Wholesale Welded Stainless Steel Pipe/ Tube

About Us

Huzhou Dingshang stainless steel Co., Ltd. is located in Huzhou city Zhejiang province, about one hour to Jiangsu, Shanghai and Hangzhou. DINGSHANG is professional China Welded Stainless Steel Pipe Manufacturers and Wholesale Welded Stainless Steel Tube Suppliers, and is specializing in industrial stainless steel welded tube and special alloys tube, with annual production capacity up to 7,000 tons.We have two own foundries and one CNC machining factory, we also have our own international sales department. We produce and sell by ourselves.

Our product production complies with GB, ASTM/ASME, JIS, DIN, EN, GOST and ISO standards. It can also meet some special requirements of customers. Due to excellent technicians, advanced production equipment, satisfactory factory inspection, and testing equipment , and a perfect quality assurance system, DINGSHANG has got quality management system ISO9001, EU pressure equipment directive PED and AD2000 all issued by Lloyd's, and also Chinese national special equipment manufacturing license (TS certificate).

Our product is mainly exported to more than 30 countries such as the United States, Germany, Japan, Spain, Italy, the United Kingdom, South Korea, Australia, and Canada. Our customers include many OEM customers specializing in trains, automobiles, forklifts and construction machinery, and we have cooperated with more than 10 Fortune 500 companies and become one of their main casting suppliers in China.

Dingshang adheres to the business philosophy of excellence, trustworthiness and win-win. Based on reliable quality pipes and timely replies, Dingshang's materials have been sold all over the country and exported to more than 20 countries including the world's major economies. We promise to provide better products and better services in the future, and welcome customers to visit our factory.




Unraveling the Strength of U-Stainless Steel Welded Pipes: A Comprehensive Guide


In the realm of industrial materials, the significance of stainless steel is unparalleled. Its versatility and durabilit...

A Stainless Steel Journey Through Time: Exploring the History and Applications of Stainless Steel Pipes


From ancient times to the present, human beings have been constantly pursuing progress in material science, and stainles...

The Secret of Welded Stainless Steel Serpentuator Pipe


Have you ever heard of a "snake tube"? It is a highly regarded pipe design, and welded stainless steel serpentuator pipe...

The Marvels of Austenitic Stainless Steel Welded Pipe


When it comes to industrial applications, the choice of materials plays a crucial role in determining the efficiency and...

product Industry Knowledge Extension

What is stainless steel pipe?
Stainless steel pipe is a type of pipe made from stainless steel, which is a corrosion-resistant alloy of iron, chromium, and sometimes other elements like nickel or molybdenum. Stainless steel pipes are widely used in various industries and applications due to their unique combination of properties, including corrosion resistance, high strength, and aesthetic appeal.
Stainless steel pipes are commonly used for transporting fluids and gases in environments where corrosion resistance is crucial, such as in the chemical, petrochemical, food processing, pharmaceutical, and water treatment industries. They are also used in architectural and construction projects, where their durability and aesthetic qualities make them a preferred choice for railings, handrails, and other decorative elements.
There are different grades of stainless steel, each with specific properties that make them suitable for various applications. The most common types of stainless steel used for pipes are:
Austenitic stainless steel (e.g., grades 304, 316): These are the most widely used stainless steels and offer excellent corrosion resistance, high strength, and good formability. They are often used in a wide range of applications, including water distribution, food processing, and architectural components.
Ferritic stainless steel (e.g., grade 430): These steels have lower corrosion resistance compared to austenitic grades but offer good resistance to stress corrosion cracking and high-temperature oxidation. They are commonly used in automotive exhaust systems and appliances.
Duplex stainless steel (e.g., grades 2205, 2507): Duplex steels combine the properties of both austenitic and ferritic stainless steels, offering higher strength and better corrosion resistance than ferritic grades. They are used in applications where both high strength and corrosion resistance are required.
Martensitic stainless steel (e.g., grade 410): These steels are known for their high strength and hardness. They are often used in applications where wear resistance and hardness are essential, such as cutlery, tools, and mechanical components.
Stainless steel pipes can be manufactured using various methods, including seamless and welded processes. Seamless pipes are made by piercing a solid billet of stainless steel to create a hollow tube, while welded pipes are formed by welding together rolled sheets or plates. The choice between seamless and welded pipes depends on factors like cost, intended application, and production requirements.
Stainless steel pipes are available in a variety of sizes, shapes, and thicknesses to suit different needs and applications. Proper material selection, fabrication, and installation are essential to ensure the longevity and performance of stainless steel pipe systems in various environments.