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EN 1.4516 Stainless Steel vs. SAE-AISI 8620 Steel

Both EN 1.4516 stainless steel and SAE-AISI 8620 steel are iron alloys. They have 88% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4516 stainless steel and the bottom bar is SAE-AISI 8620 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
13 to 31
Fatigue Strength, MPa 210
270 to 360
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 350
340 to 420
Tensile Strength: Ultimate (UTS), MPa 550
520 to 690
Tensile Strength: Yield (Proof), MPa 320
360 to 570

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 720
410
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
39
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.5
Embodied Energy, MJ/kg 28
20
Embodied Water, L/kg 97
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
86 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 260
340 to 880
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
18 to 24
Strength to Weight: Bending, points 19
18 to 22
Thermal Diffusivity, mm2/s 8.1
10
Thermal Shock Resistance, points 20
15 to 20

Alloy Composition

Carbon (C), % 0 to 0.080
0.18 to 0.23
Chromium (Cr), % 10.5 to 12.5
0.4 to 0.6
Iron (Fe), % 83.3 to 89
96.9 to 98
Manganese (Mn), % 0 to 1.5
0.7 to 0.9
Molybdenum (Mo), % 0
0.15 to 0.25
Nickel (Ni), % 0.5 to 1.5
0.4 to 0.7
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.7
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040
Titanium (Ti), % 0.050 to 0.35
0