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SAE-AISI 1021 Steel vs. EN 1.8505 Steel

Both SAE-AISI 1021 steel and EN 1.8505 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.8505 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 150
320
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 27
13
Fatigue Strength, MPa 190 to 300
540
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 310 to 320
630
Tensile Strength: Ultimate (UTS), MPa 480 to 530
1050
Tensile Strength: Yield (Proof), MPa 260 to 450
860

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
440
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.6
Embodied Energy, MJ/kg 18
22
Embodied Water, L/kg 46
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84 to 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 530
1950
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 19
37
Strength to Weight: Bending, points 17 to 18
30
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 15 to 17
31

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0.18 to 0.23
0.28 to 0.35
Chromium (Cr), % 0
1.5 to 1.8
Iron (Fe), % 98.8 to 99.22
95.4 to 97.1
Manganese (Mn), % 0.6 to 0.9
0.4 to 0.7
Molybdenum (Mo), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0 to 0.050
0 to 0.035