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EN 1.4910 Stainless Steel vs. EN 1.8870 Steel

Both EN 1.4910 stainless steel and EN 1.8870 steel are iron alloys. They have 68% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4910 stainless steel and the bottom bar is EN 1.8870 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 41
21
Fatigue Strength, MPa 250
310
Impact Strength: V-Notched Charpy, J 98
67
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 450
380
Tensile Strength: Ultimate (UTS), MPa 650
610
Tensile Strength: Yield (Proof), MPa 290
450

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 950
410
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
39
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.9
1.7
Embodied Energy, MJ/kg 54
22
Embodied Water, L/kg 150
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
120
Resilience: Unit (Modulus of Resilience), kJ/m3 210
530
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
22
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 4.3
10
Thermal Shock Resistance, points 14
18

Alloy Composition

Boron (B), % 0.0015 to 0.0050
0 to 0.0050
Carbon (C), % 0 to 0.040
0 to 0.18
Chromium (Cr), % 16 to 18
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 62 to 69.9
95.1 to 100
Manganese (Mn), % 0 to 2.0
0 to 1.7
Molybdenum (Mo), % 2.0 to 3.0
0 to 0.5
Nickel (Ni), % 12 to 14
0 to 1.0
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0.1 to 0.18
0 to 0.015
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.080
Zirconium (Zr), % 0
0 to 0.050