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S82012 Stainless Steel vs. EN 1.8870 Steel

Both S82012 stainless steel and EN 1.8870 steel are iron alloys. They have 77% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S82012 stainless steel and the bottom bar is EN 1.8870 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
21
Fatigue Strength, MPa 480
310
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 550
380
Tensile Strength: Ultimate (UTS), MPa 800
610
Tensile Strength: Yield (Proof), MPa 560
450

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 950
410
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
39
Thermal Expansion, µm/m-K 13
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 11
2.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.4
1.7
Embodied Energy, MJ/kg 35
22
Embodied Water, L/kg 140
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
120
Resilience: Unit (Modulus of Resilience), kJ/m3 790
530
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
22
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 3.9
10
Thermal Shock Resistance, points 23
18

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.050
0 to 0.18
Chromium (Cr), % 19 to 20.5
0 to 0.5
Copper (Cu), % 0 to 1.0
0 to 0.3
Iron (Fe), % 71.3 to 77.9
95.1 to 100
Manganese (Mn), % 2.0 to 4.0
0 to 1.7
Molybdenum (Mo), % 0.1 to 0.6
0 to 0.5
Nickel (Ni), % 0.8 to 1.5
0 to 1.0
Niobium (Nb), % 0
0 to 0.050
Nitrogen (N), % 0.16 to 0.26
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.0050
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