TP321 Seamless Pipe
Grade: TP321
Standards: ASTM A269, ASTM A213
Size: 2mm ~ 76mm
Applications:
Bright annealed tubes with no oxide layer, capable of withstanding high pressure without leaks, offering high precision, smooth surface finish, and resistance to deformation during cold bending. These tubes can be expanded and flattened without cracks, making them ideal for use in instrumentation, fluid systems, automotive, locomotive brake systems, gas equipment manufacturing, and laboratories.
321 Stainless Steel Pipe: The Ideal Choice for High-Temperature Applications
321 stainless steel pipe is a premium material known for its outstanding oxidation resistance and corrosion resistance, making it ideal for use in high-temperature environments. TP321 seamless pipes are crafted from a high-quality stainless steel alloy containing titanium, offering enhanced performance and stability at elevated temperatures.
The production process involves seamless pipe manufacturing, where a mandrel is used to create a pipe with no internal or external defects. This seamless process ensures that 321 stainless steel pipes have consistent wall thickness and diameter, making them more reliable and uniform compared to welded pipes.
Key Benefits of TP321 Seamless Pipes:
High-Temperature Resistance: One of the major advantages of TP321 seamless pipe is its ability to withstand high temperatures, making it an excellent choice for applications like furnace tubes, heat exchangers, and other high-temperature equipment.
Corrosion and Oxidation Resistance: 321 stainless steel pipes offer exceptional resistance to corrosion and oxidation, making them perfect for use in harsh environments where corrosion is a concern.
Strength and Durability: The premium stainless steel alloy used in 321 stainless steel pipes provides excellent strength and toughness, allowing the pipe to withstand high levels of stress and pressure without cracking or deforming.
Additionally, 321 stainless steel pipes are highly versatile and can be used across a wide range of industries. They are commonly used in the chemical and petrochemical industries, as well as for food processing equipment, medical devices, and aerospace components.
In summary, for those seeking a reliable and durable stainless steel pipe that can withstand high temperatures, corrosion, and pressure, 321 stainless steel pipe is an excellent choice. Its superior quality and performance make it a preferred option across a variety of industries and applications.
Chemical Composition:
Grade | C | Si | Mn | P | S | Ni | Cr | Ti |
321 | ≤0.08 | ≤1.00 | ≤2.0 | ≤0.045 | ≤0.030 | 9.0~12.0 | 17.0~19.0 | 5(C+N)~0.7 |
Mechanical Properties:
Specification One:
O.D. | O.D. | W.T. (A) | W.T. (B) |
|---|---|---|---|
In | mm | mm | mm |
1/4 | 6.35 | 0.89 | 1.00 |
3/8 | 9.53 | 0.89 | 1.00 |
1/2 | 12.70 | 1.24 | 1.00 |
5/8 | 15.88 | 1.24 | 1.00 |
3/4 | 19.05 | 1.65 | 1.24 |
1 | 25.40 | 1.65 | 1.24 |
1-1/2 | 38.10 | 1.65 | / |
2 | 50.80 | 1.65 | / |
2-1/2 | 63.50 | 1.65 | / |
3 | 76.20 | 1.65 | / |
4 | 101.60 | 2.11 | / |
5 | 127.00 | 2.77 | / |
6 | 152.40 | 2.77 | / |
Specification Two:
O.D. | O.D. | W.T. | W.T. |
|---|---|---|---|
/ | mm | Sch5S | Sch10S |
6A | 10.50 | 1.00 | 1.20 |
8A | 13.80 | 1.20 | 1.65 |
10A | 17.30 | 1.20 | 1.65 |
15A | 21.70 | 1.65 | 2.10 |
20A | 27.20 | 1.65 | 2.10 |
25A | 34.00 | 1.65 | 2.80 |
32A | 42.70 | 1.65 | 2.80 |
40A | 48.60 | 1.65 | 2.80 |
50A | 60.50 | 1.65 | 2.80 |
65A | 76.30 | 2.10 | 3.00 |
80A | 89.10 | 2.10 | 3.00 |
90A | 101.60 | 2.10 | 3.00 |
100A | 114.30 | 2.10 | 3.00 |
125A | 139.80 | 2.80 | 3.40 |
150A | 165.20 | 2.80 | 3.40 |
