Thick Wall Large Diameter Spiral Steel Pipe
For demanding large-scale infrastructure and industrial projects, the choice of piping is critical. Our thick wall large diameter spiral steel pipe is engineered to meet the most rigorous specifications and standards, providing unmatched structural integrity and longevity. This product line is designed to handle high-pressure applications, corrosive environments, and significant earth loads, making it an ideal solution for major water transmission, piling, and heavy-duty construction. We adhere strictly to international standards to ensure performance and safety. You can explore our high-quality API 5L Large Diameter Spiral Pipe for oil and gas transmission applications, our robust ASTM A252 Spiral Piling Pipe for foundational support, our durable AWWA C200 Spiral Welded Steel Pipe for potable water systems, and our abrasion-resistant Large Diameter Spiral Pipe for Dredging for marine and land reclamation projects.
The manufacturing process of our Thick Wall Large Diameter Spiral Steel Pipe involves high-precision spiral welding of hot-rolled steel coils, producing a continuous, uniform helix seam. This method results in a pipe with superior strength-to-weight ratio and excellent dimensional stability across its entire length. The thick wall design provides exceptional resistance to internal and external pressures, making it suitable for deep burial, high-head water applications, and structural columns. Our production is supported by advanced non-destructive testing (NDT) methods, including ultrasonic testing and X-ray inspection, to guarantee weld integrity and overall pipe quality. We offer comprehensive customization, including various protective coatings and linings, to extend service life in aggressive environments.
Key Product Specifications & Parameters
- Manufacturing Standard: API 5L, ASTM A252, AWWA C200, EN 10219, etc.
- Outer Diameter (OD): 406 mm (16") up to 2540 mm (100") and larger.
- Wall Thickness: 6.0 mm up to 25.4 mm (1 inch), with custom thickness available.
- Pipe Length: Typically 6 meters to 12.5 meters, or as per project requirements (max. ~18m).
- Steel Grade: Common grades include GR.B, X42 to X70 (API 5L), Gr. 1, 2, 3 (ASTM A252).
- End Finish: Plain end, beveled end, or fitted with flanges/weldolets.
- Coating Options: External: 3-Layer PE, FBE, Bitumen. Internal: Cement Lining, FBE, Epoxy.
| Standard | Primary Application | Key Material Grades | Typical Yield Strength (Min) |
|---|---|---|---|
| API 5L PSL1 / PSL2 | Oil & Gas Transmission, Pipelines | B, X42, X46, X52, X56, X60, X65, X70 | 241 MPa (35,000 psi) to 483 MPa (70,000 psi) |
| ASTM A252 | Pipe Piling, Foundation Support | Grade 1, Grade 2, Grade 3 | 207 MPa (30,000 psi) to 345 MPa (50,000 psi) |
| AWWA C200 | Water Works, Sewage, Drainage | Various (Often specified per project) | As per specified steel grade (e.g., 290 MPa) |
| EN 10219 / EN 10217 | General Structural, Construction (EU) | S235, S275, S355, etc. | 235 MPa to 355 MPa |
Related Products
Hot Products
Galvanized Steel Strapping
Shunchen Galvanized Steel Strapping is a rigorously tested industrial packaging consumable, manufactured by an experienced Chinese metal packaging supplier. After six months of continuous heavy-load field testing in steel plants, freight yards and storage warehouses, this product boasts superior tensile strength and excellent anti-loosening performance. It is widely applicable for steel bundling, overweight cargo fixation, metal profile binding, pallet fastening and container cargo reinforcement. A full range of standard sizes is available, with each specification developed to match exclusive application scenarios. Every roll undergoes rigorous in-house quality inspection, making Shunchen a top supplier choice for global industrial buyers with heavy packaging requirements.
PC Steel Strand
Tianjin Shunchen Industrial is a professional Chinese manufacturer and supplier of prestressed steel strands. Adopting high-speed wire drawing, precise stranding and low-stress stabilization processes, our strands feature ultra-high tensile strength, ultra-low relaxation and excellent concrete bonding performance, solving the pain points of large stress loss, insufficient breaking load, poor anti-fatigue and short service life for bridges, viaducts, high-rise buildings and municipal prestressed projects. Welcome customers to send inquiries for free samples and competitive quotations.
Z Purlin
As the professional manufacturer, the Z Purlins produced by Tianjin Shunchen Industrial Company are indispensable high-strength cold-formed steel components in steel structure buildings, primarily used to support roof and wall systems, providing a stable load-bearing foundation. Choose Shunchen for reliable quality. We use high-quality steel of Q235B or Q355B, processed through hot-dip galvanizing for corrosion resistance. The temperature of the zinc pot is precisely controlled within the range of 450-460 degrees Celsius to ensure strong adhesion of the zinc coating and no missed areas. Our products comply with ISO9001 quality system certification and are backed by third-party zinc coating inspection reports.
Carbon Steel Channel Steel
Shunchen supplies premium Carbon steel channel steel, a grooved hot rolled structural steel with stable U-shaped cross-section, balanced load-bearing capacity and excellent weldability, bending, cutting and connecting performance, which acts as cost-effective core raw material for bulk international and cross-border mass procurement in building frameworks, mechanical frames, vehicle manufacturing, equipment supports and various engineering structural components for global buyers.
Hot Rolled Steel Hexagon Bar for Machining Parts
Shunchen provides Hot Rolled Steel Hexagon Bar For Machining Parts for wholesale purchase and industrial applications. Manufactured from Q235B and Q355B carbon structural steel, these hexagonal bars feature stable dimensions, machining-friendly surfaces and flexible processing options. Available with cutting, drilling, threading and surface treatments, they comply with GB, ISO, EN, ASTM and DIN standards for mechanical parts, fasteners and equipment manufacturing.
Carbon Steel Square Tube
Shunchen provides premium Carbon steel square tube, a hot-rolled hollow square steel profile ideal for large cross-border procurement in construction engineering, mechanical frame fabrication and industrial component manufacturing; with uniform square hollow cross-section, stable structural rigidity, superior bending resistance and great weldability, cutting and punching performance, this cost-effective hollow pipe is widely used in building supports, equipment brackets, guardrail blanks and transportation structural parts for overseas buyers.
- Related Blog
- Reviews
