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N08031 Stainless Steel vs. EN 1.4581 Stainless Steel

Both N08031 stainless steel and EN 1.4581 stainless steel are iron alloys. They have 66% of their average alloy composition in common. 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 N08031 stainless steel and the bottom bar is EN 1.4581 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
28
Fatigue Strength, MPa 290
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
78
Tensile Strength: Ultimate (UTS), MPa 730
510
Tensile Strength: Yield (Proof), MPa 310
210

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 460
490
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 18
16

Otherwise Unclassified Properties

Base Metal Price, % relative 39
21
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 7.1
4.2
Embodied Energy, MJ/kg 96
59
Embodied Water, L/kg 240
160

Common Calculations

PREN (Pitting Resistance) 52
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
120
Resilience: Unit (Modulus of Resilience), kJ/m3 230
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
18
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 3.1
3.9
Thermal Shock Resistance, points 14
12

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.070
Chromium (Cr), % 26 to 28
18 to 20
Copper (Cu), % 1.0 to 1.4
0
Iron (Fe), % 29 to 36.9
61.4 to 71
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 6.0 to 7.0
2.0 to 2.5
Nickel (Ni), % 30 to 32
9.0 to 12
Niobium (Nb), % 0
0 to 1.0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.030