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SAE-AISI 50B60 Steel vs. EN 1.5503 Steel

Both SAE-AISI 50B60 steel and EN 1.5503 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 50B60 steel and the bottom bar is EN 1.5503 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 190
120 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 20
12 to 17
Fatigue Strength, MPa 240 to 330
180 to 280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 380
270 to 320
Tensile Strength: Ultimate (UTS), MPa 610 to 630
400 to 520
Tensile Strength: Yield (Proof), MPa 350 to 530
270 to 430

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 45
52
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.1

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 71 to 100
41 to 81
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 750
200 to 490
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 23
14 to 19
Strength to Weight: Bending, points 20 to 21
15 to 18
Thermal Diffusivity, mm2/s 12
14
Thermal Shock Resistance, points 20
12 to 15

Alloy Composition

Boron (B), % 0.00050 to 0.0030
0.00080 to 0.0050
Carbon (C), % 0.56 to 0.64
0.16 to 0.2
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 97.3 to 98.1
98.4 to 99.239
Manganese (Mn), % 0.75 to 1.0
0.6 to 0.8
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0 to 0.3
Sulfur (S), % 0 to 0.040
0 to 0.025

Comparable Variants