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EN 1.7335 Steel vs. SAE-AISI 50B50 Steel

Both EN 1.7335 steel and SAE-AISI 50B50 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 (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.7335 steel and the bottom bar is SAE-AISI 50B50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 160
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21 to 22
22
Fatigue Strength, MPa 200 to 220
260
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 310 to 330
370
Tensile Strength: Ultimate (UTS), MPa 500 to 520
590
Tensile Strength: Yield (Proof), MPa 280 to 310
370

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 430
410
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 44
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
2.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.4
Embodied Energy, MJ/kg 21
19
Embodied Water, L/kg 52
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 97
110
Resilience: Unit (Modulus of Resilience), kJ/m3 210 to 260
370
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
21
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 15
17

Alloy Composition

Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0.080 to 0.18
0.48 to 0.53
Chromium (Cr), % 0.7 to 1.2
0.4 to 0.6
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.4 to 98.4
97.4 to 98.2
Manganese (Mn), % 0.4 to 1.0
0.75 to 1.0
Molybdenum (Mo), % 0.4 to 0.6
0
Nitrogen (N), % 0 to 0.012
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.35
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.040