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AISI 309S Stainless Steel vs. SAE-AISI 1064 Steel

Both AISI 309S stainless steel and SAE-AISI 1064 steel are iron alloys. They have 63% of their average alloy composition in common. There are 32 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 AISI 309S stainless steel and the bottom bar is SAE-AISI 1064 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 42
12 to 13
Fatigue Strength, MPa 210
300
Poisson's Ratio 0.27
0.29
Reduction in Area, % 51
42 to 43
Shear Modulus, GPa 78
72
Shear Strength, MPa 400
430 to 440
Tensile Strength: Ultimate (UTS), MPa 580
720 to 730
Tensile Strength: Yield (Proof), MPa 230
470 to 480

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1080
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.4
Embodied Energy, MJ/kg 51
19
Embodied Water, L/kg 170
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
79 to 81
Resilience: Unit (Modulus of Resilience), kJ/m3 140
600 to 630
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
25 to 26
Strength to Weight: Bending, points 20
23
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 13
25

Alloy Composition

Carbon (C), % 0 to 0.080
0.6 to 0.7
Chromium (Cr), % 22 to 24
0
Iron (Fe), % 58.1 to 66
98.4 to 98.9
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Nickel (Ni), % 12 to 15
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.75
0
Sulfur (S), % 0 to 0.030
0 to 0.050