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S17700 Stainless Steel vs. EN 2.4680 Cast Nickel

S17700 stainless steel belongs to the iron alloys classification, while EN 2.4680 cast nickel belongs to the nickel alloys. They have a modest 25% of their average alloy composition in common, which, by itself, doesn't mean much. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S17700 stainless steel and the bottom bar is EN 2.4680 cast nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 1.0 to 23
9.1
Fatigue Strength, MPa 290 to 560
120
Poisson's Ratio 0.28
0.26
Shear Modulus, GPa 76
84
Tensile Strength: Ultimate (UTS), MPa 1180 to 1650
600
Tensile Strength: Yield (Proof), MPa 430 to 1210
260

Thermal Properties

Latent Heat of Fusion, J/g 290
350
Maximum Temperature: Mechanical, °C 890
1050
Melting Completion (Liquidus), °C 1440
1360
Melting Onset (Solidus), °C 1400
1320
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 13
60
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.8
9.1
Embodied Energy, MJ/kg 40
130
Embodied Water, L/kg 150
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15 to 210
45
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 3750
160
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 42 to 59
21
Strength to Weight: Bending, points 32 to 40
20
Thermal Diffusivity, mm2/s 4.1
3.7
Thermal Shock Resistance, points 39 to 54
14

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0
Carbon (C), % 0 to 0.090
0 to 0.1
Chromium (Cr), % 16 to 18
48 to 52
Iron (Fe), % 70.5 to 76.8
0 to 1.0
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 6.5 to 7.8
42.9 to 51
Niobium (Nb), % 0
1.0 to 1.8
Nitrogen (N), % 0
0 to 0.16
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.020