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EN 1.4613 Stainless Steel vs. SAE-AISI 50B44 Steel

Both EN 1.4613 stainless steel and SAE-AISI 50B44 steel are iron alloys. Both are furnished in the annealed condition. 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 (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4613 stainless steel and the bottom bar is SAE-AISI 50B44 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 21
22
Fatigue Strength, MPa 180
250
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 330
360
Tensile Strength: Ultimate (UTS), MPa 530
570
Tensile Strength: Yield (Proof), MPa 280
360

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1050
410
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 19
46
Thermal Expansion, µm/m-K 11
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 38
19
Embodied Water, L/kg 150
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
110
Resilience: Unit (Modulus of Resilience), kJ/m3 190
350
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
20
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 5.2
12
Thermal Shock Resistance, points 18
17

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0 to 0.030
0.43 to 0.48
Chromium (Cr), % 22 to 25
0.2 to 0.6
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 70.3 to 77.8
97.5 to 98.5
Manganese (Mn), % 0 to 1.0
0.75 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.050
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.050
0 to 0.040
Titanium (Ti), % 0.2 to 1.0
0