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EN 1.4537 Stainless Steel vs. SAE-AISI 5140 Steel

Both EN 1.4537 stainless steel and SAE-AISI 5140 steel are iron alloys. They have 43% 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 1.4537 stainless steel and the bottom bar is SAE-AISI 5140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
170 to 290
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 42
12 to 29
Fatigue Strength, MPa 290
220 to 570
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 480
360 to 600
Tensile Strength: Ultimate (UTS), MPa 700
560 to 970
Tensile Strength: Yield (Proof), MPa 330
290 to 840

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
45
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.1
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.1
1.4
Embodied Energy, MJ/kg 84
19
Embodied Water, L/kg 220
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
76 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 270
220 to 1880
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
20 to 34
Strength to Weight: Bending, points 22
19 to 28
Thermal Diffusivity, mm2/s 3.7
12
Thermal Shock Resistance, points 15
16 to 29

Alloy Composition

Carbon (C), % 0 to 0.020
0.38 to 0.43
Chromium (Cr), % 24 to 26
0.7 to 0.9
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 36.3 to 46.1
97.3 to 98.1
Manganese (Mn), % 0 to 2.0
0.7 to 0.9
Molybdenum (Mo), % 4.7 to 5.7
0
Nickel (Ni), % 24 to 27
0
Nitrogen (N), % 0.17 to 0.25
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.7
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.040