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EN 1.7379 Steel vs. SAE-AISI 1037 Steel

Both EN 1.7379 steel and SAE-AISI 1037 steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.7379 steel and the bottom bar is SAE-AISI 1037 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
160 to 190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
14 to 20
Fatigue Strength, MPa 320
220 to 340
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Tensile Strength: Ultimate (UTS), MPa 670
580 to 640
Tensile Strength: Yield (Proof), MPa 460
320 to 540

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 460
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.8
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 3.8
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.4
Embodied Energy, MJ/kg 23
18
Embodied Water, L/kg 59
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
83 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 550
270 to 780
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
20 to 23
Strength to Weight: Bending, points 22
20 to 21
Thermal Diffusivity, mm2/s 11
14
Thermal Shock Resistance, points 19
18 to 20

Alloy Composition

Carbon (C), % 0.13 to 0.2
0.32 to 0.38
Chromium (Cr), % 2.0 to 2.5
0
Iron (Fe), % 94.5 to 96.5
98.5 to 99
Manganese (Mn), % 0.5 to 0.9
0.7 to 1.0
Molybdenum (Mo), % 0.9 to 1.2
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.6
0
Sulfur (S), % 0 to 0.030
0 to 0.050