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EN 1.4362 Stainless Steel vs. R30008 Cobalt

EN 1.4362 stainless steel belongs to the iron alloys classification, while R30008 cobalt belongs to the cobalt alloys. They have 40% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.4362 stainless steel and the bottom bar is R30008 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 25
1.1 to 73
Fatigue Strength, MPa 320
320 to 530
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
83
Tensile Strength: Ultimate (UTS), MPa 730
950 to 1700
Tensile Strength: Yield (Proof), MPa 460
500 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1380
1330
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 14
95
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 2.9
8.1
Embodied Energy, MJ/kg 41
110
Embodied Water, L/kg 160
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 530
590 to 2720
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
31 to 56
Strength to Weight: Bending, points 23
25 to 37
Thermal Shock Resistance, points 20
25 to 44

Alloy Composition

Boron (B), % 0
0 to 0.0010
Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 22 to 24.5
18.5 to 21.5
Cobalt (Co), % 0
39 to 42
Copper (Cu), % 0.1 to 0.6
0
Iron (Fe), % 65.5 to 74.3
7.6 to 20
Manganese (Mn), % 0 to 2.0
1.0 to 2.0
Molybdenum (Mo), % 0.1 to 0.6
6.5 to 7.5
Nickel (Ni), % 3.5 to 5.5
15 to 18
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 1.2
Sulfur (S), % 0 to 0.015
0 to 0.015