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EN 1.8151 Steel vs. S32803 Stainless Steel

Both EN 1.8151 steel and S32803 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.8151 steel and the bottom bar is S32803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 540
210
Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
81
Tensile Strength: Ultimate (UTS), MPa 670 to 1940
680

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 50
16
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
19
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.8
3.7
Embodied Energy, MJ/kg 25
53
Embodied Water, L/kg 49
180

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 70
25
Strength to Weight: Bending, points 22 to 45
22
Thermal Diffusivity, mm2/s 14
4.4
Thermal Shock Resistance, points 20 to 58
22

Alloy Composition

Carbon (C), % 0.4 to 0.5
0 to 0.015
Chromium (Cr), % 0.4 to 0.8
28 to 29
Iron (Fe), % 95.9 to 97.2
62.9 to 67.1
Manganese (Mn), % 0.6 to 0.9
0 to 0.5
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 0
3.0 to 4.0
Niobium (Nb), % 0
0.15 to 0.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 1.3 to 1.7
0 to 0.55
Sulfur (S), % 0 to 0.025
0 to 0.0035
Vanadium (V), % 0.1 to 0.2
0