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EN 1.4361 Stainless Steel vs. SAE-AISI 9254 Steel

Both EN 1.4361 stainless steel and SAE-AISI 9254 steel are iron alloys. They have 65% 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 1.4361 stainless steel and the bottom bar is SAE-AISI 9254 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 43
20
Fatigue Strength, MPa 220
280
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
72
Shear Strength, MPa 440
410
Tensile Strength: Ultimate (UTS), MPa 630
660
Tensile Strength: Yield (Proof), MPa 250
410

Thermal Properties

Latent Heat of Fusion, J/g 350
270
Maximum Temperature: Mechanical, °C 940
410
Melting Completion (Liquidus), °C 1370
1440
Melting Onset (Solidus), °C 1330
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 14
46
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.2
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 3.6
1.5
Embodied Energy, MJ/kg 52
20
Embodied Water, L/kg 150
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
110
Resilience: Unit (Modulus of Resilience), kJ/m3 160
450
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 3.7
12
Thermal Shock Resistance, points 15
20

Alloy Composition

Carbon (C), % 0 to 0.015
0.51 to 0.59
Chromium (Cr), % 16.5 to 18.5
0.6 to 0.8
Iron (Fe), % 58.7 to 65.8
96.1 to 97.1
Manganese (Mn), % 0 to 2.0
0.6 to 0.8
Molybdenum (Mo), % 0 to 0.2
0
Nickel (Ni), % 14 to 16
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 3.7 to 4.5
1.2 to 1.6
Sulfur (S), % 0 to 0.010
0 to 0.040