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AISI 409 Stainless Steel vs. Grade CU5MCuC Nickel

AISI 409 stainless steel belongs to the iron alloys classification, while grade CU5MCuC nickel belongs to the nickel alloys. They have 42% of their average alloy composition in common. There are 26 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 AISI 409 stainless steel and the bottom bar is grade CU5MCuC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 24
22
Fatigue Strength, MPa 140
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 420
580
Tensile Strength: Yield (Proof), MPa 200
270

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Mechanical, °C 710
980
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
45
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 2.0
7.7
Embodied Energy, MJ/kg 28
110
Embodied Water, L/kg 94
230

Common Calculations

PREN (Pitting Resistance) 11
31
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83
110
Resilience: Unit (Modulus of Resilience), kJ/m3 100
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 15
20
Strength to Weight: Bending, points 16
19
Thermal Shock Resistance, points 15
16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 10.5 to 11.7
19.5 to 23.5
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 84.9 to 89.5
22.2 to 37.9
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0 to 0.5
38 to 44
Niobium (Nb), % 0
0.6 to 1.2
Phosphorus (P), % 0 to 0.045
0 to 0.030
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