Welded Black Iron Steel Pipes

Parameter

Range / Options

‌Outer Diameter (OD)‌

‌13.7mm - 610 mm‌ (1/2" - 24")

‌Wall Thickness‌

‌0.5mm - 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

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

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

✅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