Hebei Huayang Steel Pipe Co., Ltd is one of the most experienced manufacturers and suppliers of seam welded pipe in China. Welcome to buy discount seam welded pipe made in China here from our factory. Quality products and low price are available.
What is Seam welded pipe?
Seam welded pipe is a type of steel pipe that is produced by welding two pieces of steel together along the length of the pipe to form a single continuous piece. This process of joining the two pieces of steel creates a seam along the length of the pipe which is then welded together to form a strong, durable and reliable steel pipe. Seam welded pipes are commonly used in a variety of industries including, but not limited to, oil and gas, construction, and manufacturing. They are available in various sizes, lengths, and thicknesses to meet the requirements of different applications.
Main Standard and material for seam welded pipe:
| Standard | Specification for | Common steel Grade | Scope | |
| API5L | Specification for Line Pipe | Seamless pipe,ERW pipe, LSAW pipe | Gr.B, X42, X46, X52, X56, X60, X65 X70M | |
| ASTM A53 | Standard Specification for Pipe,Steel,Black and Hot-Dipped,Zinc-Coated,Welded and Seamless |
Seamless pipe,ERW pipe | Gr.A, GR.B | 13.7-660mm |
| ASTM A500 | Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes |
Seamless pipe,ERW pipe,RHS,SHS | Gr.A,Gr.B,Gr.C | OD≤2235mm WT≤22mm |
| ASTM A252 | Standard Specification for Welded and Seamless Steel Pipe Piles | Seamless pipe,ERW pipe,LSAW pipe,SSAW | Gr.A,Gr.B,Gr.C | |
| ASTM A795 | Standard Specification for Black and Hot-Dipped Zinc-Coated (Galvanized) Welded and Seamless Steel Pipe for Fire Protection Use | Seamless pipe,ERW pipe, | 21.3-273MM | |
| ASTM A671/A671 M | Standard Specification for Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures |
EFW pipe | A55, B55, B60, B65, B70, C55, C70, D70 | OD≥406mm WT≤75mm |
| ASTM A672/A672 M | Standard Specification for Electric-Fusion-Welded Steel Pipe for High-Pressure Service at Moderate Temperatures |
EFW pipe | A55, B55, B60, B65, B70, C55, C70, D70 | OD≥406mm WT≤75mm |
| EN 10219 | Cold formed welded steel structural hollow sections | ERW pipe,LSAW pipe | S235JRH,S275J0H,S275J2H, S355J0H, S355J2H | |
| GOST 10706 | Electrically welded steel line-weld tubes | ERW pipe,LSAW pipe | 478-1420mm | |
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