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SAE-AISI 9260 Steel vs. EN 1.4658 Stainless Steel

Both SAE-AISI 9260 steel and EN 1.4658 stainless steel are iron alloys. They have 58% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
260
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 21
28
Fatigue Strength, MPa 260
530
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
81
Shear Strength, MPa 420
580
Tensile Strength: Ultimate (UTS), MPa 660
900
Tensile Strength: Yield (Proof), MPa 380
730

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 45
16
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
25
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
4.5
Embodied Energy, MJ/kg 20
61
Embodied Water, L/kg 46
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
240
Resilience: Unit (Modulus of Resilience), kJ/m3 380
1280
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
32
Strength to Weight: Bending, points 22
26
Thermal Diffusivity, mm2/s 12
4.3
Thermal Shock Resistance, points 20
24

Alloy Composition

Carbon (C), % 0.56 to 0.64
0 to 0.030
Chromium (Cr), % 0
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 96.1 to 96.9
50.9 to 63.7
Manganese (Mn), % 0.75 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0
5.5 to 9.5
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 1.8 to 2.2
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.010