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SAE-AISI 8620 Steel vs. EN 1.0451 Steel

Both SAE-AISI 8620 steel and EN 1.0451 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, 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 1.0451 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 210
120
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13 to 31
27
Fatigue Strength, MPa 270 to 360
180
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 340 to 420
270
Tensile Strength: Ultimate (UTS), MPa 520 to 690
420
Tensile Strength: Yield (Proof), MPa 360 to 570
240

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
49
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
2.1
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 20
19
Embodied Water, L/kg 50
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 150
98
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 880
150
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 24
15
Strength to Weight: Bending, points 18 to 22
16
Thermal Diffusivity, mm2/s 10
13
Thermal Shock Resistance, points 15 to 20
13

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0.18 to 0.23
0 to 0.15
Chromium (Cr), % 0.4 to 0.6
0 to 0.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 96.9 to 98
97.2 to 99.58
Manganese (Mn), % 0.7 to 0.9
0.4 to 1.2
Molybdenum (Mo), % 0.15 to 0.25
0 to 0.080
Nickel (Ni), % 0.4 to 0.7
0 to 0.3
Niobium (Nb), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.010
Titanium (Ti), % 0
0 to 0.040
Vanadium (V), % 0
0 to 0.020