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N08031 Stainless Steel vs. EN 1.4451 Stainless Steel

Both N08031 stainless steel and EN 1.4451 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is N08031 stainless steel and the bottom bar is EN 1.4451 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
25
Fatigue Strength, MPa 290
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 730
750
Tensile Strength: Yield (Proof), MPa 310
540

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 460
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 18
17

Otherwise Unclassified Properties

Base Metal Price, % relative 39
20
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 7.1
3.8
Embodied Energy, MJ/kg 96
53
Embodied Water, L/kg 240
190

Common Calculations

PREN (Pitting Resistance) 52
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
170
Resilience: Unit (Modulus of Resilience), kJ/m3 230
710
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
27
Strength to Weight: Bending, points 22
23
Thermal Diffusivity, mm2/s 3.1
4.5
Thermal Shock Resistance, points 14
16

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.030
Chromium (Cr), % 26 to 28
25 to 27
Copper (Cu), % 1.0 to 1.4
2.8 to 3.5
Iron (Fe), % 29 to 36.9
56.2 to 64.6
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 6.0 to 7.0
2.5 to 3.5
Nickel (Ni), % 30 to 32
5.0 to 7.0
Nitrogen (N), % 0.15 to 0.25
0.12 to 0.22
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.025