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EN 1.4404 Stainless Steel vs. SAE-AISI 1043 Steel

Both EN 1.4404 stainless steel and SAE-AISI 1043 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 1.4404 stainless steel and the bottom bar is SAE-AISI 1043 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
190 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 43
13 to 18
Fatigue Strength, MPa 220 to 320
230 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 420 to 550
400 to 430
Tensile Strength: Ultimate (UTS), MPa 600 to 900
650 to 710
Tensile Strength: Yield (Proof), MPa 240 to 570
350 to 600

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
51
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.4
Embodied Energy, MJ/kg 52
18
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 210
87 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
320 to 980
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
23 to 25
Strength to Weight: Bending, points 20 to 26
21 to 22
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 13 to 20
21 to 22

Alloy Composition

Carbon (C), % 0 to 0.030
0.4 to 0.47
Chromium (Cr), % 16.5 to 18.5
0
Iron (Fe), % 62.8 to 71.5
98.4 to 98.9
Manganese (Mn), % 0 to 2.0
0.7 to 1.0
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 10 to 13
0
Nitrogen (N), % 0 to 0.1
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