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EN 1.0308 Steel vs. SAE-AISI 1055 Steel

Both EN 1.0308 steel and SAE-AISI 1055 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 1055 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 100 to 130
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 7.8 to 28
11 to 14
Fatigue Strength, MPa 140 to 200
260 to 390
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Shear Strength, MPa 230 to 260
440 to 450
Tensile Strength: Ultimate (UTS), MPa 360 to 440
730 to 750
Tensile Strength: Yield (Proof), MPa 190 to 340
400 to 630

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
51
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
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
18
Embodied Water, L/kg 46
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 32 to 95
80 to 85
Resilience: Unit (Modulus of Resilience), kJ/m3 93 to 300
440 to 1070
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 13 to 16
26
Strength to Weight: Bending, points 14 to 16
23
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 11 to 14
23 to 24

Alloy Composition

Carbon (C), % 0 to 0.17
0.5 to 0.6
Iron (Fe), % 98.2 to 100
98.4 to 98.9
Manganese (Mn), % 0 to 1.2
0.6 to 0.9
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