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SAE-AISI 1144 Steel vs. EN 1.4613 Stainless Steel

Both SAE-AISI 1144 steel and EN 1.4613 stainless steel are iron alloys. They have 75% 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 1144 steel and the bottom bar is EN 1.4613 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 230
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
21
Fatigue Strength, MPa 280 to 430
180
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
79
Shear Strength, MPa 460 to 510
330
Tensile Strength: Ultimate (UTS), MPa 750 to 840
530
Tensile Strength: Yield (Proof), MPa 420 to 690
280

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
1050
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
19
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 19
38
Embodied Water, L/kg 47
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 110
91
Resilience: Unit (Modulus of Resilience), kJ/m3 480 to 1290
190
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 30
19
Strength to Weight: Bending, points 23 to 25
19
Thermal Diffusivity, mm2/s 14
5.2
Thermal Shock Resistance, points 22 to 24
18

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.4 to 0.48
0 to 0.030
Chromium (Cr), % 0
22 to 25
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 97.5 to 98
70.3 to 77.8
Manganese (Mn), % 1.4 to 1.7
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0.24 to 0.33
0 to 0.050
Titanium (Ti), % 0
0.2 to 1.0