buttweld cap

Buttweld Cap

At Metrade, we supply a comprehensive range of buttweld caps that provide a secure and efficient seal for the ends of piping systems. These components create a permanent, leak-proof closure, preventing internal pressure loss and blocking external contamination. Each buttweld cap is precision-engineered to protect pipeline integrity, shielding it from damage, corrosion, and impurities that could affect performance.

Designed for strength and reliability, our products operate dependably even in the most demanding industrial settings, including oil and gas, petrochemical, and power generation sectors. Metrade follows strict international quality standards and applies meticulous attention to detail. Our solutions extend the lifespan of piping systems, reduce maintenance demands, and support consistent safety and efficiency. Whether used in high-pressure systems or general industrial applications, our cap range delivers lasting reliability and trusted performance.

Dimensions        - 1/2" – 48"(Bigger size upon request)



Materials             - Carbon Steel
                              - Low Temperature CS
                              - Stainless Steel
                              - Special Stainless Steel
                              - Alloy Steel
                              - Nickel Alloy
                              - Titanium Alloy


Material

Specification

Grades
Carbon SteelASTM A234WPB
Low Temperature Carbon SteelASTM A420

A860
WPL6, WPL9, WPL3, WPL8

WPHY42, WPHY46, WPHY52, WPHY60, WPHY65, WPHY70
Stainless Steel and Special Stainless SteelASTM A403
ASTM A815
F51, F60, F53, F55, F61, F44, UNS N08367, UNS N08926
Alloy SteelASTM A234AISI 4130
Nickel Alloy 200/201B366UNS N02200/N02201
Nickel Alloy 276B366UNS N10276 - Hastelloy C-276
Nickel Alloy 400B366UNS N04400 - Monel 400
Nickel Alloy 600B366UNS N06600 - Inconel 600
Nickel Alloy 625B366UNS N06625 - Inconel 625
Nickel Alloy 800H/800HTB366UNS N08810/N08811 - Incoloy 800H/HT
Nickel Alloy 825B366UNS N08825 - Incoloy 825
Titanium AlloyB862Gr 1 / 2 / 5 / 7

A Buttweld Cap is a type of pipe fitting used to seal the end of a pipeline or pressure vessel, providing a permanent and leak-proof closure. It is welded onto the end of a pipe, forming a smooth, continuous joint that ensures structural integrity and prevents the entry of contaminants or leakage of process fluids. Buttweld caps are available in a wide range of sizes, schedules, and materials to suit different pressure and temperature requirements. Common materials include carbon steel, stainless steel, alloy steel, duplex and super duplex stainless steels, and nickel-based alloys. These fittings are widely used in industries such as oil and gas, petrochemical, power generation, water treatment, and chemical processing, where secure pipeline terminations and corrosion resistance are essential.