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S44800 Stainless Steel vs. EN 1.8151 Steel

Both S44800 stainless steel and EN 1.8151 steel are iron alloys. They have 65% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S44800 stainless steel and the bottom bar is EN 1.8151 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
200 to 540
Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 82
72
Tensile Strength: Ultimate (UTS), MPa 590
670 to 1940

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
50
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.2
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.8
1.8
Embodied Energy, MJ/kg 52
25
Embodied Water, L/kg 190
49

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
24 to 70
Strength to Weight: Bending, points 20
22 to 45
Thermal Diffusivity, mm2/s 4.6
14
Thermal Shock Resistance, points 19
20 to 58

Alloy Composition

Carbon (C), % 0 to 0.010
0.4 to 0.5
Chromium (Cr), % 28 to 30
0.4 to 0.8
Copper (Cu), % 0 to 0.15
0
Iron (Fe), % 62.6 to 66.5
95.9 to 97.2
Manganese (Mn), % 0 to 0.3
0.6 to 0.9
Molybdenum (Mo), % 3.5 to 4.2
0
Nickel (Ni), % 2.0 to 2.5
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.2
1.3 to 1.7
Sulfur (S), % 0 to 0.020
0 to 0.025
Vanadium (V), % 0
0.1 to 0.2