API 5L X42 SSAW Carbon Steel Pipe 219-3620mm for Oil/Gas Pipelines, Waterworks, Piling & Industrial Conveying – CNAS Lab, In-House Coating, 30m Max Length
group nameAPI 5L Spiral Welded Line Pipe – SSAW for Oil & Gas Transmission
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Min Order5 ton
brand nameCangzhou Spiral Steel Pipe Manufacturers
modelapi 5l x42 pipe
payment methodL/C, T/T
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update timeFri, 28 Aug 2026 21:26:59 GMT
Paramtents
Certificate CE, API 5L, ISO 9001, 14001, 45001, CNAS
Producing Capacity 400,000 tons per year
Special Pipe api5l x42 pipe
Standard ASTM, ASTM A53 API 5L and so on
Oiled or Non-oiled Non-oiled
Secondary Or Not Non-secondary
Technique SAW
Grade API 5L X42
Length 1-30m or custom
Tolerance ±5% or custom
Outer Diameter 219.1mm-3620mm
Keywords Factory Wholesale ssaw api 5l carbon steel pipe large size
Invoicing by theoretical weight
Packging & Delivery
Min Order5 ton
Briefing
China Leading Spiral Welded Pipe Manufacturer – API 5L X42 SSAW Carbon Steel Pipe 219-3620mm for Oil/Gas Pipelines, Waterworks, Piling & Industrial Conveying – CNAS Lab, In-House Coating, 30m Max Length
Detailed
API 5L X42 SSAW Carbon Steel Pipe – Spiral Welded Pipe for Oil & Gas Pipelines, Waterworks & Structural Piling (219-3620mm OD, 6-25.4mm WT, Up to 30m Length)
Trusted by 5,000+ Pipe Projects Across 60+ Countries
For over 30 years, Cangzhou Spiral Welded Steel Pipe Manufacturing Co., Ltd. has been a leading force in China's spiral welded pipe industry. Our API 5L X42 SSAW carbon steel pipe is the preferred choice for oil and gas transmission, municipal water supply, bridge piling, and industrial conveying worldwide.
Product Specifications
| Parameter | Specification | Key Advantage |
| Standard | API 5L PSL1 / PSL2 | Full compliance with international pipeline standards |
TRADE TERMS | FOB/ CFR/ CIF/ EXW/ FCA | |
CERTIFICATES | CE ISO9001 ISO14001 ISO45001 CNAS BV API 5L, etc | |
SURFACE | GALVANIZED, PAINTED (BLACK, RED, GRAY OR OTHERS) , OR ANTI-RUST OILED 3PE PLE, etc. | |
DELIVERY TIME | 25-40 DAYS AFTER RECEIVE DEPOSIT OR LC | |
| Material Grade | X42 (Min. Yield Strength: 290 MPa / 42,000 psi)/ L290 / SS400 | High strength for demanding pipeline applications |
| Outer Diameter | 219 – 3,620 mm (8.6″ – 142.5″) | From small-diameter branch lines to ultra-large main pipelines, fully covered |
Wall Thickness | 6 – 25.4 mm | Precision-matched to different design pressure requirements |
Length | 1 – 18m standard, up to 30m on request | Longer lengths reduce field welding joints, cut installation costs, and lower leak risks |
Process | Double-sided submerged arc welding (SSAW / DSAW),30 degree bevel suitable to welding | Superior weld integrity and consistent quality |
End Finish | Beveled ends / Plain ends / Threaded | Ready for on-site installation – no extra preparation needed |
HOT SALES MARKET | Southeast Asia, South Asia, Middle East, Europe, Middle&South America, Africa and Oceania | |
USAGE | Low pressure liquid / water / gas / oil / line pipe/Pipe Piling | |
Packing & Delivery | 1. OD 219mm and below In hexagonal seaworthy bundles packed by steel strips, With two nylon slings for each bundles 2. above OD 219mm in bulk or according to custom opinion 3. 25 tons/container and 5 tons/size for a trial order; 4. For 20" container the max length is 5.8m; 5. For 40" container the max length is 11.8m. | |
Strict Quality Control | 1)During and after production, 4 QC staffs with more than 5 years experience inspect products in random. 2) National accredited laboratory with CNAS certificates 3) Acceptable inspection from third party appointed/paid by buyer, such as SGS, BV. 4) Approved by Malaysia, Indonesia, Singapore, Philippines, Australia, Peru and UK. | |
After-Sales Service | Quality/Quantity Claims: The Buyer is entitled to make both quality and quantity claim in writing against the Seller within 90 days after arrival at the port of destination. | |
Primary Applications: Where Our X42 SSAW Pipe Excels
Oil & Gas Pipeline Transmission
Designed for long-distance onshore and offshore oil and gas trunk lines, gathering networks, and distribution systems. The spiral weld design distributes stress more evenly – the principal stress on spiral welds is only 75-90% of that on straight-seam welds under the same internal pressure, delivering an extra margin of safety.
