Tianjin Tianyingtai Steel Pipe Co., Ltd. is one of the most credible manufacturers and suppliers of api 5l pipe in China. Welcome to consult the quotation and import cheap api 5l pipe made in China here from our factory.
▶ Why Choose Us as Your API 5L Pipe Supplier?
| Our Strength | What It Means for You |
|---|---|
| 🔧 Full Range Production | Seamless + ERW + LSAW + SSAW all under one roof |
| 🏭 Direct Mill Pricing | Competitive FOB/CIF rates, no middlemen |
| 📋 API Monogram Licensed | Guaranteed compliance with API quality system |
| 🌍 Global Export Experience | Projects in 60+ countries across Middle East, Africa, Southeast Asia, Latin America |
| 🛠️ Custom Service | Cut-to-length, special coatings, special ends, NACE compliance |
| 🚚 Fast Delivery | In-stock inventory for common grades; expedited production available |
| Product Name | API 5L/ASTM A106 Gr.B Steel Pipe Heavy Wall Carbon Seamless Steel Pipe and Tube |
| Material | 10#, 20#, 45#, 16Mn, A53(A,B), Q235, Q345, Q195, Q215, St37, St42, St37-2, St35.4, St52.4, ST35 |
| Wall Thickness | 4.5MM~60MM |
| Outer Diameter | 60.3MM~762MM |
| Length | Length:Single random length/Double random length5m-14m,5.8m,6m,10m-12m,12m or as customer's actual reques |
| Standard | API 5L, ASTM A53-2007, ASTM A671-2006, ASTM A252-1998, ASTM A450-1996, ASME B36.10M-2004, ASTM A523-1996, BS 1387, BS EN10296, BS 6323, BS 6363, BS EN10219, GB/T 3091-2001, GB/T 13793-1992, GB/T9711 |
| Grade | 10#-45#, 16Mn, A53-A369, Q195-Q345, ST35-ST52Grade A, Grade B, Grade C |
| Section Shape | Round Steel Pipe |
| Technique | Hot Rolled/Cold Drawing |
| Packing | Bundle, or with all kinds of colors PVC or as your requirements |
| Pipe Ends | Plain end/Beveled,protected by plastic caps on both ends, cut quare,grooved,threaded and coupling,etc. |
| Surface Treatment | 1. Galvanized2. PVC,Black and color painting3. Transparent oil,anti-rust oil4. According to clients requirement |
| Certificates | API ISO9001-2008,SGS.BV |
| Delivery Time | Usually within 10-45 days after receipt of advance payment |
▶ Key Features & Advantages
✅ Globally Recognized Standard: Manufactured strictly in accordance with API Spec 5L (45th Edition, 2024), accepted by operators, EPC contractors, and government authorities worldwide.
✅ Comprehensive Grade Range: From API 5L A25, A, B, X42, X46, X52, X56, X60, X65, X70, X80, X90 to X100 and X120, covering low-to-ultra-high strength applications.
✅ Multiple Manufacturing Processes:
Seamless (SMLS) – for high-pressure and critical service
ERW (Electric Resistance Welded) – cost-effective for onshore transmission
LSAW (Longitudinal Submerged Arc Welded) – for large-diameter onshore pipelines
SSAW/HSAW (Spiral Submerged Arc Welded) – for water, low-pressure gas, and structural piling
✅ PSL1 & PSL2 Compliant: PSL2 pipes feature Charpy impact testing, mandatory NDT, and traceable heat numbers for critical services.
✅ Sour Service Ready: Grades compliant with NACE MR0175 / ISO 15156 for H₂S-containing environments.
✅ Third-Party Approved: Inspected and certified by SGS, BV, TUV, DNV, Lloyd's, CE upon request.
✅ Full Traceability: Each pipe is marked with manufacturer, grade, size, heat number, and serial number, with complete MTC documentation.
💬 Get Your Free API 5L Pipe Quotation Now! Share your required grade, size, wall thickness, length, coating, quantity, and destination port - we will respond with a competitive offer within 24 hours. OEM, ODM, and project tender support are warmly welcomed.
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