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EN 1.4446 Stainless Steel vs. N08031 Stainless Steel

Both EN 1.4446 stainless steel and N08031 stainless steel are iron alloys. They have 69% 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 EN 1.4446 stainless steel and the bottom bar is N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 23
45
Fatigue Strength, MPa 160
290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 490
730
Tensile Strength: Yield (Proof), MPa 240
310

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 410
460
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 14
12
Thermal Expansion, µm/m-K 16
18

Otherwise Unclassified Properties

Base Metal Price, % relative 22
39
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 4.5
7.1
Embodied Energy, MJ/kg 60
96
Embodied Water, L/kg 160
240

Common Calculations

PREN (Pitting Resistance) 34
52
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
270
Resilience: Unit (Modulus of Resilience), kJ/m3 140
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
25
Strength to Weight: Bending, points 17
22
Thermal Diffusivity, mm2/s 3.6
3.1
Thermal Shock Resistance, points 11
14

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 16.5 to 18.5
26 to 28
Copper (Cu), % 0
1.0 to 1.4
Iron (Fe), % 59.7 to 66.9
29 to 36.9
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 4.0 to 4.5
6.0 to 7.0
Nickel (Ni), % 12.5 to 14.5
30 to 32
Nitrogen (N), % 0.12 to 0.22
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.010