What is ASTM A213 TP309 seamless tube?
ASTM A213 TP309 seamless tubes are high-quality alloy steel tubes designed for use in high-temperature environments like boilers, superheaters, and heat exchangers. Specifically crafted from grade 309 stainless steel, these tubes boast exceptional resistance to oxidation and high-temperature corrosion due to their chromium and nickel content. The "seamless" attribute ensures theyre manufactured without welding seams, enhancing their structural integrity and resistance to leakage under extreme conditions. These tubes find widespread application across industries requiring robust performance in corrosive and high-temperature settings, including petrochemical, power generation, and chemical processing sectors.
The chemical composition of ASTM A213 TP309 Seamless Tube is as follows:
Carbon (C): 0.08 max
Manganese (Mn): 2.00 max
Phosphorus (P): 0.045 max
Sulfur (S): 0.030 max
Silicon (Si): 0.75 max
Chromium (Cr): 22.0-24.0
Nickel (Ni): 12.0-15.0
The mechanical properties of ASTM A213 TP309 Seamless Tube are as follows:
Tensile Strength: 515 MPa (75,000 psi) minimum
Yield Strength: 205 MPa (30,000 psi) minimum
Elongation: 40% minimum
Hardness: Brinell 217 maximum, Rockwell B 95 maximum
ASTM A213 TP309 seamless tube usages:
The TP309 is designed to have high-temperature strength, resistance to oxidation, and excellent heat resistance.
The seamless tube produced according to this specification is suitable for use in high-temperature applications such as in petrochemical plants, power plants, and refineries, where elevated temperatures and high pressures are common.
The ASTM A213 TP309 seamless tube is available in a range of sizes and thicknesses, and can also be customized to meet specific requirements. It is manufactured using various techniques such as cold-drawing, hot-finished, and cold-finished methods.
It is important to note that this specification only covers the manufacturing of the tube and does not include any guidelines for the design or installation of the tube in a given application. It is recommended to consult with a qualified engineer or professional before selecting or using this product in any specific application.
ASTM A213 TP309 seamless tube |
