DF Steel Pipe Seamless Steel Pipe & OCTG Supplier

Global Steel Pipe Project Cases

50,000+ Tons Annual Export — 60+ Countries — Oil & Gas, Water, Offshore & Infrastructure

500,000+
Tons Exported Annually
60+
Countries Served
200+
Completed Projects
15+
Years Experience

Featured Project Cases

Real shipment records across oil & gas, water transmission, offshore, and infrastructure projects worldwide.

LSAW steel pipe shipment, Argentina gas pipeline project 🇦🇷 Argentina — Gas Pipeline

API 5L X65 LSAW Line Pipe — Argentina Natural Gas Transmission Project

Supplied 12,000 tons of API 5L X65 PSL2 LSAW large-diameter steel pipes (OD 30") with 3LPE external coating and internal epoxy lining. Full EN 10204 3.1 MTC, 100% UT inspection, NACE MR0175 compliance for sour service.

API 5L X65 PSL2 LSAW 30" 3LPE Coated 12,000 Tons
API 5CT OCTG casing shipment, Angola offshore drilling project 🆸🇦🇴 Angola — Offshore Drilling

API 5CT Seamless Casing — Halliburton Angola Deepwater Project

Delivered API 5CT N80/L80 seamless casing pipes (OD 9-5/8" & 13-3/8") with BTC premium connections for Halliburton offshore Angola. Hydrostatic tested at 10,000 psi, UT electromagnetic inspection, full material traceability.

API 5CT N80/L80 BTC Premium Offshore Deepwater Halliburton
3LPE coated seamless pipe, Mexico PEMEX pipeline project 🇲🇽 Mexico — PEMEX Pipeline

API 5L Gr.B Seamless Pipe with 3LPE — PEMEX Crude Oil Pipeline

Shipped 8,500 tons of API 5L Grade B seamless steel pipes (OD 12" & 16", SCH 40) with factory-applied 3LPE anti-corrosion coating. Complete package with ASTM A105 forged flanges, A234 WPB butt weld fittings, A193 B7 stud bolts.

API 5L Grade B 3LPE Coating 12" & 16" SCH40 8,500 Tons
SSAW spiral welded pipe with CWC, Nigeria water transmission 🇳🇬 Nigeria — Water Transmission

SSAW Spiral Pipe + Concrete Weight Coating — Nigeria Water Pipeline

Supplied 20,000+ tons of SSAW spiral welded pipes (OD 42" & 48") with concrete weight coating (CWC). API 5L X52 PSL1 specification. Sacrificial bracelet anode installation for cathodic protection. Long-length fabrication up to 60m per joint.

SSAW 48" CWC Coated API 5L X52 20,000+ Tons
ASTM A106 boiler tube shipment, Russia thermal power plant 🇷🇺 Russia — Power Plant

ASTM A106 Gr.B Seamless Boiler Tube — Russia Thermal Power Plant

Exported 4,500 tons of ASTM A106 Grade B / ASTM A192 seamless carbon steel boiler tubes (OD 38mm-89mm, WT 3.2mm-12mm) for a thermal power plant modernization project. GOST-R certified. 100% eddy current and hydrostatic tested.

ASTM A106 Gr.B GOST-R Certified Boiler Tube 4,500 Tons
Steel pipe and fittings package, Kuwait Oil Company project 🇰🇪 Kuwait — KOC Oil Field

Pipe & Fittings Complete Package — Kuwait Oil Company (KOC)

Complete integrated pipe package for KOC gathering system: ASTM A106 Gr.B seamless pipes, A234 WPB butt weld fittings, A105 forged flanges (ANSI Class 300/600), A193 B7/A194 2H stud bolts. Full MTC 3.1, PMI reports, SGS third-party inspection.

ASTM A106/A105 ANSI 300/600 Full MTC 3.1 KOC Project

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Peru Ghana Kuwait Russia Mexico Argentina Nigeria Angola Indonesia UAE Brazil Algeria