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SAE-AISI 1025 Steel vs. EN 1.4150 Stainless Steel

Both SAE-AISI 1025 steel and EN 1.4150 stainless steel are iron alloys. They have 82% 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 1.4150 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 140
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17 to 28
20
Fatigue Strength, MPa 190 to 280
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 290 to 310
460
Tensile Strength: Ultimate (UTS), MPa 450 to 500
730
Tensile Strength: Yield (Proof), MPa 250 to 420
430

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
840
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 52
23
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
8.5
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 18
42
Embodied Water, L/kg 45
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80 to 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 470
470
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 18
27
Strength to Weight: Bending, points 17 to 18
24
Thermal Diffusivity, mm2/s 14
6.2
Thermal Shock Resistance, points 14 to 16
27

Alloy Composition

Carbon (C), % 0.22 to 0.28
0.45 to 0.6
Chromium (Cr), % 0
15 to 16.5
Iron (Fe), % 99.03 to 99.48
79 to 82.8
Manganese (Mn), % 0.3 to 0.6
0 to 0.8
Molybdenum (Mo), % 0
0.2 to 0.4
Nickel (Ni), % 0
0 to 0.4
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
1.3 to 1.7
Sulfur (S), % 0 to 0.050
0 to 0.010
Vanadium (V), % 0
0.2 to 0.4