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EN 1.8151 Steel vs. AISI 303Se Stainless Steel

Both EN 1.8151 steel and AISI 303Se stainless steel are iron alloys. They have 73% 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 AISI 303Se stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 540
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 670 to 1940
590

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Mechanical, °C 410
930
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 50
16
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
16
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.8
3.0
Embodied Energy, MJ/kg 25
42
Embodied Water, L/kg 49
140

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 70
21
Strength to Weight: Bending, points 22 to 45
20
Thermal Diffusivity, mm2/s 14
4.3
Thermal Shock Resistance, points 20 to 58
13

Alloy Composition

Carbon (C), % 0.4 to 0.5
0 to 0.15
Chromium (Cr), % 0.4 to 0.8
17 to 19
Iron (Fe), % 95.9 to 97.2
67.2 to 74.9
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Nickel (Ni), % 0
8.0 to 10
Phosphorus (P), % 0 to 0.025
0 to 0.2
Selenium (Se), % 0
0.15 to 0.35
Silicon (Si), % 1.3 to 1.7
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.060
Vanadium (V), % 0.1 to 0.2
0