ASTM A213 TP321 SS Annealed Tube For Heat Exchanger

If you are looking for high-temperature resistant, corrosion-resistant, and precisely sized heat exchanger tubing, we offer ASTM A213 TP321 seamless stainless steel heat exchanger tubes, specifically designed for industries such as chemical, pharmaceutical, power generation, and food processing, ensuring long-term stable operation of equipment in high-temperature and corrosive environments.

Our ASTM A213 TP321 heat exchanger tubes are made from high-quality stainless steel materials and manufactured strictly according to ASTM A213 TP321 standards, guaranteeing excellent oxidation resistance and mechanical strength, making them ideal for high-temperature fluid heat exchange systems.

🔹Our Product Features

Material Standard: ASTM A213 TP321, oxidation-resistant and high-temperature resistant

Pipe Type: Seamless stainless steel tube, ensuring high strength and pressure resistance

Dimensional Accuracy: Outer diameter 3/4 inch, wall thickness 16 BWG, length 1500 mm

Manufacturing Process: Precision hot rolling and drawing, ensuring dimensional consistency

Quality Assurance: Every tube undergoes rigorous quality inspection

Wide Application: Suitable for chemical, food, pharmaceutical, power generation, and heat exchanger systems

Perfectly compatible with various heat exchanger designs, reducing installation and commissioning problems and improving system operating efficiency.

 

🔹ASTM A213 TP321 Stainless Steel Heat Exchanger Tube specification

Item	Description
Material Grade	ASTM A213 TP321
Tube Type	Seamless Stainless Steel Heat Exchanger Tube
Outside Diameter	3/4 inch
Wall Thickness	16 BWG (~1.52 mm)
Length	1500 mm
Manufacturing Process	Hot Finished / Cold Drawn (as required)
Heat Treatment	Solution Annealed (per ASTM standard)
End Type	Plain End
Surface Finish	Pickled / Polished (optional)
Inspection & Testing	Dimensional check, visual inspection, hydrostatic test (optional)
Typical Applications	Chemical, pharmaceutical, food processing, power plants, heat exchangers
Packing	Boxed / Wooden crates, suitable for export

 

🔹Chemical Composition

TP321 Chemical Composition(%)
Element	C	Si	Cr	Mn	P	Ni	Ti
Range	≤0.080	≤0.75	17.00-20.00	≤2.00	≤ 0.045	9.00-13.00	≥5*C

 

🔹Mechanical Properties

TP321 Mechanical Properties
Tensile Strength	Yield Strength	Hardness	Elongation
515MPa	≥205MPa	≤ 192HB	≥40%

 

ASTM A213 TP321/TP321H seamless boiler tubes are available in a full range of specifications, including various diameter and wall thickness combinations. Common specifications include Ф12-3, Ф14-4, Ф36-8, Ф40-8, Ф80-16, etc. These specifications represent a diameter range of 12 mm to 80 mm and a wall thickness range of 1 mm to 16 mm.

 

🔹Customer Case Study

Chemical Plant High-Temperature Heat Exchanger Project
The customer used our ASTM A213 TP321 seamless tubes in their high-temperature chemical liquid circulation system. The tubes operated continuously for one year at temperatures exceeding 200°C and remained intact and corrosion-free.

 

🔹Customer Feedback

"The TP321 seamless tubes are perfectly suited for our high-temperature heat exchanger application. Installation was quick and operation has been stable, and it passed third-party inspection successfully."
- Purchasing Manager, Food Processing Equipment Manufacturer

 

GNEE is a Chinese manufacturer of stainless steel tubing. We supply seamless ferritic and austenitic alloy steel boiler, superheater, and heat exchanger tubes conforming to ASTM A213 standards, widely used in various industries. In addition to 321/321H stainless steel, we also offer 304/304L, 316/316L, 347/347H, 904L, and duplex stainless steel. 317/317L seamless tubes are manufactured from stainless steel billets through cold drawing and cold rolling processes, followed by heat treatment and other procedures to produce seamless tubes according to specifications. For specific applications, we can provide U-bent tubes and bright annealed finished tubes upon request.

 

Packaging and Marking:
The products shall be packaged in bundles or plywood crates, wrapped in plastic, and protected with appropriate measures to ensure seaworthy transportation or as required.
Markings shall conform to the requirements of specification A1016/A1016M, and shall include whether the tubing is hot-worked or cold-worked, including but not limited to: standard, grade, size, heat number, and lot number.