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SAE-AISI 4626 Steel vs. EN 1.4005 Stainless Steel

Both SAE-AISI 4626 steel and EN 1.4005 stainless 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 (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 4626 steel and the bottom bar is EN 1.4005 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 25
13 to 21
Fatigue Strength, MPa 240
240 to 290
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 320
390 to 450
Tensile Strength: Ultimate (UTS), MPa 500
630 to 750
Tensile Strength: Yield (Proof), MPa 330
370 to 500

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 400
760
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 44
30
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.0
Embodied Energy, MJ/kg 20
28
Embodied Water, L/kg 48
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
90 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 290
350 to 650
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
23 to 27
Strength to Weight: Bending, points 18
21 to 24
Thermal Diffusivity, mm2/s 12
8.1
Thermal Shock Resistance, points 15
23 to 27

Alloy Composition

Carbon (C), % 0.24 to 0.29
0.060 to 0.15
Chromium (Cr), % 0
12 to 14
Iron (Fe), % 97.4 to 98.3
82.4 to 87.8
Manganese (Mn), % 0.45 to 0.65
0 to 1.5
Molybdenum (Mo), % 0.15 to 0.25
0 to 0.6
Nickel (Ni), % 0.7 to 1.0
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.040
0.15 to 0.35