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SAE-AISI 1025 Steel vs. EN 1.7378 Steel

Both SAE-AISI 1025 steel and EN 1.7378 steel are iron alloys. They have a very high 96% 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 SAE-AISI 1025 steel and the bottom bar is EN 1.7378 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 140
210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 28
17
Fatigue Strength, MPa 190 to 280
330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
74
Shear Strength, MPa 290 to 310
430
Tensile Strength: Ultimate (UTS), MPa 450 to 500
700
Tensile Strength: Yield (Proof), MPa 250 to 420
490

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
460
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
39
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
4.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.3
Embodied Energy, MJ/kg 18
33
Embodied Water, L/kg 45
61

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80 to 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 470
630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 18
25
Strength to Weight: Bending, points 17 to 18
22
Thermal Diffusivity, mm2/s 14
10
Thermal Shock Resistance, points 14 to 16
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0015 to 0.0070
Carbon (C), % 0.22 to 0.28
0.050 to 0.1
Chromium (Cr), % 0
2.2 to 2.6
Iron (Fe), % 99.03 to 99.48
94.6 to 96.1
Manganese (Mn), % 0.3 to 0.6
0.3 to 0.7
Molybdenum (Mo), % 0
0.9 to 1.1
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0
0.15 to 0.45
Sulfur (S), % 0 to 0.050
0 to 0.010
Titanium (Ti), % 0
0.050 to 0.1
Vanadium (V), % 0
0.2 to 0.3