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SAE-AISI 1141 Steel vs. EN 1.4537 Stainless Steel

Both SAE-AISI 1141 steel and EN 1.4537 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 (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 1.4537 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 220
220
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 11 to 17
42
Fatigue Strength, MPa 270 to 430
290
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
80
Shear Strength, MPa 460 to 480
480
Tensile Strength: Ultimate (UTS), MPa 740 to 810
700
Tensile Strength: Yield (Proof), MPa 400 to 700
330

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
14
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
34
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.4
6.1
Embodied Energy, MJ/kg 19
84
Embodied Water, L/kg 47
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 110
240
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1290
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 29
24
Strength to Weight: Bending, points 23 to 25
22
Thermal Diffusivity, mm2/s 14
3.7
Thermal Shock Resistance, points 24 to 26
15

Alloy Composition

Carbon (C), % 0.37 to 0.45
0 to 0.020
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 97.7 to 98.2
36.3 to 46.1
Manganese (Mn), % 1.4 to 1.7
0 to 2.0
Molybdenum (Mo), % 0
4.7 to 5.7
Nickel (Ni), % 0
24 to 27
Nitrogen (N), % 0
0.17 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
0 to 0.7
Sulfur (S), % 0.080 to 0.13
0 to 0.010