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N08904 Stainless Steel vs. S33425 Stainless Steel

Both N08904 stainless steel and S33425 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 92% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is N08904 stainless steel and the bottom bar is S33425 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 38
45
Fatigue Strength, MPa 200
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
79
Shear Strength, MPa 370
400
Tensile Strength: Ultimate (UTS), MPa 540
580
Tensile Strength: Yield (Proof), MPa 240
230

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 430
500
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
14
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 32
27
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 5.8
5.1
Embodied Energy, MJ/kg 79
71
Embodied Water, L/kg 200
190

Common Calculations

PREN (Pitting Resistance) 37
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
210
Resilience: Unit (Modulus of Resilience), kJ/m3 150
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
20
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 3.1
3.7
Thermal Shock Resistance, points 12
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.020
0 to 0.080
Chromium (Cr), % 19 to 23
21 to 23
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 38.8 to 53
47.2 to 56.7
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 4.0 to 5.0
2.0 to 3.0
Nickel (Ni), % 23 to 28
20 to 23
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.020
Titanium (Ti), % 0
0.15 to 0.6