Black Steel Welded ERW Pipe in China
Tianjin Shenzhoutong Steel Pipe Co., Ltd. is one of the leading Black Steel Welded ERW Pipe Manufacturer in China.
We have six production lines of HFW ERW steel pipes. The annual capacity is about 500000 tons.
We have acheived many certificates like: API 5L , API 5CT , CE.

Products Description
Product | Black Steel Welded ERW Pipe | |
Process | Electrical Resistance Weld | |
Production Stardard | API 5L , API 5CT, ASTM A53 , ASTM A36, ASTM A500, EN10219 | |
Size Range | OD 1/2"-26"(21.3-660mm), Thickness 0.055"-1.602"(1.65-26.97mm) | |
Pipe Length | 5.8m, 6m,12m,as requirment | |
Pipe Ends | Plain, Bevel, Threading and coupling, Grooved | |
Surface Treatment | bare, black paint, anti-rust oil,galvanized , FBE, epoxy,3PE , 3PP | |
Application | oil , gas, water transportations, industires, Structure. Piling | |
manufacturing
---Coil receipt and inspection---Coil slitting--Recoiling after slitting---Coil Uncoiling and joining
---Coil Leveling--Forming---High frequency welding---Trimming flash---Heat treatment---Air Cooling
---Sizing--- Cutting to length---Inspection and testing sampling --- Hydrostatic testing
---Final Auto UT on welding seam---Manual UT at pipe ends
---Laboratory test - Chemical analysis--- Mechanical Test-- Final dimension inspection

Product Advantages
Cost-Effectiveness: Provides an optimal balance of performance and affordability compared to seamless or specialty alloy pipes.
Durability and Strength: The ERW manufacturing process and carbon steel material yield a pipe with high tensile strength and good load-bearing capacity, ensuring long service life.
Ease of Installation and Fabrication: Lightweight yet robust, it is easy to transport, cut, weld, and install on-site, significantly reducing labor time and project costs.
Versatility: Available in multiple diameters, wall thicknesses, and can be customized in length and surface treatment, catering to specific project requirements.
