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EN 1.0308 Steel vs. SAE-AISI 1020 Steel

Both EN 1.0308 steel and SAE-AISI 1020 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 1.0308 steel and the bottom bar is SAE-AISI 1020 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 130
120 to 130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 7.8 to 28
17 to 28
Fatigue Strength, MPa 140 to 200
180 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 230 to 260
280
Tensile Strength: Ultimate (UTS), MPa 360 to 440
430 to 460
Tensile Strength: Yield (Proof), MPa 190 to 340
240 to 380

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
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 51
52
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
12

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
18
Embodied Water, L/kg 46
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32 to 95
72 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 93 to 300
150 to 380
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 13 to 16
15 to 16
Strength to Weight: Bending, points 14 to 16
16 to 17
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 11 to 14
13 to 14

Alloy Composition

Carbon (C), % 0 to 0.17
0.18 to 0.23
Iron (Fe), % 98.2 to 100
99.08 to 99.52
Manganese (Mn), % 0 to 1.2
0.3 to 0.6
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.35
0
Sulfur (S), % 0 to 0.045
0 to 0.050

Comparable Variants