MakeItFrom.com
Menu (ESC)

EN 1.4877 Stainless Steel vs. R30155 Cobalt

Both EN 1.4877 stainless steel and R30155 cobalt are iron alloys. They have 73% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4877 stainless steel and the bottom bar is R30155 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 36
34
Fatigue Strength, MPa 170
310
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
81
Shear Strength, MPa 420
570
Tensile Strength: Ultimate (UTS), MPa 630
850
Tensile Strength: Yield (Proof), MPa 200
390

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 560
570
Maximum Temperature: Mechanical, °C 1150
1100
Melting Completion (Liquidus), °C 1400
1470
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 12
12
Thermal Expansion, µm/m-K 15
14

Otherwise Unclassified Properties

Base Metal Price, % relative 37
80
Density, g/cm3 8.0
8.5
Embodied Carbon, kg CO2/kg material 6.2
9.7
Embodied Energy, MJ/kg 89
150
Embodied Water, L/kg 220
300

Common Calculations

PREN (Pitting Resistance) 28
37
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
230
Resilience: Unit (Modulus of Resilience), kJ/m3 100
370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 22
28
Strength to Weight: Bending, points 20
24
Thermal Diffusivity, mm2/s 3.2
3.2
Thermal Shock Resistance, points 15
21

Alloy Composition

Aluminum (Al), % 0 to 0.025
0
Carbon (C), % 0.040 to 0.080
0.080 to 0.16
Cerium (Ce), % 0.050 to 0.1
0
Chromium (Cr), % 26 to 28
20 to 22.5
Cobalt (Co), % 0
18.5 to 21
Iron (Fe), % 36.4 to 42.3
24.3 to 36.2
Manganese (Mn), % 0 to 1.0
1.0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 31 to 33
19 to 21
Niobium (Nb), % 0.6 to 1.0
0.75 to 1.3
Nitrogen (N), % 0 to 0.1
0 to 0.2
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Tantalum (Ta), % 0
0.75 to 1.3
Tungsten (W), % 0
2.0 to 3.0