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EN 1.7715 Steel vs. EN 1.7117 Steel

Both EN 1.7715 steel and EN 1.7117 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 25 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 EN 1.7715 steel and the bottom bar is EN 1.7117 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
200 to 480
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 540
660 to 1930

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 420
420
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
43
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
2.6
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.2
1.5
Embodied Energy, MJ/kg 30
21
Embodied Water, L/kg 52
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
24 to 69
Strength to Weight: Bending, points 19
22 to 44
Thermal Diffusivity, mm2/s 11
12
Thermal Shock Resistance, points 16
20 to 58

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.1 to 0.15
0.49 to 0.56
Chromium (Cr), % 0.3 to 0.6
0.7 to 1.0
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.5 to 98.3
95.2 to 96.4
Manganese (Mn), % 0.4 to 0.7
0.7 to 1.0
Molybdenum (Mo), % 0.5 to 0.7
0
Nickel (Ni), % 0 to 0.3
0.5 to 0.7
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.15 to 0.35
1.2 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.025
Vanadium (V), % 0.22 to 0.28
0