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SAE-AISI 1141 Steel vs. EN 1.4542 Stainless Steel

Both SAE-AISI 1141 steel and EN 1.4542 stainless steel are iron alloys. They have 75% 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 1.4542 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
5.7 to 20
Fatigue Strength, MPa 270 to 430
370 to 640
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 460 to 480
550 to 860
Tensile Strength: Ultimate (UTS), MPa 740 to 810
880 to 1470
Tensile Strength: Yield (Proof), MPa 400 to 700
580 to 1300

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
860
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
16
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 19
39
Embodied Water, L/kg 47
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 110
62 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1290
880 to 4360
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 29
31 to 52
Strength to Weight: Bending, points 23 to 25
26 to 37
Thermal Diffusivity, mm2/s 14
4.3
Thermal Shock Resistance, points 24 to 26
29 to 49

Alloy Composition

Carbon (C), % 0.37 to 0.45
0 to 0.070
Chromium (Cr), % 0
15 to 17
Copper (Cu), % 0
3.0 to 5.0
Iron (Fe), % 97.7 to 98.2
69.6 to 79
Manganese (Mn), % 1.4 to 1.7
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.6
Nickel (Ni), % 0
3.0 to 5.0
Niobium (Nb), % 0
0 to 0.45
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 0.7
Sulfur (S), % 0.080 to 0.13
0 to 0.015