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SAE-AISI 5160 Steel vs. EN 1.4451 Stainless Steel

Both SAE-AISI 5160 steel and EN 1.4451 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 30 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 1.4451 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 340
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 18
25
Fatigue Strength, MPa 180 to 650
370
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 660 to 1150
750
Tensile Strength: Yield (Proof), MPa 280 to 1010
540

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 43
17
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
20
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.8
Embodied Energy, MJ/kg 19
53
Embodied Water, L/kg 50
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73 to 160
170
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 2700
710
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 41
27
Strength to Weight: Bending, points 22 to 31
23
Thermal Diffusivity, mm2/s 12
4.5
Thermal Shock Resistance, points 19 to 34
16

Alloy Composition

Carbon (C), % 0.56 to 0.61
0 to 0.030
Chromium (Cr), % 0.7 to 0.9
25 to 27
Copper (Cu), % 0
2.8 to 3.5
Iron (Fe), % 97.1 to 97.8
56.2 to 64.6
Manganese (Mn), % 0.75 to 1.0
0 to 1.5
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0
5.0 to 7.0
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.025