 450
310

Thermal Properties

Latent Heat of Fusion, J/g 300
330
Maximum Temperature: Mechanical, °C 1100
970
Melting Completion (Liquidus), °C 1460
1530
Melting Onset (Solidus), °C 1410
1470
Specific Heat Capacity, J/kg-K 480
430
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 19
65
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 3.8
13
Embodied Energy, MJ/kg 52
170
Embodied Water, L/kg 190
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
140
Resilience: Unit (Modulus of Resilience), kJ/m3 480
220
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 21
18
Strength to Weight: Bending, points 20
17
Thermal Shock Resistance, points 19
16

Alloy Composition

Carbon (C), % 0 to 0.010
0 to 0.070
Chromium (Cr), % 28 to 30
17 to 20
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 62.6 to 66.5
0 to 3.0
Manganese (Mn), % 0 to 0.3
0 to 1.0
Molybdenum (Mo), % 3.5 to 4.2
17 to 20
Nickel (Ni), % 2.0 to 2.5
54.9 to 66
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030