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SAE-AISI 1021 Steel vs. EN 1.0259 Steel

Both SAE-AISI 1021 steel and EN 1.0259 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 (2, 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 1.0259 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 150
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 27
23
Fatigue Strength, MPa 190 to 300
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 310 to 320
310
Tensile Strength: Ultimate (UTS), MPa 480 to 530
490
Tensile Strength: Yield (Proof), MPa 260 to 450
280

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 52
49
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
2.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.5
Embodied Energy, MJ/kg 18
19
Embodied Water, L/kg 46
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84 to 110
95
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 530
210
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17 to 19
17
Strength to Weight: Bending, points 17 to 18
18
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 15 to 17
15

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.2
Carbon (C), % 0.18 to 0.23
0 to 0.2
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 98.8 to 99.22
96.7 to 99.98
Manganese (Mn), % 0.6 to 0.9
0 to 1.4
Molybdenum (Mo), % 0
0 to 0.080
Nickel (Ni), % 0
0 to 0.3
Niobium (Nb), % 0
0 to 0.010
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 0.015
Titanium (Ti), % 0
0 to 0.040
Vanadium (V), % 0
0 to 0.020