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EN 1.4980 Stainless Steel vs. SAE-AISI S4 Steel

Both EN 1.4980 stainless steel and SAE-AISI S4 steel are iron alloys. They have 56% 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 1.4980 stainless steel and the bottom bar is SAE-AISI S4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 75
72
Tensile Strength: Ultimate (UTS), MPa 1030
670 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 13
44
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 26
2.2
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 6.0
2.0
Embodied Energy, MJ/kg 87
29
Embodied Water, L/kg 170
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 36
24 to 77
Strength to Weight: Bending, points 28
22 to 48
Thermal Diffusivity, mm2/s 3.5
12
Thermal Shock Resistance, points 22
20 to 65

Alloy Composition

Aluminum (Al), % 0 to 0.35
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.030 to 0.080
0.5 to 0.65
Chromium (Cr), % 13.5 to 16
0.1 to 0.5
Iron (Fe), % 49.2 to 58.5
95.2 to 96.9
Manganese (Mn), % 1.0 to 2.0
0.6 to 1.0
Molybdenum (Mo), % 1.0 to 1.5
0
Nickel (Ni), % 24 to 27
0
Phosphorus (P), % 0 to 0.025
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
Titanium (Ti), % 1.9 to 2.3
0
Vanadium (V), % 0.1 to 0.5
0.15 to 0.35