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EN 1.4123 Stainless Steel vs. SAE-AISI 4028 Steel

Both EN 1.4123 stainless steel and SAE-AISI 4028 steel are iron alloys. They have 82% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4123 stainless steel and the bottom bar is SAE-AISI 4028 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
150 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 720 to 810
490 to 630

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 840
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 23
49
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 4.2
1.5
Embodied Energy, MJ/kg 62
19
Embodied Water, L/kg 120
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26 to 29
17 to 22
Strength to Weight: Bending, points 23 to 25
18 to 21
Thermal Diffusivity, mm2/s 6.3
13
Thermal Shock Resistance, points 26 to 29
16 to 20

Alloy Composition

Carbon (C), % 0.35 to 0.5
0.25 to 0.3
Chromium (Cr), % 14 to 16.5
0
Iron (Fe), % 76.7 to 84.6
98.1 to 98.7
Manganese (Mn), % 0 to 1.0
0.7 to 0.9
Molybdenum (Mo), % 1.0 to 2.5
0.2 to 0.3
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0.035 to 0.050
Vanadium (V), % 0 to 1.5
0

Comparable Variants