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EN 1.7108 Steel vs. N08031 Stainless Steel

Both EN 1.7108 steel and N08031 stainless steel are iron alloys. They have a modest 34% 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 EN 1.7108 steel and the bottom bar is N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
81
Tensile Strength: Ultimate (UTS), MPa 670 to 2070
730

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Mechanical, °C 410
1100
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 46
12
Thermal Expansion, µm/m-K 13
18

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
39
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 1.5
7.1
Embodied Energy, MJ/kg 20
96
Embodied Water, L/kg 47
240

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 75
25
Strength to Weight: Bending, points 22 to 47
22
Thermal Diffusivity, mm2/s 12
3.1
Thermal Shock Resistance, points 20 to 63
14

Alloy Composition

Carbon (C), % 0.57 to 0.65
0 to 0.015
Chromium (Cr), % 0.2 to 0.45
26 to 28
Copper (Cu), % 0
1.0 to 1.4
Iron (Fe), % 95.9 to 96.9
29 to 36.9
Manganese (Mn), % 0.7 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0
30 to 32
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 1.6 to 2.0
0 to 0.3
Sulfur (S), % 0 to 0.025
0 to 0.010