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S31655 Stainless Steel vs. 60Cr-40Ni Alloy

S31655 stainless steel belongs to the iron alloys classification, while 60Cr-40Ni alloy belongs to the otherwise unclassified metals. They have a modest 31% of their average alloy composition in common, which, by itself, doesn't mean much. There are 19 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is S31655 stainless steel and the bottom bar is 60Cr-40Ni alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
220
Poisson's Ratio 0.28
0.25
Shear Modulus, GPa 78
87
Tensile Strength: Ultimate (UTS), MPa 710
870
Tensile Strength: Yield (Proof), MPa 350
660

Thermal Properties

Latent Heat of Fusion, J/g 290
370
Specific Heat Capacity, J/kg-K 480
490
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 17
49
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.3
7.4
Embodied Energy, MJ/kg 46
110
Embodied Water, L/kg 160
380

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 310
1000
Stiffness to Weight: Axial, points 14
16
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 25
31
Strength to Weight: Bending, points 23
26
Thermal Shock Resistance, points 16
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.25
Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 19.5 to 21.5
58 to 62
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 63.2 to 71.9
0 to 1.0
Manganese (Mn), % 0 to 2.0
0 to 0.3
Molybdenum (Mo), % 0.5 to 1.5
0
Nickel (Ni), % 8.0 to 9.5
34.5 to 42
Nitrogen (N), % 0.14 to 0.25
0 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 0
0 to 0.5