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EN 1.4710 Stainless Steel vs. EN 1.7117 Steel

Both EN 1.4710 stainless steel and EN 1.7117 steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 21 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 1.4710 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 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
72

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Mechanical, °C 750
420
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 24
43
Thermal Expansion, µm/m-K 9.9
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.4
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 7.5
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
2.6
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.8
1.5
Embodied Energy, MJ/kg 24
21
Embodied Water, L/kg 76
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 6.5
12

Alloy Composition

Carbon (C), % 0.2 to 0.35
0.49 to 0.56
Chromium (Cr), % 6.0 to 8.0
0.7 to 1.0
Iron (Fe), % 87.4 to 92.3
95.2 to 96.4
Manganese (Mn), % 0.5 to 1.0
0.7 to 1.0
Molybdenum (Mo), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.5
0.5 to 0.7
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 1.0 to 2.5
1.2 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.025