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60Cr-40Ni Alloy vs. S81921 Stainless Steel

60Cr-40Ni alloy belongs to the otherwise unclassified metals classification, while S81921 stainless steel belongs to the iron alloys. They have a modest 25% 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 60Cr-40Ni alloy and the bottom bar is S81921 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
200
Poisson's Ratio 0.25
0.28
Shear Modulus, GPa 87
79
Tensile Strength: Ultimate (UTS), MPa 870
710
Tensile Strength: Yield (Proof), MPa 660
500

Thermal Properties

Latent Heat of Fusion, J/g 370
290
Specific Heat Capacity, J/kg-K 490
480
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 49
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 7.4
2.9
Embodied Energy, MJ/kg 110
41
Embodied Water, L/kg 380
150

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 1000
630
Stiffness to Weight: Axial, points 16
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 31
25
Strength to Weight: Bending, points 26
23
Thermal Shock Resistance, points 18
20

Alloy Composition

Aluminum (Al), % 0 to 0.25
0
Carbon (C), % 0 to 0.1
0 to 0.030
Chromium (Cr), % 58 to 62
19 to 22
Iron (Fe), % 0 to 1.0
66.7 to 75.9
Manganese (Mn), % 0 to 0.3
2.0 to 4.0
Molybdenum (Mo), % 0
1.0 to 2.0
Nickel (Ni), % 34.5 to 42
2.0 to 4.0
Nitrogen (N), % 0 to 0.3
0.14 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0 to 0.5
0