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EN 1.4823 Stainless Steel vs. SAE-AISI 9255 Steel

Both EN 1.4823 stainless steel and SAE-AISI 9255 steel are iron alloys. They have 69% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4823 stainless steel and the bottom bar is SAE-AISI 9255 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 3.4
21
Fatigue Strength, MPa 130
270
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
72
Tensile Strength: Ultimate (UTS), MPa 620
680
Tensile Strength: Yield (Proof), MPa 290
390

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1360
1390
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 17
46
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 16
2.0
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 3.0
1.5
Embodied Energy, MJ/kg 43
20
Embodied Water, L/kg 170
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 17
120
Resilience: Unit (Modulus of Resilience), kJ/m3 200
400
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 23
24
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 4.5
13
Thermal Shock Resistance, points 17
21

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.51 to 0.59
Chromium (Cr), % 25 to 28
0
Iron (Fe), % 60.9 to 70.7
96.2 to 97
Manganese (Mn), % 0 to 1.5
0.7 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 3.0 to 6.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 1.0 to 2.5
1.8 to 2.2
Sulfur (S), % 0 to 0.030
0 to 0.040