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N08904 Stainless Steel vs. EN 1.4621 Stainless Steel

Both N08904 stainless steel and EN 1.4621 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is N08904 stainless steel and the bottom bar is EN 1.4621 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 38
25
Fatigue Strength, MPa 200
190
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 79
78
Shear Strength, MPa 370
320
Tensile Strength: Ultimate (UTS), MPa 540
500
Tensile Strength: Yield (Proof), MPa 240
270

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 430
510
Maximum Temperature: Mechanical, °C 1100
970
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
21
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 32
14
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 5.8
2.8
Embodied Energy, MJ/kg 79
41
Embodied Water, L/kg 200
140

Common Calculations

PREN (Pitting Resistance) 37
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 150
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
18
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 3.1
5.7
Thermal Shock Resistance, points 12
17

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 19 to 23
20 to 21.5
Copper (Cu), % 1.0 to 2.0
0.1 to 1.0
Iron (Fe), % 38.8 to 53
74.4 to 79.7
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 23 to 28
0
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0 to 0.1
0 to 0.030
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015