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EN 1.4122 Stainless Steel vs. SAE-AISI 1026 Steel

Both EN 1.4122 stainless steel and SAE-AISI 1026 steel are iron alloys. They have 81% of their average alloy composition in common. There are 30 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 EN 1.4122 stainless steel and the bottom bar is SAE-AISI 1026 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14
17 to 27
Fatigue Strength, MPa 260 to 360
200 to 310
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 480 to 520
320 to 340
Tensile Strength: Ultimate (UTS), MPa 790 to 850
500 to 550
Tensile Strength: Yield (Proof), MPa 450 to 630
270 to 470

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 870
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 10
12

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.4
1.4
Embodied Energy, MJ/kg 33
18
Embodied Water, L/kg 120
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93 to 110
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 520 to 1000
200 to 580
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 31
18 to 20
Strength to Weight: Bending, points 25 to 26
18 to 19
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 28 to 30
16 to 18

Alloy Composition

Carbon (C), % 0.33 to 0.45
0.22 to 0.28
Chromium (Cr), % 15.5 to 17.5
0
Iron (Fe), % 77.2 to 83.4
98.7 to 99.18
Manganese (Mn), % 0 to 1.5
0.6 to 0.9
Molybdenum (Mo), % 0.8 to 1.3
0
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050