TP321 Stainless Steel Tube

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Loading Port:: China Main Port

Payment Terms:: TT or LC

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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

Specifications

tp321 stainless steel tube
1.WT:0.08-12.8mm
2.OD:0.25-50.8mm
3.Sample cost free for VIP customers
4.MOQ:25kgs

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 :

①How 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.

②How 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.

③Why 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: How are steel pipes protected against electrolytic corrosion?: Various methods can be employed to safeguard steel pipes against electrolytic corrosion. One commonly utilized approach involves the application of protective coatings on the pipe's surface. These coatings serve as a barrier, effectively preventing direct contact between the steel and the surrounding environment, which may contain moisture and other corrosive substances. Epoxy, polyethylene, and zinc are frequently employed coatings for this purpose. Another means of protection involves the utilization of sacrificial anodes. These anodes, typically fabricated from a metal that exhibits greater reactivity than steel, such as zinc or aluminum, are affixed to the steel pipes. Over time, as these anodes corrode, they willingly sacrifice themselves in order to shield the steel. This process, known as cathodic protection, is exceptionally successful in deterring electrolytic corrosion. Aside from coatings and sacrificial anodes, proper insulation and electrical isolation play a pivotal role in preventing electrolytic corrosion of steel pipes. Insulating materials, such as rubber or plastic sleeves, are employed to prevent direct contact between the pipes and other metals or electrolytes. Electrical isolation can be achieved through the use of dielectric unions or insulating flanges, which effectively obstruct the flow of electric current between different sections of the pipeline. Furthermore, regular maintenance and inspection are essential components of protecting steel pipes against electrolytic corrosion. Regular checks to assess coating integrity, anode condition, and potential electrical leakage are crucial in maintaining the ongoing efficacy of the corrosion protection system. In conclusion, a combination of protective coatings, sacrificial anodes, insulation, electrical isolation, and regular maintenance is indispensable in safeguarding steel pipes against electrolytic corrosion. By implementing these measures, the lifespan of steel pipes can be substantially prolonged, thereby ensuring the safety and reliability of various applications, including water distribution, oil and gas transportation, and structural support in buildings and infrastructure.

Q: How are steel pipes coated for protection?: Steel pipes are commonly coated for protection through a process called galvanization. This involves immersing the pipes in a bath of molten zinc, creating a protective layer that prevents corrosion and extends their lifespan. Additionally, other methods such as epoxy coatings or polyethylene wrappings can be used to provide additional protection against external factors.

Q: What is the compressive strength of steel pipes?: The compressive strength of steel pipes can vary due to several factors, including the grade of steel, the manufacturing process, and the dimensions of the pipes. On average, steel pipes have a compressive strength ranging from 250 MPa to 650 MPa. The higher the grade of steel used, the greater the compressive strength tends to be. Moreover, larger diameter pipes typically exhibit a higher compressive strength compared to smaller ones. It's worth noting that the compressive strength of steel pipes can also be affected by temperature, corrosion, and external loads. Therefore, it is essential to refer to specific standards, specifications, or manufacturer's data to obtain accurate and detailed information about the compressive strength of a particular steel pipe.

Q: How are steel pipes used in sewage treatment plants?: Steel pipes are commonly used in sewage treatment plants to transport wastewater, sludge, and other fluids throughout the facility. They provide a durable and corrosion-resistant solution for the harsh environments found in these plants. Steel pipes are used for various purposes, such as conveying raw sewage, distributing treated water, and carrying sludge for disposal or further processing.

Q: How are steel pipes handled and transported safely?: Steel pipes are handled and transported safely through a combination of proper lifting and handling techniques, secure packaging, and appropriate transportation equipment. Before transportation, pipes are bundled, strapped, or put into crates to prevent any movement or damage during transit. Special lifting equipment such as cranes or forklifts are used to handle them, ensuring that proper weight distribution and balance are maintained. Additionally, securing the pipes to flatbed trucks or using specialized pipe carriers prevents them from rolling or shifting during transportation. Regular inspections, adherence to safety regulations, and trained personnel play a vital role in ensuring the safe handling and transportation of steel pipes.

Q: Can steel pipes be used for transporting liquids and gases?: Indeed, both liquids and gases can be transported using steel pipes. Renowned for their durability, strength, and resistance to corrosion, steel pipes are highly appropriate for various purposes, including the conveyance of fluids and gases. Industries like oil and gas, water supply, sewage systems, and chemical processing plants frequently employ steel pipes due to their reliability and efficiency in transporting liquids and gases across extensive distances. As a result, the transportation of these substances is accomplished securely and efficiently with the aid of steel pipes.

Q: What are the challenges faced in transporting steel pipes?: There are several challenges faced in transporting steel pipes. Firstly, their sheer weight and size make it difficult to handle and transport them. Specialized equipment and vehicles are required to lift and transport these heavy pipes safely. Secondly, steel pipes are susceptible to damage during transportation. They can get scratched, dented, or bent, which can compromise their structural integrity. Proper packaging and securement are crucial to prevent any damage during transit. Additionally, due to their length, steel pipes may exceed the legal limits for road transportation, requiring special permits and escorts. Lastly, ensuring timely delivery and coordination between multiple parties involved in the transportation process can be a logistical challenge.

Q: How are steel pipes used in the manufacturing of food processing equipment?: Steel pipes are commonly used in the manufacturing of food processing equipment due to their durability, corrosion resistance, and ability to handle high temperatures. They are used to transport liquids, gases, and food products within the equipment, ensuring hygienic and efficient operation. Additionally, steel pipes can be easily cleaned and sanitized, making them ideal for maintaining food safety standards in the manufacturing process.

Q: What place must use galvanized steel pipe to make lighting line?: Galvanized pipe for pipeline laying construction and transformation of lighting, power, telephone, fire protection system in the engineering (made of galvanized steel), for laying, laying can be laid in the dark, the wall can also be installed on the ceiling.

Q: How are steel pipes protected against internal scaling?: Internal coating or lining is a process employed to safeguard steel pipes from internal scaling. This entails applying a protective layer on the inside of the pipe to prevent the formation of scales or deposits. Multiple techniques are utilized for this purpose. One prevalent approach is the application of epoxy coatings. Epoxy, a resilient and corrosion-resistant material, forms a continuous barrier on the pipe's interior. It effectively hinders the accumulation of minerals and other substances that contribute to scaling. Epoxy coatings are commonly sprayed or brushed onto the inner surface of the pipe and then hardened to create a durable and smooth finish. Cement mortar lining is another method used to protect steel pipes from internal scaling. This involves applying a layer of cement mortar to the pipe's interior. The cement mortar acts as a barrier against scaling and offers additional corrosion protection. This lining process is typically employed for large-diameter pipes utilized in water distribution systems. Polyethylene (PE) lining is yet another technique deployed to safeguard steel pipes against internal scaling. PE lining necessitates the insertion of a high-density polyethylene liner into the pipe. This liner acts as a barrier against scaling and enhances fluid flow by reducing friction. PE lining is frequently used in applications that require a smooth interior surface, such as oil and gas pipelines. Apart from these methods, regular maintenance and cleaning of the pipes can also aid in preventing internal scaling. This may involve using chemical cleaning agents or mechanical cleaning techniques to eliminate any deposits that have formed on the pipe's interior surface. Overall, safeguarding steel pipes against internal scaling is vital to maintain their efficiency and prolong their lifespan. By employing various coating and lining methods, along with implementing appropriate maintenance practices, the risk of internal scaling can be significantly diminished.

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