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EN 1.7366 Steel vs. N08031 Stainless Steel

Both EN 1.7366 steel and N08031 stainless steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.7366 steel and the bottom bar is N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 17 to 19
45
Fatigue Strength, MPa 160 to 320
290
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
81
Shear Strength, MPa 290 to 440
510
Tensile Strength: Ultimate (UTS), MPa 460 to 710
730
Tensile Strength: Yield (Proof), MPa 230 to 480
310

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 510
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 40
12
Thermal Expansion, µm/m-K 13
18

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
39
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.7
7.1
Embodied Energy, MJ/kg 23
96
Embodied Water, L/kg 69
240

Common Calculations

PREN (Pitting Resistance) 6.8
52
Resilience: Ultimate (Unit Rupture Work), MJ/m3 74 to 110
270
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 600
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 16 to 25
25
Strength to Weight: Bending, points 17 to 23
22
Thermal Diffusivity, mm2/s 11
3.1
Thermal Shock Resistance, points 13 to 20
14

Alloy Composition

Carbon (C), % 0 to 0.18
0 to 0.015
Chromium (Cr), % 4.0 to 6.0
26 to 28
Copper (Cu), % 0
1.0 to 1.4
Iron (Fe), % 91.9 to 95.3
29 to 36.9
Manganese (Mn), % 0.3 to 0.8
0 to 2.0
Molybdenum (Mo), % 0.45 to 0.65
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), % 0 to 0.4
0 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.010