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S21640 Stainless Steel vs. N06045 Nickel

S21640 stainless steel belongs to the iron alloys classification, while N06045 nickel belongs to the nickel alloys. They have 48% of their average alloy composition in common. There are 27 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 S21640 stainless steel and the bottom bar is N06045 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
37
Fatigue Strength, MPa 320
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 520
470
Tensile Strength: Ultimate (UTS), MPa 740
690
Tensile Strength: Yield (Proof), MPa 350
270

Thermal Properties

Latent Heat of Fusion, J/g 290
350
Maximum Temperature: Mechanical, °C 940
1010
Melting Completion (Liquidus), °C 1430
1350
Melting Onset (Solidus), °C 1380
1300
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 17
42
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.6
6.9
Embodied Energy, MJ/kg 51
98
Embodied Water, L/kg 150
250

Common Calculations

PREN (Pitting Resistance) 26
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
200
Resilience: Unit (Modulus of Resilience), kJ/m3 300
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
24
Strength to Weight: Bending, points 23
22
Thermal Shock Resistance, points 16
18

Alloy Composition

Carbon (C), % 0 to 0.080
0.050 to 0.12
Cerium (Ce), % 0
0.030 to 0.090
Chromium (Cr), % 17.5 to 19.5
26 to 29
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 63 to 74.3
21 to 25
Manganese (Mn), % 3.5 to 6.5
0 to 1.0
Molybdenum (Mo), % 0.5 to 2.0
0
Nickel (Ni), % 4.0 to 6.5
45 to 50.4
Niobium (Nb), % 0.1 to 1.0
0
Nitrogen (N), % 0.080 to 0.3
0
Phosphorus (P), % 0 to 0.060
0 to 0.020
Silicon (Si), % 0 to 1.0
2.5 to 3.0
Sulfur (S), % 0 to 0.030
0 to 0.010