Product Overview
| Attribute | Description |
| Product Name | Welded Black Iron Steel Pipes |
| Material | Carbon Steel (Non-alloy) |
| Technique | ERW (Electric Resistance Welded) |
| Section Shape | Round |
| Surface Finish | Black, no surface treatment (Customizable: galvanized, anti-rust oiled, powder coated) |
| Application | Construction, scaffolding, steel structure, fluid/gas pipeline, greenhouse frame, machinery parts, boiler & petrochemical industry |
| Place of Origin | Tianjin, China |
| Certifications | ISO 9001:2008, CE, API, BSI |
| MOQ | 3 Tons |
| Free Sample | Available upon request |
| Payment Terms | T/T, L/C, CIF, FOB, CFR |
| Port of Shipment | Xingang, Tianjin, China |
| Delivery Time | Depends on order quantity (typically 15–30 days) |
Dimensional Details
| Parameter | Range / Options |
| Outer Diameter (OD) | 13.7 mm – 610 mm (1/2" – 24") |
| Wall Thickness | 0.5 mm – 25 mm (0.09" – 1.0") |
| Length | Standard: 6m (20ft) |
| Custom: 5.8m, 7.3m, 10m, 11.8m, 12m | |
| Pipe Ends | Plain ends, threaded ends (with coupling), beveled, grooved, or customized |
| Special Processing | Perforated holes, welded steel rings, PVC caps, scoked ends, welded plates |
Product Application
| Application Field | Specific Usage |
| Fluid Transportation | Water supply, gas transmission, oil pipeline, liquid delivery |
| Construction Engineering | Building structure, steel support, municipal pipeline laying |
| Industrial Pipeline | Industrial equipment piping, ventilation, drainage pipeline |
| Agricultural Engineering | Agricultural irrigation, farmland water conservancy pipeline |
| General Engineering | Scaffolding, pipeline connection, mechanical casing |
Customization & Value-Added Services
Welded Black Iron Steel Pipes
| Service | Details |
| Custom Coating | Galvanized, 3PE, primer painted, powder coated, anti-rust oiling |
| Threaded Ends | With coupling and PVS/PVC caps (NPT, BSP available) |
| Laser Marking | Custom branding, batch number, standard codes |
| Packaging | Bundled with steel strips, PVC end caps, seaworthy export packaging |
| Testing Support | Third-party inspection accepted (SGS, BV, etc.), test reports available |
| Logistics | Container or bulk vessel shipment, global delivery |
Why Choose Our Welded Black Iron Steel Pipes?
| Advantage | Explanation |
|---|---|
| ✅ High-Quality Raw Materials | Sourced from certified mills with traceable material reports |
| ✅ Strict Quality Control | Tolerance: ±1%, inspected per ASTM/GB/JIS standards |
| ✅ Competitive Pricing | Factory-direct pricing: US$400–620 per ton (volume discounts available) |
| ✅ Fast Sampling | Free samples shipped within 3–5 business days |
| ✅ Global Compliance | Meets ISO, API, CE, and CPR requirements for EU & international markets |
| ✅ OEM/ODM Supported | Custom logos, packaging, and specifications accepted |
Packing & Loading

Contact
we are here for you
write to us
Email: kepia@tjshenzhoutong.com
visiting us
Address: Chenda Road,Daqiuzhuang Town Jinghai County,Tianjin,China.
Tel
Number: +86-22-58162536
Contact directly
Phone/Whatsapp:
+86-15822996332
Hot Tags: welded black iron steel pipes, China welded black iron steel pipes manufacturers, suppliers, factory, erw pipe for waterproofing, erw pipe for packaging industry, 3pe ERW pipe, erw pipe for pivots, erw pipe for alkaline environments, erw pipe for oil and gas


