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SAE-AISI 1141 Steel vs. EN 1.4592 Stainless Steel

Both SAE-AISI 1141 steel and EN 1.4592 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 30 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 SAE-AISI 1141 steel and the bottom bar is EN 1.4592 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 11 to 17
23
Fatigue Strength, MPa 270 to 430
340
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
82
Shear Strength, MPa 460 to 480
400
Tensile Strength: Ultimate (UTS), MPa 740 to 810
630
Tensile Strength: Yield (Proof), MPa 400 to 700
500

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
17
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 12
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
18
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
3.8
Embodied Energy, MJ/kg 19
52
Embodied Water, L/kg 47
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1290
610
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 26 to 29
23
Strength to Weight: Bending, points 23 to 25
21
Thermal Diffusivity, mm2/s 14
4.6
Thermal Shock Resistance, points 24 to 26
20

Alloy Composition

Carbon (C), % 0.37 to 0.45
0 to 0.025
Chromium (Cr), % 0
28 to 30
Iron (Fe), % 97.7 to 98.2
62.6 to 68.4
Manganese (Mn), % 1.4 to 1.7
0 to 1.0
Molybdenum (Mo), % 0
3.5 to 4.5
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0.080 to 0.13
0 to 0.010
Titanium (Ti), % 0
0.15 to 0.8