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EN 1.7034 Steel vs. SAE-AISI 1020 Steel

Both EN 1.7034 steel and SAE-AISI 1020 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.7034 steel and the bottom bar is SAE-AISI 1020 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 250
120 to 130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 510 to 1780
430 to 460

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
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 45
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 50
45

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18 to 63
15 to 16
Strength to Weight: Bending, points 18 to 42
16 to 17
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 15 to 52
13 to 14

Alloy Composition

Carbon (C), % 0.34 to 0.41
0.18 to 0.23
Chromium (Cr), % 0.9 to 1.2
0
Iron (Fe), % 97 to 98.2
99.08 to 99.52
Manganese (Mn), % 0.6 to 0.9
0.3 to 0.6
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.035
0 to 0.050