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S21900 Stainless Steel vs. Nickel 601

S21900 stainless steel belongs to the iron alloys classification, while nickel 601 belongs to the nickel alloys. They have 41% of their average alloy composition in common. There are 30 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 S21900 stainless steel and the bottom bar is nickel 601.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 50
10 to 38
Fatigue Strength, MPa 380
220 to 380
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 510
440 to 530
Tensile Strength: Ultimate (UTS), MPa 710
660 to 890
Tensile Strength: Yield (Proof), MPa 390
290 to 800

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1400
1410
Melting Onset (Solidus), °C 1350
1360
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
11
Thermal Expansion, µm/m-K 17
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
1.6

Otherwise Unclassified Properties

Base Metal Price, % relative 15
49
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 3.0
8.0
Embodied Energy, MJ/kg 43
110
Embodied Water, L/kg 160
280

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
86 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 380
210 to 1630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 26
22 to 30
Strength to Weight: Bending, points 23
20 to 25
Thermal Diffusivity, mm2/s 3.8
2.8
Thermal Shock Resistance, points 15
17 to 23

Alloy Composition

Aluminum (Al), % 0
1.0 to 1.7
Carbon (C), % 0 to 0.080
0 to 0.1
Chromium (Cr), % 19 to 21.5
21 to 25
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 59.4 to 67.4
7.7 to 20
Manganese (Mn), % 8.0 to 10
0 to 1.0
Nickel (Ni), % 5.5 to 7.5
58 to 63
Nitrogen (N), % 0.15 to 0.4
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015