Product Introduction
TP321 stainless steel pipe is a high-temperature and corrosion-resistant austenitic stainless steel pipe suitable for high-temperature pipeline transportation in petrochemical, boiler, and chemical equipment.
Product Parameters
|
Product Name |
ASTM A312 TP321 Stainless Steel Pipe |
|
Out Diameter |
19-813mm |
|
Wall Thickness |
0.5-60mm |
|
Material Standard |
ASTM A312 |
|
Steel Grade |
ASTM A312 TP321 |
|
Surface |
Pickling, Solid solution, Polishing |
|
Packing |
Plastic Film, Plastic Cap, Bundle, Woven bag, Wooden Case, Iron Frame |
|
Delivery |
Within 3 days with stock, 15-50 days based on production |
|
Payment |
T/T, D/P, L/C at sight, Usance L/C etc. |
Chemical Requirements
|
Grade |
C |
Mn |
P |
S |
Si |
Cr |
Ni |
N |
Ti |
|
TP321 |
0.08max |
2.00max |
0.045max |
0.030max |
1.00max |
17.00-19.00 |
9.00-12.00 |
0.10max |
5(C+N)-0.70 |
Mechanical Property
|
Grade |
Tensile strength Min Ksi(Mpa) |
Yield strength Min Ksi(Mpa) |
Elongation % min |
|
TP321 |
70(485) |
25(170) |
35 |
Product Features
High-Temperature Stability
TP321 stainless steel pipe utilizes ASTM A312 TP321 steel, offering long-term temperature resistance up to 870°C. Its service life in thermal energy equipment is over five years longer than that of standard 304 pipe.
Corrosion Resistance
This pipe exhibits strong corrosion resistance in acidic and oxidizing media, extending its service life by 30% compared to TP304 in sulfur-containing environments.
High Strength
With a tensile strength of ≥485 MPa and a yield strength of ≥170 MPa, it can withstand high-pressure steam and fluid transport.
Product Application
Petrochemical Industry
In petrochemical plants, TP321 stainless steel pipe is primarily used to transport sulfur-containing or acidic high-temperature media.
Power Industry
In thermal and nuclear power plants, TP321 stainless steel pipe is widely used in boiler superheaters and heat exchangers.
Aerospace Industry
In aircraft engine fuel systems, TP321 stainless steel pipe is used to transport high-temperature fuel.
Food and Pharmaceutical Industry
TP321 stainless steel pipe is used to transport steam and fluids in high-cleanliness production lines.
Top 4 Strengths of Hebei Yongqiang Pipeline Co., Ltd.
We are a Chinese steel pipe manufacturer established in 2006.
We offer stainless steel pipe, alloy steel pipe, duplex steel pipe, pipe fittings, and flanges.
We hold over 60 utility model patents.
Our products are exported to the Middle East, South America, Southeast Asia, and other regions.
Product Show
Strict quality control is the lifeline of our enterprise. Our company's stainless steel pipes undergo comprehensive inspections throughout the entire process, from raw materials procurement and production to processing, appearance, dimensions, hydraulic testing, flaw detection, packaging, with each step overseen by specialized inspectors.
Product Packing
Polished stainless steel pipes should be individually wrapped with plastic film before bundling; cold-drawn or cold-rolled stainless steel pipes should be tightly wrapped with no fewer than two layers of sackcloth, braided tape, or plastic cloth before bundling. Protective material must be placed between the stainless steel pipe and the steel strip or wire.
Why Choose us
- We have a professional team of technical staff who can address various product inquiries and concerns.
- Over the years, we have maintained strong and close partnerships with major steel pipe manufacturers and distributors in China, allowing us to meet diverse customer product needs. To ensure product quality, we can engage third-party organizations for product testing.
- We possess complete production capabilities to meet your delivery requirements.
- We adhere to a rigorous professional testing process encompassing raw material testing, production line testing, finished product testing, and packaging testing.
Feel free to contact us if you require ASTM A312 TP321 stainless steel pipes.
Email: johnny@yqpipeline.com
WhatsApp: +86 15632733100
Tel: +86 317 6376727
Frequently Asked Questions
1. What is a TP321 Stainless Steel Pipe?
The grade 321 stainless steel pipe is austenitic steel that is stabilized with titanium. The titanium stabilization provides the material with good corrosion resistance. The Titanium also limits the usage as welding consumable because Titanium does not transfer well over an electric arc welding procedure.
2. How does TP321 stainless steel differ from other types of stainless steel?
The difference is that grade 321 has almost five times as much titanium as other alloy grades in carbon content. The rate of carbide precipitation in Stainless Steel TP 321 Pipes is significantly reduced by the addition of titanium to the alloy, particularly during welding operations.
3. What are the key benefits of using TP321 stainless steel pipes?
Tp321 which has higher creep strength as well as stress rupture properties. In addition, the 321 Stainless Steel Pipe has good toughness properties even at lower temperatures.
4. Can TP321 stainless steel pipes withstand high temperatures?
Also referred to as by its trade name UNS S32100, stainless steel grade ASTM A312 Tp321 is a titanium stabilized alloy. The SS 321 Welded Pipe produced under specification ASTM A312 has been designed to resist intergranular corrosion, especially in high temperature settings.
5. What makes TP321 stainless steel pipes suitable for oil and gas applications?
Alloy 321 is a titanium-stabilized austenitic SS known for its superior general corrosion resistance. It performs exceptionally well against intergranular corrosion, even when exposed to temperatures between 427°C and 816°C where chromium carbide precipitation occurs.
6. Are TP321 stainless steel pipes resistant to corrosion?
Also referred to as by its trade name UNS S32100, stainless steel grade ASTM A312 Tp321 is a titanium stabilized alloy. The SS 321 Welded Pipe produced under specification ASTM A312 has been designed to resist intergranular corrosion, especially in high temperature settings.
7. How do TP321 stainless steel pipes perform in harsh chemical environments?
SS 321 seamless pipe is composed of chromium 17-19% and 9-12% nickel in highest quantities in their chemical properties which makes them highly resistant to various aggressive corrosions and oxidation. The pipes provide efficient flow of oil, gas, steam and fluids.
8. What are the advantages of TP321 stainless steel pipes over carbon steel pipes?
The difference is that grade 321 has almost five times as much titanium as other alloy grades in carbon content. The rate of carbide precipitation in Stainless Steel TP 321 Pipes is significantly reduced by the addition of titanium to the alloy, particularly during welding operations.
9. What standards and specifications apply to TP321 stainless steel pipes?
This standard covers seamless pipe form NPS 1/2 to NPS 30. Its outside diameter in inch is form 0.405 to 30. Usually we use schedule to refer to the wall thickness of a pipe. The schedules are Sch 5S, 10S, 40S and 80S.
10. Can TP321 stainless steel pipes be used in food and beverage processing industries?
Our A312 Tp 321h products are of superior quality and are tested to the international standards. Our products are used in laboratory equipment, architectural applications in marine environments, food processing industry, and in some chemical processing industries as well.
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