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SAE-AISI 9260 Steel vs. EN 1.4659 Stainless Steel

Both SAE-AISI 9260 steel and EN 1.4659 stainless steel are iron alloys. They have 42% 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 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
260
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 21
49
Fatigue Strength, MPa 260
460
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
81
Shear Strength, MPa 420
640
Tensile Strength: Ultimate (UTS), MPa 660
900
Tensile Strength: Yield (Proof), MPa 380
480

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 45
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
37
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 1.5
6.5
Embodied Energy, MJ/kg 20
89
Embodied Water, L/kg 46
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
370
Resilience: Unit (Modulus of Resilience), kJ/m3 380
550
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
31
Strength to Weight: Bending, points 22
25
Thermal Diffusivity, mm2/s 12
3.2
Thermal Shock Resistance, points 20
19

Alloy Composition

Carbon (C), % 0.56 to 0.64
0 to 0.020
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 96.1 to 96.9
35.7 to 45.7
Manganese (Mn), % 0.75 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 0
5.5 to 6.5
Nickel (Ni), % 0
21 to 23
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 1.8 to 2.2
0 to 0.7
Sulfur (S), % 0 to 0.040
0 to 0.010
Tungsten (W), % 0
1.5 to 2.5