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SAE-AISI 4150 Steel vs. EN 1.4611 Stainless Steel

Both SAE-AISI 4150 steel and EN 1.4611 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 4150 steel and the bottom bar is EN 1.4611 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 380
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 20
21
Fatigue Strength, MPa 260 to 780
180
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
78
Shear Strength, MPa 410 to 800
330
Tensile Strength: Ultimate (UTS), MPa 660 to 1310
530
Tensile Strength: Yield (Proof), MPa 380 to 1220
280

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 420
970
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 42
21
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.5
Embodied Energy, MJ/kg 20
36
Embodied Water, L/kg 51
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 82 to 180
91
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 3930
190
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 47
19
Strength to Weight: Bending, points 22 to 34
19
Thermal Diffusivity, mm2/s 11
5.7
Thermal Shock Resistance, points 19 to 39
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.48 to 0.53
0 to 0.030
Chromium (Cr), % 0.8 to 1.1
19 to 22
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 96.7 to 97.7
73.3 to 80.8
Manganese (Mn), % 0.75 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.25
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.035
0 to 0.050
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.050
Titanium (Ti), % 0
0.2 to 1.0