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EN 1.4518 Stainless Steel vs. SAE-AISI 1025 Steel

Both EN 1.4518 stainless steel and SAE-AISI 1025 steel are iron alloys. They have 66% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4518 stainless steel and the bottom bar is SAE-AISI 1025 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
17 to 28
Fatigue Strength, MPa 160
190 to 280
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 490
450 to 500
Tensile Strength: Yield (Proof), MPa 210
250 to 420

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 20
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.0
1.4
Embodied Energy, MJ/kg 55
18
Embodied Water, L/kg 160
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
80 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 100
170 to 470
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
16 to 18
Strength to Weight: Bending, points 18
17 to 18
Thermal Diffusivity, mm2/s 4.1
14
Thermal Shock Resistance, points 14
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.030
0.22 to 0.28
Chromium (Cr), % 18 to 20
0
Iron (Fe), % 61.4 to 70
99.03 to 99.48
Manganese (Mn), % 0 to 1.5
0.3 to 0.6
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 9.0 to 12
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.030
0 to 0.050