Black welded steel pipe is a type of welded steel pipe without any zinc coating or surface painting. Steel pipes have a black or dark blue color from the iron oxide layer created during the hot rolling of steel billets. To get welded steel pipes, we will roll the steel sheets and weld them together without painting or dipping the product.
To learn more about black welded steel pipes, let’s join Bao Tin Steel through the article below.
Characteristics and specifications of ASTM A53 black welded steel pipes
Characteristics of black welded pipes
Compared to galvanized welded pipes, black welded pipes are cheaper but still ensure strength, rigidity, and durability during use. Black welded steel pipes have quite high applicability in a variety of fields: construction (fire protection systems, prefabricated house designs, fiber optic cable systems, etc.), railings, fences, etc.

Technical specifications of black welded steel pipes
Based on the actual project, people will choose different construction materials. To meet market requirements, black welded pipes are produced in a variety of sizes, thicknesses, standards, etc.
- Product type: Black welded pipe
- Standards: TCVN 3783-83, BS 1387-1985, BS EN 10255-2004, ASTM A53, ASTM A500, JIS G3466,…
- Steel grades: SPHC, SS400, SAE,…
- Brand/Origin: Large factories such as Hoa Phat, Hoa Sen, Viet Duc, SeAH, and Sunso,… imported from China, Korea, and Japan,…
- Size: 10 – 610mm
- Thickness: 0.8mm – 9.52mm
- Pipe length: 6m, 12m, or produced according to customer requirements
Current black welded pipe manufacturers mostly comply with ASTM A53 standards because this is an internationally recognized quality standard. It means that welded steel pipes according to ASTM A53 standards are good and have high durability, safety, and quality.
Black welded steel pipe price list for reference
Black welded pipe prices can vary due to various factors. These include size, thickness, production standards, brand, etc. Therefore, the price Bao Tin Steel provides below is only a reference price. This price may change from time to time. To know the exact cost of black welded pipes, don’t hesitate to contact the hotline 0932 059 176.
Currently on the market, there are three popular types of black welded pipes: ERW black welded pipes, SSAW black welded pipes, and LSAW black welded pipes. In the previous article, Bao Tin Steel shared the article “SSAW spiral welded steel pipe.” If you are interested in the “spiral welded steel pipe quote,” you can refer to it for more information.
Bao Tin Steel Company distributes ASTM A53 black welded steel pipes directly from manufacturers, without intermediaries. Therefore, product prices are competitive compared to the market. Besides, customers also receive discounts and incentives when purchasing.
Tiger Steel is a branch of Bao Tin Steel.