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S40977 Stainless Steel vs. Nickel 693

S40977 stainless steel belongs to the iron alloys classification, while nickel 693 belongs to the nickel alloys. There are 28 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 S40977 stainless steel and the bottom bar is nickel 693.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
34
Fatigue Strength, MPa 200
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 320
440
Tensile Strength: Ultimate (UTS), MPa 510
660
Tensile Strength: Yield (Proof), MPa 310
310

Thermal Properties

Latent Heat of Fusion, J/g 270
330
Maximum Temperature: Mechanical, °C 720
1010
Melting Completion (Liquidus), °C 1440
1350
Melting Onset (Solidus), °C 1400
1310
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
9.1
Thermal Expansion, µm/m-K 10
13

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
60
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.9
9.9
Embodied Energy, MJ/kg 27
140
Embodied Water, L/kg 97
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
190
Resilience: Unit (Modulus of Resilience), kJ/m3 250
250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
23
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 6.7
2.3
Thermal Shock Resistance, points 18
19

Alloy Composition

Aluminum (Al), % 0
2.5 to 4.0
Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 10.5 to 12.5
27 to 31
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 83.9 to 89.2
2.5 to 6.0
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 0.3 to 1.0
53.3 to 67.5
Niobium (Nb), % 0
0.5 to 2.5
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0 to 1.0