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AISI 309S Stainless Steel vs. S46800 Stainless Steel

Both AISI 309S stainless steel and S46800 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 82% 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 AISI 309S stainless steel and the bottom bar is S46800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 42
25
Fatigue Strength, MPa 210
160
Poisson's Ratio 0.27
0.28
Rockwell B Hardness 84
79
Shear Modulus, GPa 78
77
Shear Strength, MPa 400
300
Tensile Strength: Ultimate (UTS), MPa 580
470
Tensile Strength: Yield (Proof), MPa 230
230

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 440
500
Maximum Temperature: Mechanical, °C 1080
920
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
23
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 19
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.6
2.6
Embodied Energy, MJ/kg 51
37
Embodied Water, L/kg 170
130

Common Calculations

PREN (Pitting Resistance) 23
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
98
Resilience: Unit (Modulus of Resilience), kJ/m3 140
130
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 4.0
6.1
Thermal Shock Resistance, points 13
16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 22 to 24
18 to 20
Iron (Fe), % 58.1 to 66
76.5 to 81.8
Manganese (Mn), % 0 to 2.0
0 to 1.0
Nickel (Ni), % 12 to 15
0 to 0.5
Niobium (Nb), % 0
0.1 to 0.6
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.070 to 0.3