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SAE-AISI 50B44 Steel vs. SAE-AISI 1015 Steel

Both SAE-AISI 50B44 steel and SAE-AISI 1015 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 50B44 steel and the bottom bar is SAE-AISI 1015 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
120
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
20 to 32
Fatigue Strength, MPa 250
170 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 360
260 to 270
Tensile Strength: Ultimate (UTS), MPa 570
390 to 440
Tensile Strength: Yield (Proof), MPa 360
210 to 370

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 48
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
83 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 350
120 to 360
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
14 to 15
Strength to Weight: Bending, points 20
15 to 16
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 17
12 to 14

Alloy Composition

Boron (B), % 0.00050 to 0.0030
0
Carbon (C), % 0.43 to 0.48
0.13 to 0.18
Chromium (Cr), % 0.2 to 0.6
0
Iron (Fe), % 97.5 to 98.5
99.13 to 99.57
Manganese (Mn), % 0.75 to 1.0
0.3 to 0.6
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0 to 0.050