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SAE-AISI 50B44 Steel vs. SAE-AISI 1035 Steel

Both SAE-AISI 50B44 steel and SAE-AISI 1035 steel are iron alloys. Their average alloy composition is basically identical. 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 1035 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
13 to 21
Fatigue Strength, MPa 250
210 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 360
360 to 370
Tensile Strength: Ultimate (UTS), MPa 570
570 to 620
Tensile Strength: Yield (Proof), MPa 360
300 to 530

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 46
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 48
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
79 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 350
250 to 740
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 20
20 to 22
Strength to Weight: Bending, points 20
19 to 21
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 17
18 to 20

Alloy Composition

Boron (B), % 0.00050 to 0.0030
0
Carbon (C), % 0.43 to 0.48
0.32 to 0.38
Chromium (Cr), % 0.2 to 0.6
0
Iron (Fe), % 97.5 to 98.5
98.6 to 99.08
Manganese (Mn), % 0.75 to 1.0
0.6 to 0.9
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