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N08031 Stainless Steel vs. EN 1.4618 Stainless Steel

Both N08031 stainless steel and EN 1.4618 stainless steel are iron alloys. They have 58% of their average alloy composition in common. There are 30 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 1.4618 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
51
Fatigue Strength, MPa 290
240 to 250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 510
480 to 500
Tensile Strength: Ultimate (UTS), MPa 730
680 to 700
Tensile Strength: Yield (Proof), MPa 310
250 to 260

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 460
410
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1390
1360
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 18
16

Otherwise Unclassified Properties

Base Metal Price, % relative 39
13
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 7.1
2.7
Embodied Energy, MJ/kg 96
39
Embodied Water, L/kg 240
150

Common Calculations

PREN (Pitting Resistance) 52
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
270 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 230
160 to 170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
24 to 25
Strength to Weight: Bending, points 22
22 to 23
Thermal Diffusivity, mm2/s 3.1
4.0
Thermal Shock Resistance, points 14
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.1
Chromium (Cr), % 26 to 28
16.5 to 18.5
Copper (Cu), % 1.0 to 1.4
1.0 to 2.5
Iron (Fe), % 29 to 36.9
62.7 to 72.5
Manganese (Mn), % 0 to 2.0
5.5 to 9.5
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 30 to 32
4.5 to 5.5
Nitrogen (N), % 0.15 to 0.25
0 to 0.15
Phosphorus (P), % 0 to 0.020
0 to 0.070
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.010