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EN 1.4024 Stainless Steel vs. SAE-AISI 9260 Steel

Both EN 1.4024 stainless steel and SAE-AISI 9260 steel are iron alloys. They have 87% 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 1.4024 stainless steel and the bottom bar is SAE-AISI 9260 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 15 to 22
21
Fatigue Strength, MPa 220 to 300
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Shear Strength, MPa 370 to 460
420
Tensile Strength: Ultimate (UTS), MPa 590 to 750
660
Tensile Strength: Yield (Proof), MPa 330 to 510
380

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Mechanical, °C 760
400
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
45
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.9
1.5
Embodied Energy, MJ/kg 27
20
Embodied Water, L/kg 100
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 660
380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 27
24
Strength to Weight: Bending, points 20 to 24
22
Thermal Diffusivity, mm2/s 8.1
12
Thermal Shock Resistance, points 21 to 26
20

Alloy Composition

Carbon (C), % 0.12 to 0.17
0.56 to 0.64
Chromium (Cr), % 12 to 14
0
Iron (Fe), % 83.8 to 87.9
96.1 to 96.9
Manganese (Mn), % 0 to 1.0
0.75 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
1.8 to 2.2
Sulfur (S), % 0 to 0.015
0 to 0.040