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EN 1.4406 Stainless Steel vs. SAE-AISI 1074 Steel

Both EN 1.4406 stainless steel and SAE-AISI 1074 steel are iron alloys. They have 68% of their average alloy composition in common. There are 31 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 1.4406 stainless steel and the bottom bar is SAE-AISI 1074 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 42
11 to 14
Fatigue Strength, MPa 280
290 to 350
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
72
Shear Strength, MPa 470
440 to 490
Tensile Strength: Ultimate (UTS), MPa 680
740 to 820
Tensile Strength: Yield (Proof), MPa 320
450 to 570

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 950
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
50
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 18
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.7
1.4
Embodied Energy, MJ/kg 51
19
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
77 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 260
550 to 860
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
26 to 29
Strength to Weight: Bending, points 22
23 to 25
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 15
24 to 26

Alloy Composition

Carbon (C), % 0 to 0.030
0.7 to 0.8
Chromium (Cr), % 16.5 to 18.5
0
Iron (Fe), % 63.2 to 71.4
98.3 to 98.8
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 10 to 12.5
0
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050