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EN 1.7701 Steel vs. EN 1.4468 Stainless Steel

Both EN 1.7701 steel and EN 1.4468 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.7701 steel and the bottom bar is EN 1.4468 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
80
Tensile Strength: Ultimate (UTS), MPa 670 to 2010
730

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 420
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 44
17
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
19
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.9
3.8
Embodied Energy, MJ/kg 26
53
Embodied Water, L/kg 52
180

Common Calculations

Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 71
26
Strength to Weight: Bending, points 22 to 45
23
Thermal Diffusivity, mm2/s 12
4.6
Thermal Shock Resistance, points 20 to 59
20

Alloy Composition

Carbon (C), % 0.48 to 0.56
0 to 0.030
Chromium (Cr), % 0.9 to 1.2
24.5 to 26.5
Iron (Fe), % 96.2 to 97.7
59.7 to 67.4
Manganese (Mn), % 0.7 to 1.1
0 to 2.0
Molybdenum (Mo), % 0.15 to 0.3
2.5 to 3.5
Nickel (Ni), % 0
5.5 to 7.0
Nitrogen (N), % 0
0.12 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.025
Vanadium (V), % 0.1 to 0.2
0