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S15500 Stainless Steel vs. EN 1.7117 Steel

Both S15500 stainless steel and EN 1.7117 steel are iron alloys. They have 78% of their average alloy composition in common. There are 25 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 S15500 stainless steel and the bottom bar is EN 1.7117 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 290 to 430
200 to 480
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
72
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
660 to 1930

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Mechanical, °C 820
420
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
43
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.6
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 39
21
Embodied Water, L/kg 130
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 53
24 to 69
Strength to Weight: Bending, points 26 to 37
22 to 44
Thermal Diffusivity, mm2/s 4.6
12
Thermal Shock Resistance, points 30 to 50
20 to 58

Alloy Composition

Carbon (C), % 0 to 0.070
0.49 to 0.56
Chromium (Cr), % 14 to 15.5
0.7 to 1.0
Copper (Cu), % 2.5 to 4.5
0
Iron (Fe), % 71.9 to 79.9
95.2 to 96.4
Manganese (Mn), % 0 to 1.0
0.7 to 1.0
Nickel (Ni), % 3.5 to 5.5
0.5 to 0.7
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
1.2 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.025