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N08031 Stainless Steel vs. EN 1.7117 Steel

Both N08031 stainless steel and EN 1.7117 steel are iron alloys. They have a modest 35% of their average alloy composition in common, which, by itself, doesn't mean much. There are 22 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 N08031 stainless steel and the bottom bar is EN 1.7117 steel.

Metric UnitsUS Customary Units

Mechanical Properties

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 730
660 to 1930

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
43
Thermal Expansion, µm/m-K 18
13

Otherwise Unclassified Properties

Base Metal Price, % relative 39
2.6
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 7.1
1.5
Embodied Energy, MJ/kg 96
21
Embodied Water, L/kg 240
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
24 to 69
Strength to Weight: Bending, points 22
22 to 44
Thermal Diffusivity, mm2/s 3.1
12
Thermal Shock Resistance, points 14
20 to 58

Alloy Composition

Carbon (C), % 0 to 0.015
0.49 to 0.56
Chromium (Cr), % 26 to 28
0.7 to 1.0
Copper (Cu), % 1.0 to 1.4
0
Iron (Fe), % 29 to 36.9
95.2 to 96.4
Manganese (Mn), % 0 to 2.0
0.7 to 1.0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 30 to 32
0.5 to 0.7
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.3
1.2 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.025