Nascent Fittings Inc.
COUPLING
Socket weld & threaded forged fittings to ASME B16.11 in SS, CS, alloy & nickel. Elbows, tees, unions, couplings with MTCs and global shipping.

- Size
- 1/4" NB
- Standard
- ASME B16.11
About
About Forged Fittings
Manufacturing note
Couplings are a forged steel fitting used to connect two lengths of pipe, and Half-coupling is screwed onto the pipe, while the other end is made to be tightly inserted, or welded, onto the other end to pipe or vessel. A coupling is a mechanical device that connects similar or dissimilar shafts in machines to transmit power and movement. It is usually a temporary connection (but can be permanent in some cases) and capable of removal for service or replacement. Nascent Fittings is a globally recognized Manufacturer and Exporter of Forged Couplings. These couplings are manufactured under the close supervision of experienced professionals. Nascent employs sophisticated technology and cutting-edge tools to ensure the highest possible level of product quality. They also have a highly skilled and well-trained team of experts who use their experience to guide workers at all stages of the manufacturing process, ensuring that only the highest quality, most accurate products are developed in the industry.
Materials
COUPLING by material

Duplex Steel COUPLING
Size · 1/2″ NB to 4″ NB(Socket Weld & Threaded)

Low Temperature Carbon Steel COUPLING
Size · 1/2″ NB to 4″ NB(Socket Weld & Threaded)

Nickel Alloy COUPLING
Size · 1/2″ NB to 4″ NB(Socket Weld & Threaded)

Monel COUPLING

Hastelloy COUPLING

Stainless Steel COUPLING
Size · 1/2″ NB to 4″ NB(Socket Weld & Threaded)

Alloy Steel COUPLING
Size · 1/2″ NB to 4″ NB(Socket Weld & Threaded)

Carbon Steel COUPLING
Size · 1/2″ NB to 4″ NB(Socket Weld & Threaded)

Copper Alloy COUPLING
Grades · UNS C70600 (Cu-Ni 90/10) · UNS C71500 (Cu-Ni 70/30) · UNS C71640
Compliance
Standards & certificates
Specifications and documentation typically referenced for this product line — details from our shared compliance catalog.
Standards
2ASME B16.11
ASMEForged fittings — socket-welding and threaded.
- Scope
- Ratings, dimensions, tolerances, marking and material requirements for forged fittings.
- Applies To
- Socket-weld and threaded elbows, tees, couplings, unions, plugs and bushings
- Class Range
- Class 2000, 3000, 6000 (and related pressure classes)
MSS SP-95
MSSSwage(d) nipples and bull plugs.
- Scope
- Dimensions and marking for swage nipples and bull plugs.
- Applies To
- Concentric and eccentric swage nipples, bull plugs
Manufacturing
Crafted with care
Workshop and production views for COUPLING — the same craftsmanship photos from our plant archives, shown in webp.
3 photos



People also ask
Questions about Forged Fittings
Nascent Fittings Inc. answers common buyer questions for this line.
Does Nascent Fittings Inc. manufacture Forged Fittings?+
Yes. Nascent Fittings Inc. manufactures and supplies Forged Fittings for industrial piping projects, with material grades and sizes aligned to project specifications.
Can Nascent Fittings Inc. export Forged Fittings worldwide?+
Yes. We export Forged Fittings globally with standard export packaging, material test certificates, and documentation support for international shipments.
What materials are available for Forged Fittings?+
Forged Fittings is available in carbon steel, alloy steel, stainless steel, duplex, nickel alloys, copper alloys, aluminium, titanium and other project-specific materials as required.
Need pricing for COUPLING?
Share sizes, material grade and quantity — manufacturing options and delivery timelines follow.

















