Hebei Huayang Steel Pipe Co., Ltd is one of the most experienced manufacturers and suppliers of apl spec 5l 325mmx7mm x56m psl2 in China. Welcome to buy discount apl spec 5l 325mmx7mm x56m psl2 made in China here from our factory. Quality products and low price are available.
Product introduction
Product Description
1. Basic Product Specifications
- Product Name: API Spec 5L 426mmx11mm X60M PSL2 Steel Pipe
- Executive Standard: API Spec 5L (Latest Version)
- Fixed Dimension: Outer Diameter 426mm, Wall Thickness 11mm
- Steel Grade: X60M (Thermo-Mechanical Controlled Process)
- Quality Level: PSL2 (Premium Specification Level 2)
- Low-Temperature Performance: Mandatory -20℃ Charpy Impact Test Qualified
- Production Process: LSAW longitudinal submerged arc welding, online internal & external burr removal, weld stress relief treatment
- Standard Length: 6m, 12m; customized fixed length available
- Applicable Media: Natural gas, crude oil, refined oil, low-corrosive petrochemical media
- Working Pressure: Suitable for medium and high-pressure oil & gas trunk transmission systems
- Pipe End Treatment: 30°–37.5° beveled welding ends, plastic anti-collision end caps
- Surface Treatment: Black anti-rust oil, hot dip galvanized, 2PE/3PE external anti-corrosion, FBE coating, internal epoxy lining optional
- Core Features: API 5L PSL2 premium grade, X60M TMCP steel, -20℃ low-temperature toughness, high pressure resistance, zero leakage, strict flaw detection, dedicated for oil & gas trunk pipelines
2. Core Product Advantages
2.1 PSL2 Premium Grade Strict Quality Control
2.2 X60M TMCP Steel Excellent Mechanical Performance
2.3 Professional -20℃ Low-Temperature Impact Resistance
2.4 High-Integrity Weld Structure & Zero Leakage
2.5 426mm Standard Caliber & Strong Compatibility
2.6 Diversified Anti-Corrosion & Long Service Life
3. Dimensional Tolerance Standard (API 5L)
Inspection Item | Standard Tolerance |
Outer Diameter (426mm) | ±1.0% of nominal OD |
Wall Thickness (11mm) | +12% / −10% |
Pipe Straightness | ≤1.5mm per meter |
Out-of-Roundness | ≤1.0% of outer diameter |
Pipe Length | +100mm / −0mm |
4. Mechanical & Chemical Properties (X60M PSL2)
4.1 Mechanical Properties
Steel Grade | Min. Yield Strength | Tensile Strength | Min. Elongation | Core Test Item |
X60M PSL2 | ≥415MPa | 517–758MPa | ≥18% | -20℃ Charpy Impact Qualified + 100% Hydrostatic Test |
4.2 Chemical Composition (Max, PSL2)
C | Si | Mn | P | S |
0.12% | 0.40% | 1.60% | 0.020% | 0.010% |
5. Manufacturing Process
- Raw Material Inspection: Adopt API 5L standard X60M TMCP steel plates, strictly inspect chemical composition and mechanical properties, focus on low-temperature toughness indicators to ensure compliance with PSL2 requirements.
- Plate Edge Milling: Precision edge planing and deburring to ensure flat welding gap and high welding seam uniformity.
- Multi-Roll Precision Forming: Gradual circular forming to guarantee uniform roundness and consistent wall thickness of 426mm pipe blank.
- Double-Sided Submerged Arc Welding: Automatic closed-loop parameter control to realize full penetration welding, stable weld quality.
- Weld Burr Removal: Online internal and external weld scarving to remove residual flash, ensure smooth inner pipe wall and low fluid resistance.
- Weld Stress Relief Treatment: Eliminate welding residual stress, improve weld toughness and low-temperature resistance.
- Sizing & Straightening: Precision calibration to standard 426mm outer diameter, correct pipe linearity to meet API tolerance standards.
- Fixed-Length Cutting: Neat burr-free cutting according to customer required length.
- Full Standard Inspection: 100% hydrostatic pressure test, full weld UT/RT non-destructive flaw detection, -20℃ low-temperature impact test and full dimensional recheck.
- Marking & Anti-Corrosion Treatment: Laser permanent marking of API standard, grade, dimension, batch number; customized anti-rust and anti-corrosion coating processing.
- Export Standard Packaging: PE film waterproof wrapping, high-strength steel strip bundling, plastic end caps protection for long-distance sea and land transportation.
