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EN 1.7386 Steel vs. SAE-AISI 1055 Steel

Both EN 1.7386 steel and SAE-AISI 1055 steel are iron alloys. They have 89% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.7386 steel and the bottom bar is SAE-AISI 1055 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 200
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18 to 21
11 to 14
Fatigue Strength, MPa 170 to 290
260 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
72
Shear Strength, MPa 340 to 410
440 to 450
Tensile Strength: Ultimate (UTS), MPa 550 to 670
730 to 750
Tensile Strength: Yield (Proof), MPa 240 to 440
400 to 630

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 600
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 26
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
11
Electrical Conductivity: Equal Weight (Specific), % IACS 10
12

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 28
18
Embodied Water, L/kg 88
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92 to 110
80 to 85
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 490
440 to 1070
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20 to 24
26
Strength to Weight: Bending, points 19 to 22
23
Thermal Diffusivity, mm2/s 6.9
14
Thermal Shock Resistance, points 15 to 18
23 to 24

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.15
0.5 to 0.6
Chromium (Cr), % 8.0 to 10
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 86.8 to 90.5
98.4 to 98.9
Manganese (Mn), % 0.3 to 0.6
0.6 to 0.9
Molybdenum (Mo), % 0.9 to 1.1
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.25 to 1.0
0
Sulfur (S), % 0 to 0.010
0 to 0.050