The chemical composition of 309H stainless steel tubing includes iron, chromium, nickel, carbon, manganese, silicon, phosphorus, and sulfur. Specifically, it contains approximately 22% chromium and 13% nickel. Additionally, it has a carbon content of 0.04 to 0.08%.
309H SS tubing is typically used for piping, tubing, and heat exchangers. Additionally, it’s often used for decorative purposes due to its corrosion resistance and strength. The 309H stainless steel tubing properties include good corrosion resistance at high temperatures, superior tensile strength, good formability and weldability, excellent oxidation resistance in both air and water environments, and strong mechanical properties.
FAQ's for Stainless Steel 309H Tubing
Common applications for stainless steel 309H tubing include heat exchangers, piping, and tubing. It’s also used in the production of decorative items due to its corrosion resistance and strength.
The tensile strength of stainless steel 309H tubing is generally good, exceeding 60 KSI even after long-term exposure to elevated temperatures.
Compared to other types of tubing, stainless steel 309H has superior corrosion resistance at high temperatures and excellent oxidation resistance in both air and water environments. Additionally, it boasts strong mechanical properties and good formability and weldability.
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