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EN 1.8516 Steel vs. S31254 Stainless Steel

Both EN 1.8516 steel and S31254 stainless steel are iron alloys. They have 58% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.8516 steel and the bottom bar is S31254 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 330
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11
40
Fatigue Strength, MPa 570
290
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
80
Shear Strength, MPa 660
490
Tensile Strength: Ultimate (UTS), MPa 1100
720
Tensile Strength: Yield (Proof), MPa 910
330

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 470
1090
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 39
14
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
28
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.7
5.5
Embodied Energy, MJ/kg 22
74
Embodied Water, L/kg 61
190

Common Calculations

PREN (Pitting Resistance) 5.2
44
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
240
Resilience: Unit (Modulus of Resilience), kJ/m3 2190
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 39
25
Strength to Weight: Bending, points 30
22
Thermal Diffusivity, mm2/s 10
3.8
Thermal Shock Resistance, points 32
15

Alloy Composition

Carbon (C), % 0.2 to 0.27
0 to 0.020
Chromium (Cr), % 3.0 to 3.5
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 94.6 to 96.1
51.4 to 56.3
Manganese (Mn), % 0.4 to 0.7
0 to 1.0
Molybdenum (Mo), % 0.5 to 0.7
6.0 to 6.5
Nickel (Ni), % 0
17.5 to 18.5
Nitrogen (N), % 0
0.18 to 0.22
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.8
Sulfur (S), % 0 to 0.035
0 to 0.010