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AISI 440C Stainless Steel vs. EN 1.7108 Steel

Both AISI 440C stainless steel and EN 1.7108 steel are iron alloys. They have 83% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AISI 440C stainless steel and the bottom bar is EN 1.7108 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 76
72
Tensile Strength: Ultimate (UTS), MPa 710 to 1970
670 to 2070

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Mechanical, °C 870
410
Melting Completion (Liquidus), °C 1480
1430
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 22
46
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
2.1
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.2
1.5
Embodied Energy, MJ/kg 31
20
Embodied Water, L/kg 120
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 71
24 to 75
Strength to Weight: Bending, points 23 to 46
22 to 47
Thermal Diffusivity, mm2/s 6.0
12
Thermal Shock Resistance, points 26 to 71
20 to 63

Alloy Composition

Carbon (C), % 1.0 to 1.2
0.57 to 0.65
Chromium (Cr), % 16 to 18
0.2 to 0.45
Iron (Fe), % 78 to 83.1
95.9 to 96.9
Manganese (Mn), % 0 to 1.0
0.7 to 1.0
Molybdenum (Mo), % 0 to 0.75
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
1.6 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.025

Comparable Variants