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EN 1.8838 Steel vs. S82012 Stainless Steel

Both EN 1.8838 steel and S82012 stainless 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 EN 1.8838 steel and the bottom bar is S82012 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
40
Fatigue Strength, MPa 290
480
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 380
550
Tensile Strength: Ultimate (UTS), MPa 610
800
Tensile Strength: Yield (Proof), MPa 430
560

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 410
950
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 44
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.7
2.4
Embodied Energy, MJ/kg 23
35
Embodied Water, L/kg 50
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
290
Resilience: Unit (Modulus of Resilience), kJ/m3 500
790
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
29
Strength to Weight: Bending, points 20
25
Thermal Diffusivity, mm2/s 12
3.9
Thermal Shock Resistance, points 18
23

Alloy Composition

Aluminum (Al), % 0.015 to 0.054
0
Carbon (C), % 0 to 0.18
0 to 0.050
Chromium (Cr), % 0 to 0.35
19 to 20.5
Copper (Cu), % 0 to 0.6
0 to 1.0
Iron (Fe), % 95 to 99.985
71.3 to 77.9
Manganese (Mn), % 0 to 1.8
2.0 to 4.0
Molybdenum (Mo), % 0 to 0.23
0.1 to 0.6
Nickel (Ni), % 0 to 0.85
0.8 to 1.5
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.027
0.16 to 0.26
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.65
0 to 0.8
Sulfur (S), % 0 to 0.025
0 to 0.0050
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.14
0