Large Diameter Steel Pipe End Caps
Large-diameter steel pipe end caps are used to seal the ends of pipelines, pressure vessels, and industrial piping systems. They effectively prevent leakage, contamination, and mechanical damage under high-pressure and corrosive conditions, serving as critical sealing pipe fittings.
DHX manufactures large diameter steel pipe end caps using advanced forming technologies and strict quality control, ensuring excellent dimensional accuracy, mechanical strength, and long-term reliability for critical industrial applications.
- Manufacturing Technology: Seamless & Welded
- Material Options: Carbon Steel, Alloy Steel, Stainless Steel, Duplex Steel
- Standards: ASME B16.9, GB12459, DIN, GOST, JIS
Introduction
Our large diameter steel pipe end caps are engineered to meet the demanding requirements of oil & gas, power generation, chemical processing, and infrastructure projects. With a wide size range and wall thickness options, they are suitable for both low-pressure and high-pressure pipeline systems.
The end caps can be produced in seamless or welded construction depending on diameter, pressure rating, and project specifications. Advanced heat treatment and non-destructive testing processes ensure stable performance under extreme temperature, pressure, and corrosive working conditions.
Whether used for permanent pipeline closure or system protection during transportation and installation, DHX large diameter steel pipe end caps deliver consistent quality and dependable performance.
Product Specifications
Before the detailed specifications, DHX provides comprehensive customization and technical support for large diameter steel pipe end caps. Our engineering team supports material selection, dimensional optimization, coating solutions, and inspection requirements to match project drawings and international standards. OEM and ODM services are available, and all products can be manufactured according to specific application conditions and customer requests.
Technical Specifications
| Item | Details |
|---|---|
| Product | Cap / Steel Pipe End Cap |
| Technology | Seamless; Welded |
| Size Range | Seamless: DN15–DN1200 Welded: DN200–DN2000 |
| Wall Thickness | SCH10, SCH20, SCH30, STD, SCH40, SCH60, SCH80, SCH100, SCH120, SCH160, XS, XXS, High Thickness up to 150mm |
| Radius | 1D, 1.5D, 2D, 2.5D, 3D, 4D, 5D, 6D, 10D |
| Material | A234-WPB A420-WPL3 / WPL6 WP5, WP9, WP11, WP22 API 5L X42–X80 (NS / MS) WP304/L, WP316/L S31803, 2205 |
| Standard | ASME B16.9; GB12459; DIN 2615; GOST 17375; JIS B2311 |
| Coating | Anti-corrosive Paint; 3LPE Coating; Hot-dip Galvanized; Electro-Plating |
| Inspection | Chemical Analysis; Mechanical Properties; Metallographic Test; HIC / SSC; Heat Treatment; UT; PT; MT; RT; Hydraulic Pressure Test; Blasting Test (as required) |
| Application | Water Treatment; Electric Power; Chemical Engineering; Shipbuilding; Nuclear Energy; Waste Disposal; Natural Gas; Petroleum |
| Customization | Dimensions, materials, coatings, inspections available per customer requirements |
Product Features & Benefits
Premium Material Construction
Manufactured from high-quality carbon steel, alloy steel, and stainless steel to ensure excellent durability, corrosion resistance, and long service life.
Flexible Customization Options
DHX offers OEM and ODM services, allowing large diameter steel pipe end caps to be customized according to drawings, standards, materials, coatings, and inspection requirements.
Polished Surface Finish
The polished surface treatment provides a smooth and visually appealing finish, improving corrosion resistance and overall product appearance.
Compliance with International Standards
Precisely manufactured to comply with ASME, GB, DIN, GOST, and JIS standards, ensuring reliability and compatibility across global projects.
Excellent Mechanical Performance
Made from selected steel grades with outstanding strength, toughness, corrosion resistance, and thermal conductivity, making them ideal for demanding industrial applications.
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We offer butt-welded pipe fittings, steel pipes, and flanges in various materials and specifications to meet diverse pipeline engineering requirements. Our experienced technical team provides effective solutions tailored to your specific needs. Contact us today for a quote and consultation!