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EN 1.7117 Steel vs. EN 1.4923 Stainless Steel

Both EN 1.7117 steel and EN 1.4923 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.7117 steel and the bottom bar is EN 1.4923 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Tensile Strength: Ultimate (UTS), MPa 660 to 1930
870 to 980

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 420
740
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 43
24
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
8.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
2.9
Embodied Energy, MJ/kg 21
41
Embodied Water, L/kg 51
100

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 69
31 to 35
Strength to Weight: Bending, points 22 to 44
26 to 28
Thermal Diffusivity, mm2/s 12
6.5
Thermal Shock Resistance, points 20 to 58
30 to 34

Alloy Composition

Carbon (C), % 0.49 to 0.56
0.18 to 0.24
Chromium (Cr), % 0.7 to 1.0
11 to 12.5
Iron (Fe), % 95.2 to 96.4
83.5 to 87.1
Manganese (Mn), % 0.7 to 1.0
0.4 to 0.9
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 0.5 to 0.7
0.3 to 0.8
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 1.2 to 1.5
0 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.015
Vanadium (V), % 0
0.25 to 0.35

Comparable Variants