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SAE-AISI 9260 Steel vs. EN 1.4401 Stainless Steel

Both SAE-AISI 9260 steel and EN 1.4401 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 31 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 SAE-AISI 9260 steel and the bottom bar is EN 1.4401 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
14 to 40
Fatigue Strength, MPa 260
200 to 320
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
78
Shear Strength, MPa 420
410 to 550
Tensile Strength: Ultimate (UTS), MPa 660
600 to 900
Tensile Strength: Yield (Proof), MPa 380
230 to 570

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Mechanical, °C 400
950
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 45
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
19
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.5
3.8
Embodied Energy, MJ/kg 20
52
Embodied Water, L/kg 46
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 380
130 to 800
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
21 to 32
Strength to Weight: Bending, points 22
20 to 26
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 20
13 to 20

Alloy Composition

Carbon (C), % 0.56 to 0.64
0 to 0.070
Chromium (Cr), % 0
16.5 to 18.5
Iron (Fe), % 96.1 to 96.9
62.8 to 71.5
Manganese (Mn), % 0.75 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 0
10 to 13
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 1.8 to 2.2
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015