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EN 1.8891 Steel vs. N08031 Stainless Steel

Both EN 1.8891 steel and N08031 stainless 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 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.8891 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, % 19
45
Fatigue Strength, MPa 330
290
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
81
Shear Strength, MPa 380
510
Tensile Strength: Ultimate (UTS), MPa 610
730
Tensile Strength: Yield (Proof), MPa 480
310

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
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 46
12
Thermal Expansion, µm/m-K 13
18

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
39
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.7
7.1
Embodied Energy, MJ/kg 24
96
Embodied Water, L/kg 51
240

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
270
Resilience: Unit (Modulus of Resilience), kJ/m3 630
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
25
Strength to Weight: Bending, points 20
22
Thermal Diffusivity, mm2/s 12
3.1
Thermal Shock Resistance, points 18
14

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0 to 0.2
0 to 0.015
Chromium (Cr), % 0 to 0.3
26 to 28
Copper (Cu), % 0 to 0.7
1.0 to 1.4
Iron (Fe), % 95.2 to 99
29 to 36.9
Manganese (Mn), % 1.0 to 1.7
0 to 2.0
Molybdenum (Mo), % 0 to 0.1
6.0 to 7.0
Nickel (Ni), % 0 to 0.8
30 to 32
Niobium (Nb), % 0 to 0.050
0
Nitrogen (N), % 0 to 0.025
0.15 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 0.6
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0 to 0.030
0
Vanadium (V), % 0 to 0.2
0