Name: China Carbon Steel ERW Pipe Manufacturers, Suppliers and Factory - Shenzhoutong Steel Pipe
Brand: Shenzhoutong
SKU: 303597109

Tianjin shenzhoutong steel pipe co.,ltd is one of the leading Carbon Steel ERW Pipe manufacturers in China.

Carbon Steel ERW Pipe is a high-performance industrial piping solution manufactured by rolling steel coils into a cylindrical shape and welding the seam using high-frequency electrical resistance. This manufacturing process ensures a consistent, strong, and cost-effective pipe suitable for a wide range of structural and fluid transport applications. As one of the most commonly used materials in process piping, carbon steel ERW pipes offer an optimal balance of strength, durability, and economic efficiency.

ERW Black Steel Pipe Schedule 40 EN10219 CHS RHS SHS ERW Steel Pipe

Products Description

Product	Carbon Steel ERW Pipe
Process	Electrical Resistance Weld
Production Stardard	API 5L , API 5CT, ASTM A53 , ASTM A36, ASTM A500, EN10219
Grade	A, B, X42, X46, X52, X56, X60, X65, X70, Q235, Q355, S235, S355, SS400...
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 requirement
Pipe Ends	Plain, Bevel, Threading and coupling, Grooved
Surface Treatment	bare, black paint, anti-rust oil,galvanized , FBE, epoxy,3LPE, 3LPP
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

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Surface Treatments & Coatings

To enhance corrosion resistance and extend service life, especially in harsh industrial or underground environments, Carbon Steel ERW pipes undergo various surface treatments:

‌Black Painted/Varnish:‌ Basic protection against atmospheric rust during storage and transit .

‌Galvanized:‌ Hot-dip or electro-galvanized coatings provide superior corrosion resistance, suitable for outdoor structures and water systems .

‌Anti-Corrosion Coatings:‌ Advanced options include FBE (Fusion Bonded Epoxy), 3LPE/3LPP (Three-Layer Polyethylene/Polypropylene), Coal Tar Epoxy, and PE coatings for aggressive chemical or soil conditions .

‌Oiled/Bare:‌ Light oiling for temporary protection; bare finish for immediate processing or painting by the end-user

‌Product Advantages

Preciser Tolerance: Unlike seamless pipes, ERW pipes are produced from hot-rolled or cold-rolled steel strips, allowing for precise control over wall thickness and diameter tolerances.

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.‌

Certifications

Quality control

* Hydrostatic Pressure Testing
* Non-Destructive Testing (Eddy Current, Ultrasonic)

* Chemical composition test
* Mechanical Property Testing
* Dimension & Visual Inspection
* Full Traceability (Mill Test Certificates 3.1 provided)

* Also accept third party inspection before shipment

Core Competencies

* Strict quality control and Fast delivery

* Financial support: we can handle max 30 million dollars for an order.
* Rich experiences(23+years) in Technics/Production/Post-sales.
* Technical & full set of documents support (API 5L, ISO, MTC, ITP &MPS ,lists of production facilities...etc)