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S21603 Stainless Steel vs. N10629 Nickel

S21603 stainless steel belongs to the iron alloys classification, while N10629 nickel belongs to the nickel alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is N10629 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Elongation at Break, % 45
45
Fatigue Strength, MPa 360
340
Poisson's Ratio 0.28
0.31
Rockwell B Hardness 88
88
Shear Modulus, GPa 79
83
Shear Strength, MPa 490
600
Tensile Strength: Ultimate (UTS), MPa 690
860
Tensile Strength: Yield (Proof), MPa 390
400

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Mechanical, °C 990
910
Melting Completion (Liquidus), °C 1420
1610
Melting Onset (Solidus), °C 1380
1560
Specific Heat Capacity, J/kg-K 480
390
Thermal Expansion, µm/m-K 17
10

Otherwise Unclassified Properties

Base Metal Price, % relative 17
75
Density, g/cm3 7.7
9.2
Embodied Carbon, kg CO2/kg material 3.6
15
Embodied Energy, MJ/kg 50
190
Embodied Water, L/kg 160
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
320
Resilience: Unit (Modulus of Resilience), kJ/m3 380
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 25
26
Strength to Weight: Bending, points 22
22
Thermal Shock Resistance, points 15
27

Alloy Composition

Aluminum (Al), % 0
0.1 to 0.5
Carbon (C), % 0 to 0.030
0 to 0.010
Chromium (Cr), % 17.5 to 22
0.5 to 1.5
Cobalt (Co), % 0
0 to 2.5
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 57.6 to 67.8
1.0 to 6.0
Manganese (Mn), % 7.5 to 9.0
0 to 1.5
Molybdenum (Mo), % 2.0 to 3.0
26 to 30
Nickel (Ni), % 5.0 to 7.0
65 to 72.4
Nitrogen (N), % 0.25 to 0.5
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 0.050
Sulfur (S), % 0 to 0.030
0 to 0.010