ASTM AISI Standard Stainless Steel Seamless Pipe Round/Square/Rectangle/Oval Pipe Price (304H 304 316 316L 316H 321 309)
Steel pipes are exceptional long, hollow tubes crafted for myriad purposes. These versatile tubes arise from two distinct production methods-welded or seamless. Initially, raw steel is cast into a manageable starting form before being transformed into a pipe. This transformation occurs either by gracefully stretching the steel into a seamless tube or by expertly aligning and sealing the edges with a weld. The art of steel pipe production traces back to the early 1800s, evolving into sophisticated modern techniques that yield millions of tons annually. The unmatched versatility of steel pipes makes them a cornerstone of the steel industry. Their robust strength allows them to be buried underground, reliably transporting water and gas across cities and towns. In construction, they serve as protective conduits for electrical wires. Despite their strength, steel pipes can be lightweight, making them ideal for bicycle frame manufacturing. Their utility extends to automobiles, refrigeration units, heating and plumbing systems, flagpoles, street lamps, and even medical applications, among others.
Our steel tubing stands out with a variety of custom shapes, diameters, wall thicknesses, and lengths, perfectly tailored to meet your unique application needs. At Tianjin Kaishuo Weiye Steel Co., Ltd., we excel in creating custom orders, particularly in sourcing those elusive or rare sizes of mild carbon and alloy tubing. Engage with any of our knowledgeable sales associates to discuss your specific requirements, and we will ensure the precise steel tubing is cut and delivered at the right price, precisely when you need it.| Item | Stainless Steel Pipe / Tube | |
| Steel Grade | 201, 202, 301, 302, 303, 304, 304L, 304H, 309, 309S, 310S, 316, 316L, 317L, 321, 409L, 410, 410S, 420, 420J1, 420J2, 430, 444, 441, 904L, 2205, 2507, 2101, 2520, 2304, 254SMO, 253MA, F55 |
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| Standard | ASTM A213,A312,ASTM A269,ASTM A778,ASTM A789,DIN 17456, DIN17457,DIN 17459,JIS G3459,JIS G3463,GOST9941,EN10216, BS3605,GB13296 | |
| Surface | Polishing, Annealing, Pickling, Bright, Hairline, Mirror, Matte | |
| Type | Hot rolled , Cold rolled | |
| stainless steel round pipe/tube | ||
| Size | Wall thickness | 1mm-150mm(SCH10-XXS) |
| Outer diameter | 6mm-2500mm (3/8"-100") | |
| stainless steel square pipe/tube | ||
| Trade terms | Price terms | FOB,CIF,CFR,CNF,Ex-work |
| Payment terms | T/T, L/C, Western union, Paypal, DP, DA | |
| Delivery time | Prompt delivery or as the order quantity. | |
| Export to | Ireland,Singapore,Indonesia,Ukraine,Saudi Arabia,Spain,Canada,USA, Brazil,Thailand,Korea,Italy,India,Egypt,Oman,Malaysia,Kuwait,Canada, Viet Nam, Peru,Mexico,Dubai, Russia,etc | |
| Package | Standard export seaworthy package,or as required. | |
| Application | Widely used in petroleum,foodstuff,chemical industry,construction, electric power,nuclear,energy,machinery,biotechnology,paper making,shipbuilding,boiler fields. Pipes also can be made according to the customer's required. |
|
| Contact | If you have any questions,please feel free to contact me. | |
| Container size | 20ft GP:5898mm(Length)x2352mm(Width)x2393mm(High) 24-26CBM 40ft GP:12032mm(Length)x2352mm(Width)x2393mm(High) 54CBM 40ft HC:12032mm(Length)x2352mm(Width)x2698mm(High) 68CBM |
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| Surface finish | Characteristics & Application |
| NO.1 | Hot-rolled surface,annealed and pickled,can be used as cold-rolling material,industial tanks and chemical devices. |
| NO.2D | Cold-rolled, an nealed and pick led with out skinpassing the dull products can be used as auto mobile parts, building materrials and pipings. |
| NO.2B | The surface brightness and flatness of NO.2B is better than NO.2D. Then through a special surface treatment to improve its mechamical properties, N0.2B could nearly satisfy comprehensive uses. |
| NO.3 | Polished with abrasive belt of grit #100#120,have better brightness with discontinuous coarse stria, used as inner and external or naments for building, electrical appliances and kitchen utensils etc. |
| NO.4 | Polished with abrasive belt of grit #150#180, have better brightness with discontinuous coarse stria, but thinner than NO.3, are used as bathtud building inner and external ornaments electrical appliances, kitchen utensils and food processing equipment etc. |
