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EN 1.1133 Steel vs. SAE-AISI 8620 Steel

Both EN 1.1133 steel and SAE-AISI 8620 steel are iron alloys. Their average alloy composition is basically identical. 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 1.1133 steel and the bottom bar is SAE-AISI 8620 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 180
150 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19 to 24
13 to 31
Fatigue Strength, MPa 230 to 310
270 to 360
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 370 to 380
340 to 420
Tensile Strength: Ultimate (UTS), MPa 580 to 620
520 to 690
Tensile Strength: Yield (Proof), MPa 320 to 460
360 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
410
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 49
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
86 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 270 to 550
340 to 880
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 22
18 to 24
Strength to Weight: Bending, points 20 to 21
18 to 22
Thermal Diffusivity, mm2/s 13
10
Thermal Shock Resistance, points 18 to 19
15 to 20

Alloy Composition

Carbon (C), % 0.17 to 0.23
0.18 to 0.23
Chromium (Cr), % 0 to 0.4
0.4 to 0.6
Iron (Fe), % 96.9 to 98.8
96.9 to 98
Manganese (Mn), % 1.0 to 1.5
0.7 to 0.9
Molybdenum (Mo), % 0 to 0.1
0.15 to 0.25
Nickel (Ni), % 0 to 0.4
0.4 to 0.7
Phosphorus (P), % 0 to 0.035
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