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EN 1.7117 Steel vs. S15700 Stainless Steel

Both EN 1.7117 steel and S15700 stainless steel are iron alloys. They have 76% 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 1.7117 steel and the bottom bar is S15700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 480
200 to 460
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 660 to 1930
1180 to 1890

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Mechanical, °C 420
870
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 43
16
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
15
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.5
3.4
Embodied Energy, MJ/kg 21
47
Embodied Water, L/kg 51
140

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 69
42 to 67
Strength to Weight: Bending, points 22 to 44
32 to 43
Thermal Diffusivity, mm2/s 12
4.2
Thermal Shock Resistance, points 20 to 58
39 to 63

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.5
Carbon (C), % 0.49 to 0.56
0 to 0.090
Chromium (Cr), % 0.7 to 1.0
14 to 16
Iron (Fe), % 95.2 to 96.4
69.6 to 76.8
Manganese (Mn), % 0.7 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0.5 to 0.7
6.5 to 7.7
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 1.2 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030

Comparable Variants