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N08031 Stainless Steel vs. EN 1.4557 Stainless Steel

Both N08031 stainless steel and EN 1.4557 stainless steel are iron alloys. They have 80% 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 1.4557 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
40
Fatigue Strength, MPa 290
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 730
560
Tensile Strength: Yield (Proof), MPa 310
300

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 460
420
Maximum Temperature: Mechanical, °C 1100
1090
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 460
460
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 18
17

Otherwise Unclassified Properties

Base Metal Price, % relative 39
29
Density, g/cm3 8.1
8.0
Embodied Carbon, kg CO2/kg material 7.1
5.6
Embodied Energy, MJ/kg 96
76
Embodied Water, L/kg 240
190

Common Calculations

PREN (Pitting Resistance) 52
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
190
Resilience: Unit (Modulus of Resilience), kJ/m3 230
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25
19
Strength to Weight: Bending, points 22
19
Thermal Diffusivity, mm2/s 3.1
4.0
Thermal Shock Resistance, points 14
12

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.020
Chromium (Cr), % 26 to 28
19.5 to 20.5
Copper (Cu), % 1.0 to 1.4
0.5 to 1.0
Iron (Fe), % 29 to 36.9
49.5 to 56.3
Manganese (Mn), % 0 to 2.0
0 to 1.2
Molybdenum (Mo), % 6.0 to 7.0
6.0 to 7.0
Nickel (Ni), % 30 to 32
17.5 to 19.5
Nitrogen (N), % 0.15 to 0.25
0.18 to 0.24
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.010