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EN 1.4006 Stainless Steel vs. SAE-AISI 1025 Steel

Both EN 1.4006 stainless steel and SAE-AISI 1025 steel are iron alloys. They have 86% 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 1.4006 stainless steel and the bottom bar is SAE-AISI 1025 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 23
17 to 28
Fatigue Strength, MPa 150 to 300
190 to 280
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 370 to 460
290 to 310
Tensile Strength: Ultimate (UTS), MPa 590 to 750
450 to 500
Tensile Strength: Yield (Proof), MPa 230 to 510
250 to 420

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 740
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
52
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.9
1.4
Embodied Energy, MJ/kg 27
18
Embodied Water, L/kg 100
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99 to 110
80 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 660
170 to 470
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 27
16 to 18
Strength to Weight: Bending, points 20 to 24
17 to 18
Thermal Diffusivity, mm2/s 8.1
14
Thermal Shock Resistance, points 21 to 26
14 to 16

Alloy Composition

Carbon (C), % 0.080 to 0.15
0.22 to 0.28
Chromium (Cr), % 11.5 to 13.5
0
Iron (Fe), % 83.1 to 88.4
99.03 to 99.48
Manganese (Mn), % 0 to 1.5
0.3 to 0.6
Nickel (Ni), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050

Comparable Variants