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S46500 Stainless Steel vs. Grade CW6M Nickel

S46500 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 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S46500 stainless steel and the bottom bar is grade CW6M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Elongation at Break, % 2.3 to 14
29
Fatigue Strength, MPa 550 to 890
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
84
Tensile Strength: Ultimate (UTS), MPa 1260 to 1930
560
Tensile Strength: Yield (Proof), MPa 1120 to 1810
310

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 780
970
Melting Completion (Liquidus), °C 1450
1530
Melting Onset (Solidus), °C 1410
1470
Specific Heat Capacity, J/kg-K 470
430
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
65
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 3.6
13
Embodied Energy, MJ/kg 51
170
Embodied Water, L/kg 120
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 43 to 210
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 44 to 68
18
Strength to Weight: Bending, points 33 to 44
17
Thermal Shock Resistance, points 44 to 67
16

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.070
Chromium (Cr), % 11 to 12.5
17 to 20
Iron (Fe), % 72.6 to 76.1
0 to 3.0
Manganese (Mn), % 0 to 0.25
0 to 1.0
Molybdenum (Mo), % 0.75 to 1.3
17 to 20
Nickel (Ni), % 10.7 to 11.3
54.9 to 66
Nitrogen (N), % 0 to 0.010
0
Phosphorus (P), % 0 to 0.015
0 to 0.040
Silicon (Si), % 0 to 0.25
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 1.5 to 1.8
0