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EN 1.7272 Steel vs. S44535 Stainless Steel

Both EN 1.7272 steel and S44535 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 24 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 1.7272 steel and the bottom bar is S44535 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 490 to 1650
450

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 410
1000
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
21
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.5
2.4
Embodied Energy, MJ/kg 19
34
Embodied Water, L/kg 49
140

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17 to 59
16
Strength to Weight: Bending, points 18 to 40
17
Thermal Diffusivity, mm2/s 12
5.6
Thermal Shock Resistance, points 14 to 48
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.28 to 0.33
0 to 0.030
Chromium (Cr), % 0.4 to 0.55
20 to 24
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 97.2 to 98.3
73.2 to 79.6
Lanthanum (La), % 0
0.040 to 0.2
Manganese (Mn), % 0.9 to 1.2
0.3 to 0.8
Molybdenum (Mo), % 0.1 to 0.15
0
Phosphorus (P), % 0 to 0.025
0 to 0.050
Silicon (Si), % 0 to 0.3
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.020
Titanium (Ti), % 0
0.030 to 0.2