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EN 1.4662 Stainless Steel vs. EN 1.7244 Steel

Both EN 1.4662 stainless steel and EN 1.7244 steel are iron alloys. They have 69% 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 1.4662 stainless steel and the bottom bar is EN 1.7244 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 810 to 830
470 to 1390

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1090
420
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 16
2.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.2
1.5
Embodied Energy, MJ/kg 45
20
Embodied Water, L/kg 170
51

Common Calculations

Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29 to 30
17 to 49
Strength to Weight: Bending, points 25
17 to 35
Thermal Diffusivity, mm2/s 3.9
12
Thermal Shock Resistance, points 22
14 to 41

Alloy Composition

Carbon (C), % 0 to 0.030
0.15 to 0.21
Chromium (Cr), % 23 to 25
0.9 to 1.2
Copper (Cu), % 0.1 to 0.8
0 to 0.25
Iron (Fe), % 62.6 to 70.2
96.8 to 98.2
Manganese (Mn), % 2.5 to 4.0
0.6 to 0.9
Molybdenum (Mo), % 1.0 to 2.0
0.15 to 0.25
Nickel (Ni), % 3.0 to 4.5
0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.3
Sulfur (S), % 0 to 0.0050
0.020 to 0.040