union

Union

At Metrade, we specialize in providing high-quality Forged Unions that deliver reliable, durable, and leak-proof connections for your piping systems. Each union supports smooth assembly and disassembly, allowing you to handle maintenance, repairs, and system modifications with greater efficiency. Our team applies strict quality standards and advanced machining techniques to ensure consistent performance in a wide range of demanding environments.

A typical fitting features three essential parts—the body, nut, and tailpiece—threaded together to form a secure and dependable connection. With their solid, one-piece construction, our forged unions withstand high pressure, extreme temperatures, and harsh operating conditions with ease. Their durability enhances overall system stability, reduces downtime, and helps your operation maintain long-term efficiency across various industrial applications.

Dimensions        - 1/4" – 2"



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


Material

Specification

Grades
Carbon SteelASTM A105A105
Low Temperature Carbon SteelASTM A350

A694
LF2 and LF3

F52
Stainless Steel and Special Stainless SteelASTM A182F51, F60, F53, F55, F61, F44, UNS N08367, UNS N08926
Alloy SteelASTM A182

ASTM A788
F5 / 9 / 11 / 22 / 91

AISI 4140
Nickel Alloy 200/201B564UNS N02200/N02201
Nickel Alloy 276B564UNS N10276 - Hastelloy C-276
Nickel Alloy 400B564UNS N04400 - Monel 400
Nickel Alloy 600B564UNS N06600 - Inconel 600
Nickel Alloy 625B564UNS N06625 - Inconel 625
Nickel Alloy 800H/800HTB564UNS N08810/N08811 - Incoloy 800H/HT
Nickel Alloy 825B564UNS N08825 - Incoloy 825
Titanium AlloyB381Gr 1 / 2 / 5 / 7

A union is a high-pressure pipe fitting used to connect two pipes and allow easy disconnection without causing deformation or damage to the piping system. Made by forging carbon steel, stainless steel, or alloy steel under high pressure, forged unions offer exceptional strength, durability, and resistance to corrosion, temperature, and mechanical stress. They are ideal for applications requiring frequent assembly and disassembly, such as in maintenance operations or equipment connections in industries like oil and gas, petrochemical, power generation, and chemical processing. A standard forged union consists of three parts: a male end, a female end, and a central nut that draws the ends together to form a tight, leak-proof seal. Their compact design, ease of installation, and ability to maintain a strong, reusable joint make forged unions a reliable choice in high-performance piping systems.