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EN 1.5113 Steel vs. S82121 Stainless Steel

Both EN 1.5113 steel and S82121 stainless steel 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 1.5113 steel and the bottom bar is S82121 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 270
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 18
28
Fatigue Strength, MPa 220 to 470
370
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
78
Shear Strength, MPa 360 to 540
470
Tensile Strength: Ultimate (UTS), MPa 580 to 900
730
Tensile Strength: Yield (Proof), MPa 320 to 770
510

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 400
1020
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 52
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
14
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 19
40
Embodied Water, L/kg 48
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 96
180
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 1570
660
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21 to 32
26
Strength to Weight: Bending, points 20 to 27
23
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 17 to 26
20

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.035
Chromium (Cr), % 0
21 to 23
Copper (Cu), % 0
0.2 to 1.2
Iron (Fe), % 97 to 97.5
66.7 to 75.4
Manganese (Mn), % 1.6 to 1.8
1.0 to 2.5
Molybdenum (Mo), % 0
0.3 to 1.3
Nickel (Ni), % 0
2.0 to 4.0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.9 to 1.1
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.010