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SAE-AISI 50B50 Steel vs. EN 1.8516 Steel

Both SAE-AISI 50B50 steel and EN 1.8516 steel are iron alloys. They have a very high 97% 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 50B50 steel and the bottom bar is EN 1.8516 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
330
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 22
11
Fatigue Strength, MPa 260
570
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 370
660
Tensile Strength: Ultimate (UTS), MPa 590
1100
Tensile Strength: Yield (Proof), MPa 370
910

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 410
470
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
39
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
3.7
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.7
Embodied Energy, MJ/kg 19
22
Embodied Water, L/kg 48
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 370
2190
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
39
Strength to Weight: Bending, points 20
30
Thermal Diffusivity, mm2/s 12
10
Thermal Shock Resistance, points 17
32

Alloy Composition

Boron (B), % 0.00050 to 0.0030
0
Carbon (C), % 0.48 to 0.53
0.2 to 0.27
Chromium (Cr), % 0.4 to 0.6
3.0 to 3.5
Iron (Fe), % 97.4 to 98.2
94.6 to 96.1
Manganese (Mn), % 0.75 to 1.0
0.4 to 0.7
Molybdenum (Mo), % 0
0.5 to 0.7
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.040
0 to 0.035