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SAE-AISI 8620 Steel vs. EN 1.4713 Stainless Steel

Both SAE-AISI 8620 steel and EN 1.4713 stainless steel are iron alloys. They have a moderately high 92% 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 SAE-AISI 8620 steel and the bottom bar is EN 1.4713 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 210
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13 to 31
20
Fatigue Strength, MPa 270 to 360
160
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 340 to 420
320
Tensile Strength: Ultimate (UTS), MPa 520 to 690
520
Tensile Strength: Yield (Proof), MPa 360 to 570
250

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 410
800
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
23
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
4.6
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
1.7
Embodied Energy, MJ/kg 20
24
Embodied Water, L/kg 50
84

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 150
84
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 880
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 24
19
Strength to Weight: Bending, points 18 to 22
19
Thermal Diffusivity, mm2/s 10
6.2
Thermal Shock Resistance, points 15 to 20
18

Alloy Composition

Aluminum (Al), % 0
0.5 to 1.0
Carbon (C), % 0.18 to 0.23
0 to 0.12
Chromium (Cr), % 0.4 to 0.6
6.0 to 8.0
Iron (Fe), % 96.9 to 98
88.8 to 93
Manganese (Mn), % 0.7 to 0.9
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.4 to 0.7
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0.5 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015