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SAE-AISI 50B44 Steel vs. EN 1.4886 Stainless Steel

Both SAE-AISI 50B44 steel and EN 1.4886 stainless steel are iron alloys. They have 45% 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 50B44 steel and the bottom bar is EN 1.4886 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
45
Fatigue Strength, MPa 250
280
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 360
400
Tensile Strength: Ultimate (UTS), MPa 570
580
Tensile Strength: Yield (Proof), MPa 360
300

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 46
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
5.4
Embodied Energy, MJ/kg 19
76
Embodied Water, L/kg 48
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
220
Resilience: Unit (Modulus of Resilience), kJ/m3 350
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
20
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 12
3.1
Thermal Shock Resistance, points 17
14

Alloy Composition

Boron (B), % 0.00050 to 0.0030
0
Carbon (C), % 0.43 to 0.48
0 to 0.15
Chromium (Cr), % 0.2 to 0.6
17 to 20
Iron (Fe), % 97.5 to 98.5
38.7 to 49
Manganese (Mn), % 0.75 to 1.0
0 to 2.0
Nickel (Ni), % 0
33 to 37
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.15 to 0.35
1.0 to 2.0
Sulfur (S), % 0 to 0.040
0 to 0.015