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EN 1.8871 Steel vs. S34565 Stainless Steel

Both EN 1.8871 steel and S34565 stainless steel are iron alloys. They have 50% of their average alloy composition in common. There are 31 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 1.8871 steel and the bottom bar is S34565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 22
39
Fatigue Strength, MPa 320
400
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Shear Strength, MPa 380
610
Tensile Strength: Ultimate (UTS), MPa 610
900
Tensile Strength: Yield (Proof), MPa 460
470

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
28
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.7
5.3
Embodied Energy, MJ/kg 22
73
Embodied Water, L/kg 50
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
300
Resilience: Unit (Modulus of Resilience), kJ/m3 550
540
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
32
Strength to Weight: Bending, points 20
26
Thermal Diffusivity, mm2/s 10
3.2
Thermal Shock Resistance, points 18
22

Alloy Composition

Boron (B), % 0 to 0.0050
0
Carbon (C), % 0 to 0.18
0 to 0.030
Chromium (Cr), % 0 to 0.5
23 to 25
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 95.1 to 100
43.2 to 51.6
Manganese (Mn), % 0 to 1.7
5.0 to 7.0
Molybdenum (Mo), % 0 to 0.5
4.0 to 5.0
Nickel (Ni), % 0 to 1.0
16 to 18
Niobium (Nb), % 0 to 0.050
0 to 0.1
Nitrogen (N), % 0 to 0.015
0.4 to 0.6
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.080
0
Zirconium (Zr), % 0 to 0.050
0