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EN 1.4008 Stainless Steel vs. Nickel 693

EN 1.4008 stainless steel belongs to the iron alloys classification, while nickel 693 belongs to the nickel alloys. 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 EN 1.4008 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, % 17
34
Fatigue Strength, MPa 300
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 670
660
Tensile Strength: Yield (Proof), MPa 500
310

Thermal Properties

Latent Heat of Fusion, J/g 280
330
Maximum Temperature: Mechanical, °C 760
1010
Melting Completion (Liquidus), °C 1450
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 11
13

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
60
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.1
9.9
Embodied Energy, MJ/kg 30
140
Embodied Water, L/kg 100
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
190
Resilience: Unit (Modulus of Resilience), kJ/m3 630
250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
23
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 6.7
2.3
Thermal Shock Resistance, points 23
19

Alloy Composition

Aluminum (Al), % 0
2.5 to 4.0
Carbon (C), % 0 to 0.1
0 to 0.15
Chromium (Cr), % 12 to 13.5
27 to 31
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 81.8 to 86.8
2.5 to 6.0
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.2 to 0.5
0
Nickel (Ni), % 1.0 to 2.0
53.3 to 67.5
Niobium (Nb), % 0
0.5 to 2.5
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.010
Titanium (Ti), % 0
0 to 1.0