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SAE-AISI 1021 Steel vs. EN 1.4410 Stainless Steel

Both SAE-AISI 1021 steel and EN 1.4410 stainless steel are iron alloys. They have 63% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 1.4410 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 150
260
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 17 to 27
24
Fatigue Strength, MPa 190 to 300
410
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
81
Shear Strength, MPa 310 to 320
540
Tensile Strength: Ultimate (UTS), MPa 480 to 530
850
Tensile Strength: Yield (Proof), MPa 260 to 450
600

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
15
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
20
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
4.0
Embodied Energy, MJ/kg 18
56
Embodied Water, L/kg 46
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84 to 110
180
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 530
880
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 19
30
Strength to Weight: Bending, points 17 to 18
26
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 15 to 17
23

Alloy Composition

Carbon (C), % 0.18 to 0.23
0 to 0.030
Chromium (Cr), % 0
24 to 26
Iron (Fe), % 98.8 to 99.22
58.1 to 66.8
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0
3.0 to 4.5
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.35
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.015