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SAE-AISI 1021 Steel vs. EN 1.3518 Steel

Both SAE-AISI 1021 steel and EN 1.3518 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 SAE-AISI 1021 steel and the bottom bar is EN 1.3518 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 150
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 480 to 530
630

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
420
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
43
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 18
20
Embodied Water, L/kg 46
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 19
23
Strength to Weight: Bending, points 17 to 18
21
Thermal Diffusivity, mm2/s 14
12
Thermal Shock Resistance, points 15 to 17
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.18 to 0.23
0.93 to 1.1
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 98.8 to 99.22
96.3 to 97.8
Manganese (Mn), % 0.6 to 0.9
0.9 to 1.2
Molybdenum (Mo), % 0
0 to 0.1
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
0.45 to 0.75
Sulfur (S), % 0 to 0.050
0 to 0.030