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EN 1.4020 Stainless Steel vs. SAE-AISI 1023 Steel

Both EN 1.4020 stainless steel and SAE-AISI 1023 steel are iron alloys. They have 68% of their average alloy composition in common. There are 27 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 1.4020 stainless steel and the bottom bar is SAE-AISI 1023 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
130 to 140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 13 to 34
17 to 29
Fatigue Strength, MPa 340 to 540
180 to 270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 510 to 680
280 to 300
Tensile Strength: Ultimate (UTS), MPa 770 to 1130
430 to 480
Tensile Strength: Yield (Proof), MPa 430 to 950
240 to 410

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 890
400
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.8
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.5
1.4
Embodied Energy, MJ/kg 37
18
Embodied Water, L/kg 150
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 220
77 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2290
150 to 450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 41
15 to 17
Strength to Weight: Bending, points 25 to 32
16 to 17
Thermal Shock Resistance, points 16 to 23
14 to 15

Alloy Composition

Carbon (C), % 0 to 0.15
0.2 to 0.25
Chromium (Cr), % 16.5 to 19
0
Iron (Fe), % 62.8 to 71.8
99.06 to 99.5
Manganese (Mn), % 11 to 14
0.3 to 0.6
Nickel (Ni), % 0.5 to 2.5
0
Nitrogen (N), % 0.2 to 0.45
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050