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EN 1.7117 Steel vs. EN 1.8827 Steel

Both EN 1.7117 steel and EN 1.8827 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, 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 1.8827 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 660 to 1930
610

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 420
410
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 43
44
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
2.6
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.7
Embodied Energy, MJ/kg 21
23
Embodied Water, L/kg 51
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 69
21
Strength to Weight: Bending, points 22 to 44
20
Thermal Diffusivity, mm2/s 12
12
Thermal Shock Resistance, points 20 to 58
18

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.054
Carbon (C), % 0.49 to 0.56
0 to 0.18
Chromium (Cr), % 0.7 to 1.0
0 to 0.35
Copper (Cu), % 0
0 to 0.6
Iron (Fe), % 95.2 to 96.4
95 to 99.985
Manganese (Mn), % 0.7 to 1.0
0 to 1.8
Molybdenum (Mo), % 0
0 to 0.23
Nickel (Ni), % 0.5 to 0.7
0 to 0.85
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.027
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 1.2 to 1.5
0 to 0.65
Sulfur (S), % 0 to 0.025
0 to 0.030
Titanium (Ti), % 0
0 to 0.060
Vanadium (V), % 0
0 to 0.14