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S44660 Stainless Steel vs. EN 1.8870 Steel

Both S44660 stainless steel and EN 1.8870 steel are iron alloys. They have 68% of their average alloy composition in common. There are 31 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 S44660 stainless steel and the bottom bar is EN 1.8870 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
180
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 20
21
Fatigue Strength, MPa 330
310
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 410
380
Tensile Strength: Ultimate (UTS), MPa 660
610
Tensile Strength: Yield (Proof), MPa 510
450

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 21
2.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 4.3
1.7
Embodied Energy, MJ/kg 61
22
Embodied Water, L/kg 180
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
120
Resilience: Unit (Modulus of Resilience), kJ/m3 640
530
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
22
Strength to Weight: Bending, points 22
20
Thermal Diffusivity, mm2/s 4.5
10
Thermal Shock Resistance, points 21
18

Alloy Composition

Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.030
0 to 0.18
Chromium (Cr), % 25 to 28
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 60.4 to 71
95.1 to 100
Manganese (Mn), % 0 to 1.0
0 to 1.7
Molybdenum (Mo), % 3.0 to 4.0
0 to 0.5
Nickel (Ni), % 1.0 to 3.5
0 to 1.0
Niobium (Nb), % 0.2 to 1.0
0 to 0.050
Nitrogen (N), % 0 to 0.040
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0.2 to 1.0
0 to 0.030
Vanadium (V), % 0
0 to 0.080
Zirconium (Zr), % 0
0 to 0.050