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EN 1.8507 Steel vs. SAE-AISI 8620 Steel

Both EN 1.8507 steel and SAE-AISI 8620 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 EN 1.8507 steel and the bottom bar is SAE-AISI 8620 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
150 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
13 to 31
Fatigue Strength, MPa 440
270 to 360
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 550
340 to 420
Tensile Strength: Ultimate (UTS), MPa 900
520 to 690
Tensile Strength: Yield (Proof), MPa 670
360 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
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 41
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
2.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.5
Embodied Energy, MJ/kg 21
20
Embodied Water, L/kg 63
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
86 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 1210
340 to 880
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 32
18 to 24
Strength to Weight: Bending, points 27
18 to 22
Thermal Diffusivity, mm2/s 11
10
Thermal Shock Resistance, points 26
15 to 20

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.3 to 0.37
0.18 to 0.23
Chromium (Cr), % 1.0 to 1.3
0.4 to 0.6
Iron (Fe), % 96.1 to 97.7
96.9 to 98
Manganese (Mn), % 0.4 to 0.7
0.7 to 0.9
Molybdenum (Mo), % 0.15 to 0.25
0.15 to 0.25
Nickel (Ni), % 0
0.4 to 0.7
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0.15 to 0.35
Sulfur (S), % 0 to 0.035
0 to 0.040