321 Stainless Steel Pipe
1. Free samples are available upon request.
2. Factory-direct supply with competitive pricing, stable quality, and reliable delivery.
3. Certified by ISO 9001, CE, and SGS to ensure international quality standards.
4. All steel products are backed by a 2-year quality warranty for your peace of mind.
5. With years of manufacturing experience and strict quality control, we are committed to providing premium steel products and professional service. Contact us today for competitive prices and customized solutions!



Stainless steel pipe is produced from stainless steel alloys containing iron, chromium, nickel, and other alloying elements that provide superior corrosion resistance and mechanical performance. Depending on the application, the pipe is manufactured as either seamless or welded. Seamless pipes are formed by piercing solid billets and hot rolling or cold drawing, while welded pipes are produced by forming stainless steel strips into tubes and welding the edges. After forming, the pipes undergo heat treatment, polishing, sizing, inspection, and pressure testing to ensure high product quality.
| Name | Stainless Steel Pipe |
| Material | 200 series,300 series,400 series |
| Standard | ASTM A213,A312,ASTM A269,ASTM A778,ASTM A789,DIN 17456, DIN17457,DIN 17459,JIS G3459,JIS G3463,GOST9941,EN10216, BS3605, |
| Surface | Polishing,annealing,pickling,bright |
| stainless steel round pipe/tube | Outer diameter: 6mm-2500mm (3/8″-100″)
Wall thickness: 1mm-150mm(SCH10-XXS) |
| stainless steel square pipe/tube | Wall thickness: 1mm-150mm(SCH10-XXS) |
| Outer diameter: 4mm*4mm-800mm*800mm | |
| stainless steel rectangular pipe/tube | Wall thickness: 1mm-150mm(SCH10-XXS)
Outer diameter: 4mm*4mm-800mm*800mm |
| Length | 4000mm,5800mm,6000mm,12000mm,or as required. |

Stainless steel pipes provide outstanding corrosion resistance, excellent strength, and reliable performance under high temperatures and pressures. They also offer smooth internal surfaces, hygienic properties, and long service life with minimal maintenance. These pipes are widely used in water supply systems, food and beverage processing, pharmaceutical production, petrochemical plants, heat exchangers, construction, marine engineering, and industrial piping systems. Their durability and versatility make them an essential material across numerous industries.


Our products are manufactured under strict quality control standards to ensure superior performance and consistent quality. Unlike poorly managed suppliers, our steel products are neatly stacked for safe storage and efficient transportation, reducing the risk of damage during handling. Every product is made from carefully selected high-quality raw materials, providing a smooth surface finish, stable mechanical properties, and reliable durability. In contrast, low-quality products often use inferior materials, resulting in surface defects, reduced strength, and a shorter service life. With excellent corrosion resistance, solid construction, and dependable performance, our steel products are designed to withstand demanding working environments and long-term use. Whether for construction, manufacturing, or industrial applications, choosing our products means choosing higher quality, greater reliability, and better value for your investment.


We always aim for product quality and customer interests, and continuously strive to enhance the performance of steel materials and customer service. To date, our products have been exported to countries such as Malaysia, Vietnam, Singapore, the United States, Greece, Russia, Mexico, Australia, Canada, Chile, Peru, Colombia, South Africa, Guyana, and other countries and regions. It is a well-known and internationally recognized brand. Our company has an international sales team, who not only have expertise in steel business, but are also familiar with export processes and related certification procedures. We have multiple warehouses and hold import and export licenses, providing professional trade services ranging from procurement, quality inspection, warehousing, container shipping (LCL) to export, specializing in branded steel products.


1.Delivery time:7-15 days after receipt of deposit 2.Packing:Standard bundle package beveled end 3.Delivery:Professional shipping forwarder,more fast delivery

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