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EN 1.4410 Stainless Steel vs. SAE-AISI 8620 Steel

Both EN 1.4410 stainless steel and SAE-AISI 8620 steel are iron alloys. They have 65% of their average alloy composition in common. There are 31 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 1.4410 stainless steel and the bottom bar is SAE-AISI 8620 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
150 to 210
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 24
13 to 31
Fatigue Strength, MPa 410
270 to 360
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 540
340 to 420
Tensile Strength: Ultimate (UTS), MPa 850
520 to 690
Tensile Strength: Yield (Proof), MPa 600
360 to 570

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
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 15
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.0
1.5
Embodied Energy, MJ/kg 56
20
Embodied Water, L/kg 180
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
86 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 880
340 to 880
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
18 to 24
Strength to Weight: Bending, points 26
18 to 22
Thermal Diffusivity, mm2/s 4.0
10
Thermal Shock Resistance, points 23
15 to 20

Alloy Composition

Carbon (C), % 0 to 0.030
0.18 to 0.23
Chromium (Cr), % 24 to 26
0.4 to 0.6
Iron (Fe), % 58.1 to 66.8
96.9 to 98
Manganese (Mn), % 0 to 2.0
0.7 to 0.9
Molybdenum (Mo), % 3.0 to 4.5
0.15 to 0.25
Nickel (Ni), % 6.0 to 8.0
0.4 to 0.7
Nitrogen (N), % 0.24 to 0.35
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040