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EN 1.0314 Steel vs. SAE-AISI 1018 Steel

Both EN 1.0314 steel and SAE-AISI 1018 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.0314 steel and the bottom bar is SAE-AISI 1018 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 92 to 120
130 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 24 to 25
17 to 27
Fatigue Strength, MPa 140 to 220
180 to 270
Poisson's Ratio 0.29
0.29
Reduction in Area, % 78 to 86
45 to 57
Shear Modulus, GPa 73
73
Shear Strength, MPa 200 to 250
280 to 300
Tensile Strength: Ultimate (UTS), MPa 320 to 400
430 to 480
Tensile Strength: Yield (Proof), MPa 190 to 310
240 to 400

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 53
52
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
8.0

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
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 87
75 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 95 to 250
150 to 430
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 11 to 14
15 to 17
Strength to Weight: Bending, points 13 to 15
16 to 17
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 10 to 13
14 to 15

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0 to 0.030
0.15 to 0.2
Iron (Fe), % 99.365 to 99.78
98.8 to 99.25
Manganese (Mn), % 0.2 to 0.4
0.6 to 0.9
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0 to 0.025
0 to 0.050

Comparable Variants