Waterworks & Municipal Water Supply
Ideal for large-diameter raw water transmission, treated water distribution, and irrigation projects. Available with cement mortar lining to prevent internal corrosion and maintain water quality.
Bridge Piling & Foundation Structures
Widely used as structural pipe and driven piling for bridges, wharfs, marine platforms, and high-rise building foundations. Available in extra-long lengths (up to 30m) to reduce field splicing and accelerate project schedules.
Industrial Conveying (Slurry, Coal Powder, Chemicals)
Robust enough for abrasive and corrosive industrial environments. Custom coating options provide enhanced protection against wear and chemical attack.
Structural & Mechanical Applications
Serves as a reliable material for steel structures, scaffolding, and mechanical framework where strength and dimensional accuracy are critical.
CNAS-Accredited Laboratory – Quality You Can Verify
We don't just claim quality – we prove it. Our in-house laboratory is accredited by CNAS (China National Accreditation Service for Conformity Assessment) in compliance with ISO/IEC 17025 standards. Test reports issued by our lab are internationally recognized (accepted by ILAC MRA members across 100+ countries).
Every pipe undergoes a rigorous quality control process:
1 100% Ultrasonic Testing (UT) – full-body inspection for internal and surface defects
2 X-Ray Real-Time Imaging – weld integrity verification
3 Hydrostatic Pressure Test – leak-proof assurance at designated test pressures
4 Mechanical Testing – tensile, impact (including low-temperature), bend, and hardness tests
5 Chemical Composition Analysis – spectrometric verification of C, Mn, Si, S, P, and alloying elements
6 Third-Party Inspection – we welcome and fully support SGS, BV, DNV, and other independent inspectors
Every shipment includes a comprehensive Mill Test Certificate (MTC) with full traceability.
One-Stop Coating Services – In-House, Not Outsourced
We own and operate a dedicated anti-corrosion coating workshop, ensuring full quality control and faster turnaround. No need to coordinate multiple suppliers – we deliver finished pipes ready for their intended environment.
| Coating Type | Application | Key Benefit |
| 3LPE / 3LPP (Three-Layer Polyethylene / Polypropylene) | Buried long-distance pipelines | Excellent resistance to corrosion, mechanical damage, and soil stress |
| FBE (Fusion-Bonded Epoxy) – Single / Dual Layer | High-temperature and highly corrosive environments | Superior adhesion and cathodic disbondment resistance |
| Cement Mortar Lining | Water transmission pipelines | Prevents internal corrosion and maintains water quality |
Liquid Epoxy / Coal Tar Epoxy | Chemical and industrial piping | Chemical resistance for aggressive media |
Black Oil / Varnish Coating | Short-term protection during storage and transport | Cost-effective temporary anti-rust protection |
Galvanized Coating (Hot-Dip) | Structural and scaffolding applications | Long-lasting corrosion protection in atmospheric exposure |
Why Choose Wuzhou Spiral Welded Steel Pipe?
30+ Years of Manufacturing Excellence
Established in the early 1995s, we are a first-generation pioneer in China's spiral welded pipe industry. With three decades of continuous innovation and quality improvement, we have grown into one of Cangzhou's leading manufacturers – a title we've held for over a decade.
China's Pipe Capital Advantage
Located in Cangzhou, Hebei Province – the undisputed "Pipe Equipment Capital of China" – we enjoy a complete industrial ecosystem. Cangzhou's annual spiral welded pipe output reaches approximately 1.7 million tons, with our company accounting for a significant share among the top-tier producers. This gives us a cost advantage and supply chain reliability that smaller or non-cluster-based manufacturers simply cannot match.
Massive Production Capacity – Bulk Orders Welcome
Our modern production facilities enable us to handle large-volume orders with consistent quality and on-time delivery. Whether you need a single container or a full project shipment, we have the capacity and flexibility to deliver.
Custom Lengths, Diameters & Thicknesses
Not every project fits standard specifications. We support customized dimensions – from small-batch specialized orders to full-scale production runs – all backed by our engineering team's expertise.
Complete Logistics Support
Located within easy reach of Huanghua Port, we offer efficient export logistics. We handle all shipping arrangements, including:
* Containerized loading
* Break-bulk vessel shipment
* Inland transportation to rail or port terminals
Full documentation support (commercial invoice, packing list, BL, insurance, and certificates)
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- Nearest port for product export
- Tianjin Port, Port of Tangshan
- Delivery clauses under the trade mode
- FOB, CFR, CIF, EXW, FCA
- Acceptable payment methods
- T/T, L/C