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SAE-AISI 5160 Steel vs. EN 1.4449 Stainless Steel

Both SAE-AISI 5160 steel and EN 1.4449 stainless steel are iron alloys. They have 68% 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 SAE-AISI 5160 steel and the bottom bar is EN 1.4449 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 340
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 18
48
Fatigue Strength, MPa 180 to 650
240
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 390 to 700
440
Tensile Strength: Ultimate (UTS), MPa 660 to 1150
620
Tensile Strength: Yield (Proof), MPa 280 to 1010
250

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 420
960
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 43
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
3.9
Embodied Energy, MJ/kg 19
54
Embodied Water, L/kg 50
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 160
240
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 2700
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 41
22
Strength to Weight: Bending, points 22 to 31
20
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 19 to 34
14

Alloy Composition

Carbon (C), % 0.56 to 0.61
0 to 0.035
Chromium (Cr), % 0.7 to 0.9
17 to 18.2
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 97.1 to 97.8
62.4 to 69.3
Manganese (Mn), % 0.75 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
2.3 to 2.8
Nickel (Ni), % 0
11.5 to 12.5
Nitrogen (N), % 0
0 to 0.080
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015