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EN 1.4872 Stainless Steel vs. SAE-AISI S4 Steel

Both EN 1.4872 stainless steel and SAE-AISI S4 steel are iron alloys. They have 60% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.4872 stainless steel and the bottom bar is SAE-AISI S4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
72
Tensile Strength: Ultimate (UTS), MPa 950
670 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1340
1390
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
44
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.2
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 3.3
2.0
Embodied Energy, MJ/kg 47
29
Embodied Water, L/kg 180
48

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 35
24 to 77
Strength to Weight: Bending, points 28
22 to 48
Thermal Diffusivity, mm2/s 3.9
12
Thermal Shock Resistance, points 21
20 to 65

Alloy Composition

Carbon (C), % 0.2 to 0.3
0.5 to 0.65
Chromium (Cr), % 24 to 26
0.1 to 0.5
Iron (Fe), % 54.2 to 61.6
95.2 to 96.9
Manganese (Mn), % 8.0 to 10
0.6 to 1.0
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
1.8 to 2.3
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
0.15 to 0.35