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S35045 Stainless Steel vs. N08925 Stainless Steel

Both S35045 stainless steel and N08925 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 82% of their average alloy composition in common.

For each property being compared, the top bar is S35045 stainless steel and the bottom bar is N08925 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
45
Fatigue Strength, MPa 170
310
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
80
Shear Strength, MPa 370
470
Tensile Strength: Ultimate (UTS), MPa 540
680
Tensile Strength: Yield (Proof), MPa 190
340

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 520
420
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 12
13
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 34
33
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 5.8
6.2
Embodied Energy, MJ/kg 83
84
Embodied Water, L/kg 230
200

Common Calculations

PREN (Pitting Resistance) 27
44
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
250
Resilience: Unit (Modulus of Resilience), kJ/m3 94
280
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
23
Strength to Weight: Bending, points 19
21
Thermal Diffusivity, mm2/s 3.2
3.5
Thermal Shock Resistance, points 12
15

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0.060 to 0.1
0 to 0.020
Chromium (Cr), % 25 to 29
19 to 21
Copper (Cu), % 0 to 0.75
0.8 to 1.5
Iron (Fe), % 29.4 to 42.6
42.7 to 50.1
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 32 to 37
24 to 26
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0.15 to 0.6
0