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S34565 Stainless Steel vs. S44626 Stainless Steel

Both S34565 stainless steel and S44626 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 74% of their average alloy composition in common. There are 34 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 S34565 stainless steel and the bottom bar is S44626 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 39
23
Fatigue Strength, MPa 400
230
Poisson's Ratio 0.28
0.27
Rockwell B Hardness 88
83
Shear Modulus, GPa 80
80
Shear Strength, MPa 610
340
Tensile Strength: Ultimate (UTS), MPa 900
540
Tensile Strength: Yield (Proof), MPa 470
350

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 450
560
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 15
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 28
14
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 5.3
2.9
Embodied Energy, MJ/kg 73
42
Embodied Water, L/kg 210
160

Common Calculations

PREN (Pitting Resistance) 47
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
110
Resilience: Unit (Modulus of Resilience), kJ/m3 540
300
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 32
19
Strength to Weight: Bending, points 26
19
Thermal Diffusivity, mm2/s 3.2
4.6
Thermal Shock Resistance, points 22
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 23 to 25
25 to 27
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 43.2 to 51.6
68.1 to 74.1
Manganese (Mn), % 5.0 to 7.0
0 to 0.75
Molybdenum (Mo), % 4.0 to 5.0
0.75 to 1.5
Nickel (Ni), % 16 to 18
0 to 0.5
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0.4 to 0.6
0 to 0.040
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 0
0.2 to 1.0