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SAE-AISI 1050 Steel vs. EN 1.4423 Stainless Steel

Both SAE-AISI 1050 steel and EN 1.4423 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1050 steel and the bottom bar is EN 1.4423 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
17
Fatigue Strength, MPa 260 to 400
380
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 430 to 470
520
Tensile Strength: Ultimate (UTS), MPa 690 to 790
850
Tensile Strength: Yield (Proof), MPa 390 to 650
630

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
780
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
16
Thermal Expansion, µm/m-K 12
9.9

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
14
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
3.2
Embodied Energy, MJ/kg 18
43
Embodied Water, L/kg 46
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 100
130
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1130
1000
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25 to 28
30
Strength to Weight: Bending, points 22 to 24
25
Thermal Diffusivity, mm2/s 14
4.3
Thermal Shock Resistance, points 22 to 25
31

Alloy Composition

Carbon (C), % 0.48 to 0.55
0 to 0.020
Chromium (Cr), % 0
11 to 13
Copper (Cu), % 0
0.2 to 0.8
Iron (Fe), % 98.5 to 98.9
73.8 to 80.5
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0
2.3 to 2.8
Nickel (Ni), % 0
6.0 to 7.0
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 0.5
Sulfur (S), % 0 to 0.050
0 to 0.0030