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EN 1.4523 Stainless Steel vs. SAE-AISI 8115 Steel

Both EN 1.4523 stainless steel and SAE-AISI 8115 steel are iron alloys. They have 79% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4523 stainless steel and the bottom bar is SAE-AISI 8115 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
15
Fatigue Strength, MPa 190
320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 320
370
Tensile Strength: Ultimate (UTS), MPa 520
610
Tensile Strength: Yield (Proof), MPa 320
500

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 920
410
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 22
43
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.3
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.5
Embodied Energy, MJ/kg 40
19
Embodied Water, L/kg 130
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 77
86
Resilience: Unit (Modulus of Resilience), kJ/m3 260
660
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
21
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 5.8
12
Thermal Shock Resistance, points 18
19

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0 to 0.030
0.13 to 0.18
Chromium (Cr), % 17.5 to 19
0.3 to 0.5
Iron (Fe), % 75.7 to 80.2
97.4 to 98.4
Manganese (Mn), % 0 to 0.5
0.7 to 0.9
Molybdenum (Mo), % 2.0 to 2.5
0.080 to 0.15
Nickel (Ni), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0.15 to 0.35
0 to 0.040
Titanium (Ti), % 0.15 to 0.8
0