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N08810 Stainless Steel vs. EN 1.4634 Stainless Steel

Both N08810 stainless steel and EN 1.4634 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 65% of their average alloy composition in common.

For each property being compared, the top bar is N08810 stainless steel and the bottom bar is EN 1.4634 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 33
21
Fatigue Strength, MPa 160
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 340
340
Tensile Strength: Ultimate (UTS), MPa 520
540
Tensile Strength: Yield (Proof), MPa 200
280

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 490
500
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1350
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
21
Thermal Expansion, µm/m-K 14
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 30
13
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.3
2.9
Embodied Energy, MJ/kg 76
42
Embodied Water, L/kg 200
140

Common Calculations

PREN (Pitting Resistance) 21
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
93
Resilience: Unit (Modulus of Resilience), kJ/m3 100
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 3.0
5.8
Thermal Shock Resistance, points 13
19

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0.2 to 1.5
Carbon (C), % 0.050 to 0.1
0 to 0.030
Chromium (Cr), % 19 to 23
17.5 to 18.5
Copper (Cu), % 0 to 0.75
0 to 0.5
Iron (Fe), % 39.5 to 50.7
74.9 to 81.8
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 30 to 35
0 to 0.5
Niobium (Nb), % 0
0.3 to 1.0
Phosphorus (P), % 0 to 0.045
0 to 0.050
Silicon (Si), % 0 to 1.0
0.2 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.050
Titanium (Ti), % 0.15 to 0.6
0