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EN 1.4107 Stainless Steel vs. SAE-AISI 8115 Steel

Both EN 1.4107 stainless steel and SAE-AISI 8115 steel are iron alloys. They have 87% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4107 stainless steel and the bottom bar is SAE-AISI 8115 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18 to 21
15
Fatigue Strength, MPa 260 to 350
320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 620 to 700
610
Tensile Strength: Yield (Proof), MPa 400 to 570
500

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
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 27
43
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.1
1.5
Embodied Energy, MJ/kg 30
19
Embodied Water, L/kg 100
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
86
Resilience: Unit (Modulus of Resilience), kJ/m3 420 to 840
660
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22 to 25
21
Strength to Weight: Bending, points 21 to 22
20
Thermal Diffusivity, mm2/s 7.2
12
Thermal Shock Resistance, points 22 to 25
19

Alloy Composition

Carbon (C), % 0 to 0.1
0.13 to 0.18
Chromium (Cr), % 11.5 to 12.5
0.3 to 0.5
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 83.8 to 87.2
97.4 to 98.4
Manganese (Mn), % 0.5 to 0.8
0.7 to 0.9
Molybdenum (Mo), % 0 to 0.5
0.080 to 0.15
Nickel (Ni), % 0.8 to 1.5
0.2 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.4
0.15 to 0.35
Sulfur (S), % 0 to 0.020
0 to 0.040
Vanadium (V), % 0 to 0.080
0