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EN 1.4659 Stainless Steel vs. EN 1.7117 Steel

Both EN 1.4659 stainless steel and EN 1.7117 steel are iron alloys. They have 43% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4659 stainless steel and the bottom bar is EN 1.7117 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
200 to 480
Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
72
Tensile Strength: Ultimate (UTS), MPa 900
660 to 1930

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
43
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 37
2.6
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 6.5
1.5
Embodied Energy, MJ/kg 89
21
Embodied Water, L/kg 220
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 31
24 to 69
Strength to Weight: Bending, points 25
22 to 44
Thermal Diffusivity, mm2/s 3.2
12
Thermal Shock Resistance, points 19
20 to 58

Alloy Composition

Carbon (C), % 0 to 0.020
0.49 to 0.56
Chromium (Cr), % 23 to 25
0.7 to 1.0
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 35.7 to 45.7
95.2 to 96.4
Manganese (Mn), % 2.0 to 4.0
0.7 to 1.0
Molybdenum (Mo), % 5.5 to 6.5
0
Nickel (Ni), % 21 to 23
0.5 to 0.7
Nitrogen (N), % 0.35 to 0.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.7
1.2 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.025
Tungsten (W), % 1.5 to 2.5
0