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S35315 Stainless Steel vs. S44800 Stainless Steel

Both S35315 stainless steel and S44800 stainless steel are iron alloys. Both are furnished in the annealed condition. 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 S35315 stainless steel and the bottom bar is S44800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 46
23
Fatigue Strength, MPa 280
300
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
82
Shear Strength, MPa 520
370
Tensile Strength: Ultimate (UTS), MPa 740
590
Tensile Strength: Yield (Proof), MPa 300
450

Thermal Properties

Latent Heat of Fusion, J/g 330
300
Maximum Temperature: Corrosion, °C 450
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1370
1460
Melting Onset (Solidus), °C 1330
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 34
19
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.7
3.8
Embodied Energy, MJ/kg 81
52
Embodied Water, L/kg 220
190

Common Calculations

PREN (Pitting Resistance) 27
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
120
Resilience: Unit (Modulus of Resilience), kJ/m3 230
480
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 3.1
4.6
Thermal Shock Resistance, points 17
19

Alloy Composition

Carbon (C), % 0.040 to 0.080
0 to 0.010
Cerium (Ce), % 0.030 to 0.1
0
Chromium (Cr), % 24 to 26
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 33.6 to 40.6
62.6 to 66.5
Manganese (Mn), % 0 to 2.0
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 34 to 36
2.0 to 2.5
Nitrogen (N), % 0.12 to 0.18
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.2 to 2.0
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.020