ASTM A671 Welded Carbon Steel Pipe

ASTM A671 steel Pipe are Fabricated from Pressure Vessel Plate of Several Analysis and Strength Level for Low Temperature Service. We provide A671 CC60, CC65, CC70 Pipe in Class 22, 32 from 18″ to 56″ and wall Thickness up to 50 mm.


SCr420TK, SCM415TK, SCM418TK, SCM420TK, SCM430TK, SCM435TK, SCM440TK


38 – 426mm


5 – 60mm




used for machinery, automobiles, and other machine parts.

Equivalent standards

ASTM A519, EN 10297-1


ASTM A671 Welded Carbon Steel Pipe

ASTM A671 is a specification for electric-fusion-welded steel pipe suitable for atmospheric and lower temperatures. It covers pipes made from carbon and alloy steel, which are intended for conveying liquids and gases in various industrial applications.

The ASTM A671 welded carbon steel pipe is manufactured by joining two or more lengths of steel plate through the process of electric fusion welding. This method involves applying heat to the edges of the steel plates and melting them together to form a solid welded joint. The resulting pipe has a continuous weld along its length.

These pipes are commonly used in applications where high-pressure and high-temperature conditions are not present. They are typically used for conveying non-corrosive fluids such as water, oil, and gas in industries like petrochemical, power generation, and water treatment.

ASTM A671 specifies different classes of pipes based on their wall thickness and temperature ratings to ensure suitability for specific service conditions. These classes include Class 10, Class 11, Class 12, Class 13, Class 20, Class 21, Class 22, Class 23, Class 30, Class 31, Class 32, Class 33, and Class 40.

welded steel pipe

Overall, ASTM A671 welded carbon steel pipes provide a reliable and cost-effective solution for various industrial piping applications where moderate temperatures and pressures are involved.

As the top stockist and distributor in china, rizhao azure-b supply various kinds of steel pipes including carbon steel pipe, alloy and stainless steel pipes. We offer pipe ranging in diameter from 1/4” to 48”, in numerous wall thickness, and with various finishes as well as different steel specifications such as API,ASTM,ASME,JIS and EN with among others. With our stock capacity and good ties with major steel mills in china, you can believe that we have the steel pipe and other steel products that you need – when and where you need them! We can assure you a very fast delivery in about ONE WEEK and free from worries.

Rizhao Azure-B Supply Chain Co.,Ltd is the top steel pipe stockist and distributor in China. As a first-tier agency of several major steel companies in China including TPCO, Baosteel and so on, We are committed to offering an easier way to international trade, leaving clients rest easy. Generally we hold steel pipe stock of at least 15000 tons per months with a sales about 30000 tons per month. In view of the special steel trade system in China, we are a major player in Chinese Steel market.

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