TP321 Stainless Steel Tube

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Quick Details

  • Standard:JIS, AISI, ASTM, GB, DIN, EN

  • Place of Origin:Tianjin, China (Mainland)

  • Model Number:321,321L

  • Type:Welded

  • Steel Grade:300 Series

  • Application:decorating,chemical plants,construction industry

  • Certification:SGS

  • Thickness:0.08-12.8mm

  • Outer Diameter:0.25-50.8mm

  • name:tp321 stainless steel tube

  • MOQ:25 kgs

  • material:321,321L

  • O.D.:0.25-50.8mm

  • thickness:0.08-12.8mm

  • Certificate:BV

  • privilege:Sample cost free for VIP customer

  • Application:decorating,chemical plants,construction industry

  • Standard:ASTM,EN,JIS

  • Experience:20 years

Packaging & Delivery

Packaging Details:seaworthy wooden case packing or for customer's request
Delivery Detail:3-10 days


tp321 stainless steel tube
3.Sample cost free for VIP customers

321 stainless steel tube

1. WT: 0.08-12.8mm
2. OD: 0.25-50.8mm
3. MOQ: 25 kgs

4. Sample cost free for VIP customer  

Steel grade : 301(1Cr17Ni17),304 Moderate Frequency (0Cr18Ni9),304 AOD (0Cr18Ni9),304L(00Cr19Ni10) ,321 M oderate Frequ ency (1Cr18Ni9Ti),321 AOD (1Cr18Ni9Ti),316(0Cr17Ni12Mo2),316L(00Cr17Ni14Mo2),310S(0Cr25Ni20) ,317L(00Cr19Ni13Mo3)

Specification : GB/T14975-2002,GB/T14976-2002,GB13296-91,GB9948-88  ASTM/ASME A213/SA213,ASTM/ASME A312/SA312,ASTM/ASME A269/SA269,DIN 17458-85,DIN 17456-85,JIS G 3459,JIS G 3463,JIS G 3448 JIS G 3446.



FAQ of Stainless Pipe :  

How is the quality of your products?
    Our products are manufactured strictly according to national and internaional standard, and we take a test 
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

How about price?
    Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

Why should you chose us?
    Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

Any question, pls feel free to contact us !



Stainless Steel Tube Image



TP321 Stainless Steel Tube



Q:What materials are used in scaffolding pipes?
Fastener warranty information should be complete, enter the site should be carried out after re sampling technology, performance shall be in accordance with provisions of the "GB15831" steel pipe scaffold fastener, before use should be individually selected, cracks, deformation, bolt slide wire is strictly prohibited.
Steel pipes are generally more cost-effective compared to other materials, as they offer a combination of durability, strength, and affordability. While initial costs may vary depending on the specific type and size of the pipe, steel pipes are often more economical in the long run due to their longevity and low maintenance requirements. Additionally, steel pipes are readily available and widely used in various industries, making them a cost-efficient choice for many applications.
Yes, steel pipes can be used for irrigation pumps. Steel pipes are commonly used in irrigation systems due to their durability, strength, and resistance to corrosion. They can efficiently transport water from the pump to the irrigation fields, ensuring a reliable and long-lasting solution for irrigation needs.
Steel pipes can be protected against electromagnetic interference by using various techniques such as applying electromagnetic shielding coatings, implementing grounding measures, using insulating materials, and employing electromagnetic interference filters or suppressors. These methods help to minimize the impact of external electromagnetic fields on the steel pipes, ensuring their integrity and functionality.
Steel pipes are installed underground through a process called trenching, where a trench is dug to the desired depth and length. The steel pipes are then placed in the trench and secured using various techniques such as welding or threading. The trench is then backfilled, ensuring proper compaction around the pipes to provide stability and prevent movement.
Steel pipes are commonly used in the manufacturing of structural frameworks due to their strength and durability. They are used as structural members to support the weight of buildings, bridges, and other infrastructure. Steel pipes are often used as columns, beams, and braces to provide stability and load-bearing capacity to the structures. The pipes are typically welded or bolted together to create a rigid framework that can withstand heavy loads and structural forces.
Steel pipes are protected against galvanic corrosion through the use of sacrificial anodes, coatings, or the application of electrical currents. These methods create a barrier or redirect the corrosion process, preventing the steel pipes from deteriorating due to galvanic reactions.
Steel pipes are commonly insulated for thermal purposes using a variety of methods. One of the most common methods is to wrap the pipes with insulation material such as fiberglass, mineral wool, or foam. This insulation material acts as a barrier between the pipe and the surrounding environment, preventing heat transfer or loss. To properly insulate steel pipes, the insulation material is typically wrapped tightly around the pipe, ensuring that there are no gaps or openings for heat to escape. The insulation is then secured in place using adhesive tapes or metal bands. In addition to external insulation, pipes can also be internally insulated. This involves placing insulation material inside the pipe, creating a layer of protection against heat loss or gain. Internal insulation is commonly used in applications where the pipe carries hot fluids or gases. Furthermore, some steel pipes are designed with a built-in insulation layer. These pipes, known as pre-insulated pipes, have insulation material already integrated into the pipe structure. The insulation layer is typically made of foam or mineral wool and is covered with a protective outer layer, providing effective thermal insulation. Insulating steel pipes for thermal purposes is crucial in various industries, such as oil and gas, HVAC, and plumbing. Proper insulation helps to maintain the desired temperature of the fluid or gas flowing through the pipes, preventing energy loss and improving overall efficiency.
Steel pipes are used in the automotive exhaust system to transport and expel the exhaust gases from the engine. They are durable and resistant to high temperatures, making them suitable for this purpose. Steel pipes are often bent and welded together to form the exhaust system, ensuring a smooth flow of exhaust gases and minimizing any leaks.
Yes, steel pipes are highly recyclable. They can be melted down and repurposed into new steel products without losing their quality or strength. Recycling steel pipes not only conserves natural resources but also reduces energy consumption and greenhouse gas emissions associated with steel production.

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