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EN 1.7386 Steel vs. SAE-AISI 1039 Steel

Both EN 1.7386 steel and SAE-AISI 1039 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 1039 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170 to 200
180 to 200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18 to 21
14 to 18
Fatigue Strength, MPa 170 to 290
230 to 370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 340 to 410
380 to 420
Tensile Strength: Ultimate (UTS), MPa 550 to 670
610 to 690
Tensile Strength: Yield (Proof), MPa 240 to 440
340 to 580

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
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 10
8.1

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
88 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 490
310 to 890
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20 to 24
22 to 24
Strength to Weight: Bending, points 19 to 22
20 to 22
Thermal Diffusivity, mm2/s 6.9
14
Thermal Shock Resistance, points 15 to 18
19 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.080 to 0.15
0.37 to 0.44
Chromium (Cr), % 8.0 to 10
0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 86.8 to 90.5
98.5 to 98.9
Manganese (Mn), % 0.3 to 0.6
0.7 to 1.0
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