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N08904 Stainless Steel vs. AISI 415 Stainless Steel

Both N08904 stainless steel and AISI 415 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is N08904 stainless steel and the bottom bar is AISI 415 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 38
17
Fatigue Strength, MPa 200
430
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 370
550
Tensile Strength: Ultimate (UTS), MPa 540
900
Tensile Strength: Yield (Proof), MPa 240
700

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 1100
780
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
24
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 32
11
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 5.8
2.5
Embodied Energy, MJ/kg 79
35
Embodied Water, L/kg 200
110

Common Calculations

PREN (Pitting Resistance) 37
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
140
Resilience: Unit (Modulus of Resilience), kJ/m3 150
1250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
32
Strength to Weight: Bending, points 18
26
Thermal Diffusivity, mm2/s 3.1
6.4
Thermal Shock Resistance, points 12
33

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.050
Chromium (Cr), % 19 to 23
11.5 to 14
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 38.8 to 53
77.8 to 84
Manganese (Mn), % 0 to 2.0
0.5 to 1.0
Molybdenum (Mo), % 4.0 to 5.0
0.5 to 1.0
Nickel (Ni), % 23 to 28
3.5 to 5.5
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.035
0 to 0.030