6. Main Application Scope
- Medium and long-distance trunk pipelines for onshore crude oil and natural gas transmission
- Oil field gathering and transportation pipelines, well site connecting and station matching pipelines
- Petrochemical plant medium-pressure process fluid and product oil transmission pipelines
- Low-temperature seasonal change areas and temperate zone oil & gas pipeline projects
- Municipal natural gas main pipe network and large energy supporting projects
- Global EPC petroleum energy projects requiring API 5L PSL2 & low-temperature impact certification
7. Quality Inspection & Certification
- Strictly compliant with API Spec 5L international petroleum pipeline standard
- PSL2 premium level production, with stricter quality control than conventional PSL1 pipes
- Completed mandatory -20℃ Charpy low-temperature impact test and full weld NDT inspection
- 100% full-length hydrostatic pressure test to ensure pipeline airtightness
- Complete Mill Test Report (MTR) and API qualification certificates provided
- Support SGS, BV, TUV third-party sampling inspection and project acceptance
- ISO 9001 quality management system certified production
- Full batch traceability from raw materials to finished products delivery
8. Packaging & Delivery
- Packaging: Black anti-rust oil coating, waterproof PE film wrapping, heavy-duty steel strip bundling, plastic anti-collision end caps for pipe ends; anti-corrosion pipes with enhanced wear-resistant packaging.
- Product Marking: Laser permanent marking including API 5L standard, X60M PSL2 grade, 426×11mm dimension, batch number, impact test temperature and production date.
- Trade Terms: FOB, CIF, CFR, DAP global delivery support
- Shipping Ports: Tianjin, Qingdao, Shanghai, Ningbo
- Customization Service: Custom fixed length, 3PE/FBE/epoxy anti-corrosion coating, special pipe end processing
- Delivery Cycle: Conventional specifications 7–12 working days; customized anti-corrosion products 12–20 working days
9. Why Choose Our API 5L 426mm×11mm X60M PSL2 Pipe
- Premium PSL2 X60M Grade: Adopt TMCP controlled rolling process, stable mechanical performance, meet international high-standard energy project requirements
- Certified -20℃ Low-Temperature Toughness: Professional low-temperature impact test qualified, adapt to variable temperature and low-temperature service environments
- Strict API Standard Production: Full-process compliance with API 5L specifications, precise dimensional tolerance and stable batch quality
- Zero Leakage Weld Performance: Double-sided submerged arc welding + full flaw detection, reliable for long-term high-pressure oil & gas transmission
- Professional Project Matching: Standard caliber with high fitting compatibility, reduce project construction and matching costs
- Complete Certification & Inspection: Full MTR documents and third-party inspection support, convenient for global project acceptance
About us
Hebei Huayang Steel Pipe Co., Ltd. was founded in 2005, with a registered capital of 500 million yuan. The company covers an area of more than 1,000 mu, with annual sales of 10 billion yuan, more than 600 employees and an annual productivity of 2.75 million tons. The company has 17 new automatic steel pipe production lines and 14 high-frequency production lines, with a diameter of 73-660 mm; Three double-sided submerged arc welded steel pipe production lines with diameters of 406.4-1422.4mm;; 24 hot tube expanding production lines, with a diameter of 230-820mm; Two anticorrosion steel pipe production lines with a diameter of 73-1626 mm; 2 automatic painting production lines. With 3 branches and 5 offices, the products are sold to various cities and exported to more than 80 countries such as Southeast Asia, Middle East, Europe and America.
Packaging, transportation and delivery
Packaging, transportation and delivery
At Hebei Huayang Steel Pipe Co., Ltd., we apply standardized and reliable packaging solutions for all our steel pipe products. Our pipes can be securely packed by hexagonal bundling or circular bundling according to product diameter, wall thickness and customer requirements. Each pipe end is protected with high‑strength plastic pipe caps to avoid collision damage, dust and moisture during transportation and storage. The whole bundle is firmly wrapped with durable woven bags to enhance stability and prevent scratches or deformation.
We support a complete range of transportation methods to satisfy global customers, including road transportation, railway transportation, sea freight and container shipping. Based on our strategic location in Cangzhou, Hebei Province, we enjoy convenient access to major ports such as Tianjin Port, which greatly improves logistics efficiency and reduces transportation costs.
For standard specifications and normal order quantities, the general delivery time is about 30 days after order confirmation and deposit receipt. For large‑scale orders, special sizes or customized processing requirements, our production and sales team will formulate a detailed production plan and provide an accurate delivery schedule accordingly to ensure on‑time supply and stable performance for projects and clients worldwide.
Strict quality control
1. During and after the production, experienced quality inspectors randomly check the products to ensure that each steel pipe is qualified for production and application.
2. A nationally recognized laboratory with CNAS certification and certification by French Classification Society.
3. Have CNOOC access certificate, KOC oil company access network, ADNOC Abu Dhabi oil company access network, Petrobras access network, etc.
4. Accept the inspection by the third party designated/paid by the buyer, such as SGS and BV.
Workers are testing
Corner of the laboratory
Steel pipe sample
Loading site
Certifications
API 2B
API 5L
GOST
ISO 9001
EN 10219
EN 10210
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