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EN 1.4474 Stainless Steel vs. SAE-AISI 1046 Steel

Both EN 1.4474 stainless steel and SAE-AISI 1046 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 1.4474 stainless steel and the bottom bar is SAE-AISI 1046 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
14 to 17
Fatigue Strength, MPa 320
240 to 390
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
72
Tensile Strength: Ultimate (UTS), MPa 670
660 to 740
Tensile Strength: Yield (Proof), MPa 480
370 to 610

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
51
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
12

Otherwise Unclassified Properties

Base Metal Price, % relative 17
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.4
1.4
Embodied Energy, MJ/kg 48
18
Embodied Water, L/kg 170
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
91 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 560
360 to 990
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
23 to 26
Strength to Weight: Bending, points 22
22 to 23
Thermal Diffusivity, mm2/s 4.6
14
Thermal Shock Resistance, points 18
23 to 25

Alloy Composition

Carbon (C), % 0 to 0.050
0.43 to 0.5
Chromium (Cr), % 25 to 27
0
Iron (Fe), % 61.2 to 69.1
98.4 to 98.9
Manganese (Mn), % 0 to 2.0
0.7 to 1.0
Molybdenum (Mo), % 1.3 to 2.0
0
Nickel (Ni), % 4.5 to 6.5
0
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.025
0 to 0.050