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China Galvanized Pipe: Comprehensive Guide to Sizes, Grades & Applications | Top Exporter – Royal Steel Group

Galvanized pipe, with its good corrosion resistance, high durability and economical prices, is one of the most popular metal pipe products in the world. As the leading producer and exporter of galvanized pipe China has a large number of professional galvanized steel pipe mills which produces a range of superior products like wholesale galvanized seamless steel pipes, galvanized welded steel pipes, hot-dip galvanized steel pipes, electro-galvanized pipes, galvanized square & rectangular steel pipes. High quality, reliability, and wide range of applications of these products have earned high appreciation and popularity among buyers all over the world which makes Chinese galvanized steel pipe a trusted name in global market. 

Galvanized steel pipes bundled together
galvanized-steel-pipe

Popular Sizes for China Galvanized Pipe

Galvanized Steel Pipe can meet all your need of different industry and application, With Galvanized Round Pipe Factory is specialized in manufacturing the standard size and customized size round galvanized pipe. The nominal diameter (DN) of galvanized pipes according to the national standard is from 15 ( 1/2 inch) to 500 (DN) , and the outer diameter corresponding to DN is from 21.3mm to 508mm. The required wall thickness is usually from 1.6mm to 10mm, and for low pressure fluid conveying, 1.2 to 6.0mm is mostly used. Standard are: 6m, 9m or 12m, custom-made lengths can be adjusted according to buyer’s requirement applicacble for projact using style. These dimension standards are well accepted in Wholesale Galvanized Steel Pipe deals and applications all over the world obliging to continuous compatibility issues. 

Main Grades of Galvanized Pipe

The quality of China Galvanized Pipe is inherently linked to its base steel grades, which determine its mechanical properties and applicable scope. The most commonly used grades for galvanized pipes in China include Q195, Q215, Q235 (including Q235A and Q235B), and the Q355 series—among which Q235 is the most widely utilized due to its balanced strength and ductility. All galvanized pipes produced by China Galvanized Steel Pipe Factory comply with the national standard GB/T 3091-2015, guaranteeing a zinc coating weight of no less than 500g/m² and exceptional adhesion and durability of the products.

Applications of Galvanized Pipes in China

Galvanized pipes from China boast superior performance and are widely used in construction, municipal engineering, industrial production, agriculture, and transportation. The construction industry accounts for over 50% of total demand, with galvanized pipes, due to their high load-bearing capacity and corrosion resistance, being widely used in scaffolding, water supply and drainage, heating pipelines, and building structures. In municipal engineering, galvanized pipes are also a key component of urban water supply, gas transmission, sewage treatment, and road drainage, promoting the development of urban infrastructure.

In industrial applications, hot-dip galvanized pipes are widely used in environments requiring harsh operating conditions, such as power plants, petrochemical plants, and metallurgical plants, for media transportation and equipment support. In agriculture, due to their corrosion resistance and long service life, galvanized pipes are used in greenhouse frames and irrigation systems. Furthermore, galvanized pipes are used in guardrails and drainage pipes for highways, railways, bridges, and other transportation infrastructure, and are also suitable for mountain roads.

 

Galvanized Pipes

Royal Steel Group: A Leading Manufacturer and Exporter

In the field of premium Chinese galvanized pipes, Royal Steel Group is a global leader in the galvanized steel pipe industry, renowned for its reliable quality and strong influence. Founded in 2012 and headquartered in Tianjin, the company is a modern high-tech enterprise integrating R&D, production, and international sales, with a service network spanning over 200 countries and numerous overseas subsidiaries.

As a professional Chinese galvanized steel pipe manufacturer, Royal Steel Group offers a comprehensive portfolio of galvanized products, including galvanized seamless steel pipes, galvanized welded steel pipes, hot-dip galvanized steel pipes, electro-galvanized pipes, galvanized square and rectangular pipes, and customized solutions from our galvanized round pipe factory.

We implement rigorous quality control at every stage—from raw material selection and precision forming to advanced hot-dip galvanizing—ensuring all products meet international standards and specific customer requirements. With advanced production equipment, mature manufacturing processes, and a professional after-sales team, our galvanized steel pipes are exported to major markets worldwide, including Europe, North America, Africa, and Southeast Asia, earning widespread recognition for their reliability and superior performance.

As a leading exporter of galvanized steel pipes in China, Royal Steel Group sincerely welcomes global partners and buyers to visit us, witness our production capabilities firsthand, and evaluate our product quality.

We are committed to providing: Highly competitive wholesale prices; Stable and timely global supply; Customized sizes and specifications; Professional technical support; Long-term cooperation plans.

Wherever your project requires any steel products, Royal Steel Group is your trusted strategic partner.

Contact us today to discuss cooperation opportunities and establish a long-term, mutually beneficial partnership.

ROYAL GROUP

Address

Kangsheng development industry zone,
Wuqing district, Tianjin city, China.

E-mail

sales01@royalsteelgroup.com

Phone

Sales Manager: +8613652091506

Hours

Monday-Sunday: 24-hour Service

Post time: Feb-25-2026