Threaded and Coupled Pipes

Description

1. Product Overview
   Threaded and Coupled Pipes are precision-engineered steel pipes designed with threaded ends and matching couplings to enable secure, leak-resistant connections in demanding pipeline systems. They are widely used in oil & gas, water transmission, construction, and industrial fluid transport applications where quick assembly and reliable sealing are critical. The product delivers exceptional mechanical integrity, ease of installation, and long service life under high-pressure and corrosive environments. Strategically, threaded and coupled pipes play a vital role in reducing installation downtime while ensuring operational continuity across large-scale infrastructure projects.
2. Key Specifications & Technical Characteristics

• Material Composition: Carbon Steel (API 5L Gr B / X42 / X52 / X65), Stainless Steel (304/316 optional)
• Manufacturing Standard: API 5CT / API 5L / ASTM A53 / ASTM A106 compliant
• Pipe Type: Seamless or Welded (ERW/HFW)
• End Finish: Precision threaded ends with factory-fitted couplings
• Thread Type: BTC (Buttress Thread), LTC (Long Thread), STC (Short Thread) or customized
• Diameter Range: 1/2” to 20” (custom sizes available)
• Wall Thickness: SCH 20 – SCH 160 / custom thickness options
• Surface Coating: Black painted, anti-corrosion oil coating, or galvanized (optional)
• Packaging: Bundled with steel straps, protective caps on both ends, seaworthy export packing
• Shelf Life: Indefinite under proper dry storage conditions

3. Core Industrial Applications
   Threaded and Coupled Pipes are extensively utilized across oil and gas drilling operations, water well construction, and petroleum transportation networks. They are also deployed in infrastructure projects such as municipal water supply systems, piling works, and underground utility installations. Their threaded design ensures fast assembly and disassembly, making them ideal for remote or high-turnover field operations. Compared to welded alternatives, these pipes reduce installation time, require minimal specialized labor, and offer superior flexibility in maintenance and replacement, enhancing operational efficiency and lifecycle cost savings.
4. Competitive Advantages

• High dimensional accuracy ensuring perfect thread engagement and leak prevention
• Consistent metallurgical quality meeting international API and ASTM standards
• Reliable global supply capability supporting large-scale infrastructure projects
• Cost-efficient installation due to reduced welding and labor requirements
• Enhanced corrosion resistance through advanced coating and material selection
• Environmentally responsible manufacturing processes aligned with industrial compliance standards
• Comprehensive technical documentation and quality certification support for project approval and procurement assurance

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): BULK 20 MT
• Loading Capacity: 20–27 MT per 20FT container (depending on pipe size and wall thickness)
• Packaging: Export-grade bundled packing with end protection
• Supply Capability: Large-scale continuous production for long-term contract supply
• Delivery Terms: FOB / CIF / CFR available upon request