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EN 1.4980 Stainless Steel vs. R30003 Cobalt

EN 1.4980 stainless steel belongs to the iron alloys classification, while R30003 cobalt belongs to the cobalt alloys. They have 48% of their average alloy composition in common. 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 1.4980 stainless steel and the bottom bar is R30003 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 17
10 to 73
Fatigue Strength, MPa 410
320 to 560
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
83
Tensile Strength: Ultimate (UTS), MPa 1030
970 to 1720
Tensile Strength: Yield (Proof), MPa 680
510 to 1090

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Melting Completion (Liquidus), °C 1430
1400
Melting Onset (Solidus), °C 1380
1440
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 13
13
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 26
95
Density, g/cm3 7.9
8.4
Embodied Carbon, kg CO2/kg material 6.0
8.0
Embodied Energy, MJ/kg 87
110
Embodied Water, L/kg 170
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 1180
600 to 2790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 36
32 to 57
Strength to Weight: Bending, points 28
26 to 38
Thermal Diffusivity, mm2/s 3.5
3.3
Thermal Shock Resistance, points 22
26 to 45

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Boron (B), % 0.0030 to 0.010
0 to 0.1
Carbon (C), % 0.030 to 0.080
0 to 0.15
Chromium (Cr), % 13.5 to 16
19 to 21
Cobalt (Co), % 0
39 to 41
Iron (Fe), % 49.2 to 58.5
10 to 20.5
Manganese (Mn), % 1.0 to 2.0
1.5 to 2.5
Molybdenum (Mo), % 1.0 to 1.5
6.0 to 8.0
Nickel (Ni), % 24 to 27
14 to 16
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 1.2
Sulfur (S), % 0 to 0.015
0 to 0.015
Titanium (Ti), % 1.9 to 2.3
0
Vanadium (V), % 0.1 to 0.5
0