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EN 1.4021 Stainless Steel vs. SAE-AISI 5160 Steel

Both EN 1.4021 stainless steel and SAE-AISI 5160 steel are iron alloys. They have 88% of their average alloy composition in common. There are 30 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 EN 1.4021 stainless steel and the bottom bar is SAE-AISI 5160 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
12 to 18
Fatigue Strength, MPa 240 to 380
180 to 650
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 390 to 530
390 to 700
Tensile Strength: Ultimate (UTS), MPa 630 to 880
660 to 1150
Tensile Strength: Yield (Proof), MPa 390 to 670
280 to 1010

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 760
420
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
43
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.4
Embodied Energy, MJ/kg 27
19
Embodied Water, L/kg 100
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 110
73 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1160
200 to 2700
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23 to 31
23 to 41
Strength to Weight: Bending, points 21 to 26
22 to 31
Thermal Diffusivity, mm2/s 8.1
12
Thermal Shock Resistance, points 22 to 31
19 to 34

Alloy Composition

Carbon (C), % 0.16 to 0.25
0.56 to 0.61
Chromium (Cr), % 12 to 14
0.7 to 0.9
Iron (Fe), % 83.2 to 87.8
97.1 to 97.8
Manganese (Mn), % 0 to 1.5
0.75 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040

Comparable Variants