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EN 1.4325 Stainless Steel vs. SAE-AISI 9260 Steel

Both EN 1.4325 stainless steel and SAE-AISI 9260 steel are iron alloys. They have 73% 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 EN 1.4325 stainless steel and the bottom bar is SAE-AISI 9260 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
21
Fatigue Strength, MPa 190
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Shear Strength, MPa 450
420
Tensile Strength: Ultimate (UTS), MPa 650
660
Tensile Strength: Yield (Proof), MPa 210
380

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Mechanical, °C 930
400
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
45
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.0
1.5
Embodied Energy, MJ/kg 42
20
Embodied Water, L/kg 140
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
120
Resilience: Unit (Modulus of Resilience), kJ/m3 110
380
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
24
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 4.3
12
Thermal Shock Resistance, points 15
20

Alloy Composition

Carbon (C), % 0.030 to 0.15
0.56 to 0.64
Chromium (Cr), % 17 to 19
0
Iron (Fe), % 67.8 to 75
96.1 to 96.9
Manganese (Mn), % 0 to 2.0
0.75 to 1.0
Nickel (Ni), % 8.0 to 10
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
1.8 to 2.2
Sulfur (S), % 0 to 0.030
0 to 0.040