| HL | Polished with abrasive belt of grit #150-320 on the No.4 finish and has continuous streaks, mainly used as building ornaments, elevators, door of building, frontal plate etc. |
| BA | Cold rolled, bright annealed and skin passed, the product has excellent brightness and good reflexivity like mirror, used for lectrical appliances, mirror, kitchen apparatus, or nament ma terials etc. |
Our premium stainless steel tube is an exemplar of economical steel sections, capable of transforming both life decoration and industrial applications with its versatility. Whether you are looking to enhance your living space or meet industrial needs, this steel tube stands ready to impress. Perfectly suited for crafting stair handrails, window guards, balusters, furniture, and more, our stainless steel tube is a symbol of durability and style. The popular choices in the market are the 201 and 304 stainless steel materials, known for their excellent properties and adaptability.Secondis its wide usage across various sectors such as geological drilling, the chemical industry, construction, industrial machinery, aircraft and automobile manufacturing, boiler and bicycle production, and even in medical equipment and furniture. The steel pipe industry caters to numerous fields due to its indispensable properties. These industries demand a variety of steel pipes that are safe, healthy, environmentally friendly, and economically viable. With advancements in thin-walled pipe technology and innovative connection methods, our stainless steel pipes deliver unmatched performance, aesthetics, and features that suit diverse requirements. Thus, stainless steel continues to hold its reputation as one of the finest building materials globally, offering a blend of modernity and reliability.
Surface treatment of stainless steel coils
Production Process
Stainless steel pipes are widely used in industrial, medical, food, light industry, mechanical instrumentation and other fields because of their high temperature resistance, corrosion resistance, and resistance to rust. In addition, due to its light weight and good performance in bending and torsional strength, stainless steel pipes are also used to manufacture mechanical parts and engineering structures.
Company Profile


Zhongzheng Stainless Steel Co., Ltd. stands as a beacon of professionalism in the stainless steel industry, adeptly manufacturing, selling, and servicing a diverse array of stainless steel products. Our product line includes Stainless Steel Sheets, Stainless Steel Pipes, Stainless Steel Profiles, Stainless Steel Bars, and Stainless Steel Coils. Capitalizing on our strategic location, our head factory in Tianjin anchors our operations, complemented by four flourishing branch offices across China. Since initiating our journey in 2004, we have forged invaluable strategic partnerships with esteemed stainless steel mills such as TISCO, BAOSTEEL, and POSCO(ZPSS), among others, securing prime grade materials. Our extensive inventory boasts over 2000 tons covering more than 800 distinct specifications. While we enjoy robust sales across every city and province in China, our reach extends globally. We proudly serve clients in a multitude of countries and regions, including Saudi Arabia, Yemen, UAE, Syria, Kuwait, Germany, Lithuania, Azerbaijan, Russia, Indonesia, Vietnam, Egypt, Malaysia, Philippines, and beyond to nations like Bolivia and Colombia.
Committed to impeccable quality control and unparalleled customer service, our seasoned team is always ready to engage in discussions to fully meet your requirements and guarantee complete satisfaction. We are keenly focused on expanding our market presence and are actively seeking long-term partnerships with promising collaborators. If you foresee any opportunity to collaborate with us, we encourage you to reach out for potential agreements. We warmly invite you to visit our factory at your convenience, to witness our operations firsthand.
In the sales market, we cooperate with customers all over the world. At present, our products have been sold to Southeast Asia, Europe, Africa, North America and other important economic regions. Our steel products are widely used in Bridges, construction, energy, medical, transportation, industry and many other fields, making important contributions to the global infrastructure construction. Reliable product quality and our trustworthiness have been widely recognized by customers and won a good reputation and reputation.
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