Carbon Steel (CS) Butt Weld (B/W) Cap
The Carbon Steel Butt Weld Cap (CS B/W Cap) is a precision-manufactured pipe end closure fitting used to seal the open end of a pipeline using a butt-welded joint. Produced to ASTM A234 / ASME SA234 Grade WPB, it is designed for high-pressure and elevated-temperature service in industrial piping systems. Bevel-end and plain-end configurations are available, with dimensions conforming to ANSI/ASME B16.9. Supplied by Mustafa Ashqar Trading LLC (MATC), a trusted carbon steel pipe fittings supplier in Dubai and UAE.
Specifications
| Property | Details |
|---|---|
| Product Name | Carbon Steel Butt Weld Cap |
| Material Grade | ASTM A234 / ASME SA234 Grade WPB |
| Construction | Seamless · Welded · Fabricated |
| Size Range | 1/2″ to 48″ (Seamless up to 48″ · Welded up to 72″) |
| Wall Thickness | SCH 10 to SCH 160 · XXS |
| End Type | Butt Weld — Beveled or Plain End |
| Dimensional Standard | ANSI/ASME B16.9 · DIN 2617 · EN 10253-4 · JIS B2312 |
| Material Standard | ASTM A234 · ASME SA234 |
| Temperature Range | –29°C to 427°C (–20°F to 800°F) |
| Surface Treatment | Black Oxide · Hot-Dip Galvanized · Painted (as required) |
| Test Certificates | MTR · EN 10204/3.1B · Third-Party Inspection |
| Media | Water · Steam · Oil · Gas · Chemicals |
| Applications | Oil & Gas · Petrochemical · Power Generation · HVAC · Marine |
| Availability | Dubai · UAE |
Need a Carbon Steel Butt Weld Cap or other CS pipe fittings in the correct size, schedule, and grade for your piping system? Contact MATC’s experts today for fast support and the right specification from a trusted carbon steel pipe fittings supplier in Dubai and UAE.
Key Features
- Manufactured from ASTM A234 Grade WPB carbon steel for high-temperature pressure piping and vessel applications.
- Butt-weld design with beveled/plain ends ensures full-penetration welds for strength and leak-free performance.
- Available in seamless, welded, and fabricated types from 1/2″ to 48″ sizes.
- Wide schedule range from SCH 10 to SCH 160 and XXS for standard and heavy-duty pipelines.
- Rated for –29°C to 427°C, suitable for steam, hot oil, gas, and chemical systems.
- Complies with ANSI/ASME B16.9, DIN 2617, and EN 10253-4 standards for global compatibility.
- Heat-treated for improved tensile strength, yield strength, and toughness.
- Supplied with MTR and EN 10204/3.1B certification for full traceability and quality assurance.
