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AISI 409 Stainless Steel vs. Grade CW6M Nickel

AISI 409 stainless steel belongs to the iron alloys classification, while grade CW6M nickel belongs to the nickel alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 409 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, % 24
29
Fatigue Strength, MPa 140
210
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
84
Tensile Strength: Ultimate (UTS), MPa 420
560
Tensile Strength: Yield (Proof), MPa 200
310

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Mechanical, °C 710
970
Melting Completion (Liquidus), °C 1450
1530
Melting Onset (Solidus), °C 1400
1470
Specific Heat Capacity, J/kg-K 480
430
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
65
Density, g/cm3 7.7
8.8
Embodied Carbon, kg CO2/kg material 2.0
13
Embodied Energy, MJ/kg 28
170
Embodied Water, L/kg 94
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
140
Resilience: Unit (Modulus of Resilience), kJ/m3 100
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 15
18
Strength to Weight: Bending, points 16
17
Thermal Shock Resistance, points 15
16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.070
Chromium (Cr), % 10.5 to 11.7
17 to 20
Iron (Fe), % 84.9 to 89.5
0 to 3.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
17 to 20
Nickel (Ni), % 0 to 0.5
54.9 to 66
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0 to 0.75
0