Double Welded Pipe & Large Diameter Welded Pipe for Oil & Gas โ OEM Excellence
โก Cut supply chain costs by 18โ25% with Chinaโs most reliable welded tube OEM โ ISO 9001, 20+ years export expertise.
โ Serving 40+ countries | โ 200+ MT monthly capacity | โ Full OEM/ODM
๐ฅ The Real Cost of Cheap Pipe โ Why Your Current Supply Chain Hurts
Every procurement decision in oil & gas carries hidden risk. Hereโs what we hear from buyers who switched to HEBEI WINDZONE:
High Price, Low Margin
โWe paid 22% above market for a โpremiumโ US supplier โ same specs, triple the lead time.โ โ Procurement Manager, Texas
Low Quality Rejects
17% of incoming large diameter welded pipe failed NDT โ cost overruns & project delays.
High Shipping Costs
Ocean freight volatility + poor consolidation = 30% higher logistics cost than necessary.
Unreliable Lead Times
โ8-week promised delivery slipped to 14 weeks โ cost us $340k in penalties.โ โ Ops Director, Norway
You donโt need just a pipe supplier. You need a strategic OEM partner who controls quality, cost, and delivery from mill to port.
โ Why HEBEI WINDZONE โ Your OEM Partner for Double Welded & Large Diameter Pipe
Powerful Factory
50,000ใก plant, 8 production lines, 200+ MT monthly capacity.
Quality Assurance
100% NDT (UT/RT/MPI), ISO 9001, CE, API 5L certified.
OEM/ODM Design
Custom grades, coatings, bevel ends, and packaging per your spec.
High-Speed Delivery
FOB/CIF shipped within 25โ35 days โ 30% faster than industry average.
i Technical Specifications โ Double Welded Pipe & Large Diameter Welded Pipe
๐ All pipes undergo 100% hydrostatic testing, UT/RT weld inspection, and dimensional verification. Custom OEM specs welcome.
๐ข๏ธ Oil & Gas Pipeline
Cross-country transmission, offshore risers, and refinery feeder lines. Our double welded pipe meets API 5L PSL2 for sour service.
๐๏ธ Structural & Piling
Offshore platforms, bridge foundations, and heavy civil works. Large diameter welded pipe up to 80โณ OD with high DWTT performance.
๐ Trusted by Energy Leaders Worldwide
๐ Our Customers Include
+ 40+ energy & EPC firms
โ
CE | โ
API 5L | โ
EN 10219 | โ
ABSโWe switched our large diameter welded pipe supply to HEBEI WINDZONE. Reject rate dropped from 12% to 0.8%, and we saved 19% on total landed cost. Their OEM team even custom-designed the bevel angle for our welding robots.โ

Procurement Director, Singapore Oil & Gas Services

โ Frequently Asked Questions โ Double Welded & Large Diameter Welded Pipe
Q: What is the minimum order quantity (MOQ) for double welded pipe?
Answer: For standard API 5L grades, MOQ is 20 MT per size. For OEM custom specs (special coating, non-standard bevel, unique grade), MOQ starts at 10 MT. We also offer trial orders of 5 MT for new partnerships.
Q: Can you provide large diameter welded pipe with 3LPE coating for offshore?
Answer: Yes. We supply large diameter welded pipe with 3LPE (ISO 21809) and 3LPP coatings up to 80โณ OD. We also offer concrete weight coating for subsea pipelines. All coatings are applied in-house with full holiday detection.
Q: What is the typical lead time for OEM double welded pipe orders?
Answer: Standard production lead time is 25โ35 days from PO confirmation and deposit. For rush orders, we can expedite to 18โ22 days. CIF shipping to US Gulf ports typically adds 14โ18 days.
Q: Do you offer free samples for testing and qualification?
Answer: Yes. We provide free cut samples (300mm length) from current stock โ you only pay the shipping cost. For full-size sample pipes, we offer a 50% discount on the first piece with full refund if specs are not met.
Q: How do you ensure quality for double welded pipe shipments?
Answer: Every pipe undergoes: 100% ultrasonic (UT) & radiographic (RT) weld inspection, hydrostatic pressure test, tensile/bend/impact tests, dimensional check, and third-party inspection (SGS, BV, TรV) upon request. We issue mill test certificates (MTC) per EN 10204 Type 3.1.
Q: What payment terms do you offer for international buyers?
Answer: Standard terms: 30% T/T deposit, 70% against copy of B/L. For established clients or LC orders, we offer 30% deposit, 70% LC at sight. We also accept documents against payment (D/P) for select markets.
Q: Do you help with shipping and logistics to the US or Europe?
Answer: Absolutely. We offer CIF (cost, insurance, freight) to major ports โ Houston, Rotterdam, Antwerp, Singapore, and more. Our logistics team consolidates LCL and FCL shipments to reduce your shipping costs by up to 22% compared to individual bookings.
โญ Real Reviews from Our Customers

โWeโve been buying double welded pipe from HEBEI WINDZONE for 2 years. Their quality consistency is unmatched โ zero rejects in the last 6 shipments. Pricing is 18% below our previous supplier.โ

โThe OEM team helped us design a custom large diameter welded pipe with a special internal coating for our offshore platform. Technical support is world-class โ they even sent a QC engineer to our site.โ

โDelivery speed is incredible. We ordered 120 MT of double welded pipe for a pipeline project in Iraq โ production completed in 28 days and CIF arrived at Umm Qasr on schedule. Saved us 15% on logistics.โ
๐ฌ Real Conversations with Our Customers

๐ฑ WeChat, WhatsApp & email communications โ real buyer feedback on quality, delivery, and OEM service.

Written by Michael Zhang
Senior Welded Pipe Engineer & International Trade Specialist โ 22 years in steel pipe manufacturing, OEM project management, and global supply chain. Michael leads HEBEI WINDZONEโs technical advisory team and has personally overseen over 150 oil & gas pipe projects across 5 continents. His insights blend deep metallurgical knowledge with real-world procurement strategy.
๐ Ready to Cut Costs & Secure Your Pipe Supply?
Free sample โข 24h quote โข OEM consultation โข CIF to your port
โณ Limited-time offer: Free sample & first-order freight discount for new clients. Risk-free guarantee โ full refund if specs not met.












