Product description:
product details
309S is an austenitic chromium-nickel stainless steel commonly used in high temperature applications. The high chromium and nickel content of 309S give it good corrosion resistance, while the low carbon content helps prevent carbide precipitation during welding. This makes 309S an ideal choice for many furnace and boiler applications.
chemical properties
Carbon C: ≤0.08
Manganese Mn: ≤2.00
Silicon Si: ≤1.00
Chromium Cr: 22.0-24.0
Nickel Ni: 12.0-15.0
Phosphorus P: ≤0.045
Sulfur S: ≤0.030
Nitrogen N: 0.10~0.16
mechanical property
The mechanical properties of 309S stainless steel are as follows:
Yield strength: ≧205
Tensile strength: ≧520
Elongation after breaking: ≧40
Hv:≦200
Density 7.89G/cm³
Melting point: 1480-1530 degrees Celsius
Annealing temperature: 1000-1150 degrees Celsius
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