Forged Fittings
ASME B16.11 Forged Fittings
Socket Weld Fittings
Threaded Pipe Fittings
MSS SP-83 Unions
MSS SP-95 Swage Nipples
3000# 6000# 9000# Fittings
High Pressure Forged Fittings
ASME B16.11 Forged Fittings
Socket Weld Fittings
Threaded Pipe Fittings
MSS SP-83 Unions
MSS SP-95 Swage Nipples
3000# 6000# 9000# Fittings
High Pressure Forged Fittings

Forged Pipe Fittings Manufacturer, Supplier & Exporter

We are a trusted forged fittings manufacturer and global supplier of a complete range of socket weld and threaded pipe fittings engineered for high-pressure, high-temperature, and critical-service piping systems. Our forged fittings — including elbows, tees, couplings, unions, crosses, caps, plugs, bushings, and nipples — are manufactured in carbon steel, stainless steel, alloy steel, duplex, super duplex, and nickel alloys, conforming to ASME B16.11, MSS SP-79, MSS SP-83, MSS SP-95, and MSS SP-97. Available in socket weld (SW) and threaded (THRD) end connections across pressure classes 2000#, 3000#, 6000#, and 9000#, our forged fittings are supplied to engineering contractors, EPCs, refineries, power plants, and industrial procurement teams across more than 60 countries worldwide.

Forged Pipe Fittings Manufacturer

Types of Forged Fittings We Manufacture

We manufacture and export the complete range of socket weld and threaded forged pipe fittings to ASME B16.11 and related MSS standards, in all pressure classes and materials — from ¼" to 4" NPS.

90° Forged Elbow Socket Weld Threaded ASME B16.11
90° Elbow — SW & Threaded

Changes pipe direction by 90°. Available in socket weld and threaded ends. The compact forged body withstands significantly higher pressures than equivalent cast elbows. Manufactured to ASME B16.11.

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45° Forged Elbow Socket Weld Threaded ASME B16.11
45° Elbow — SW & Threaded

Provides a 45° change in pipe direction. Used in combination with 90° elbows for specific routing configurations. The shorter deflection angle results in lower pressure drop. Manufactured to ASME B16.11.

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Forged Equal Tee Socket Weld Threaded ASME B16.11
Equal Tee — SW & Threaded

All three openings — two run ends and the branch — are the same nominal pipe size. Used to create a 90° branch from the main pipe run while maintaining full bore flow. Manufactured to ASME B16.11.

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Forged Reducing Tee Socket Weld Threaded ASME B16.11
Reducing Tee — SW & Threaded

Branch outlet is a smaller nominal pipe size than the main run. Eliminates the need for a separate bushing or reducing coupling at the branch connection. Available in a wide range of run × branch combinations. ASME B16.11.

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Full Coupling Forged Fitting ASME B16.11
Full Coupling — SW & Threaded

Straight cylindrical forged fitting used to join two pipes of the same nominal size end-to-end. Available in socket weld (sockets at both ends) and threaded (internal thread both ends) configurations. Manufactured to ASME B16.11.

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Half Coupling Forged Fitting ASME B16.11
Half Coupling — SW & Threaded

One socket weld or threaded end; the other end is plain for butt welding onto a pipe, vessel, or header. Standard fitting for creating a branch outlet on a main pipe. Manufactured to ASME B16.11.

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Forged Cross 4-Way Fitting ASME B16.11
Cross (4-Way) — SW & Threaded

Four openings at 90° — two in the run and two perpendicular branches. Used where two branches are required from the same point. Available in socket weld and threaded ends. Manufactured to ASME B16.11.

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Forged Cap Socket Weld Threaded ASME B16.11
Cap — SW & Threaded

Used to seal and close the open end of a pipe. The socket weld cap fits over the pipe end; the threaded cap screws onto a male-threaded pipe end. Used for pressure testing and permanent terminations. ASME B16.11.

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Forged Union Socket Weld Threaded MSS SP-83
Union — SW & Threaded

A three-piece fitting — male end, female end, and union nut — allowing two pipe sections to be connected and disconnected without rotating either pipe. Essential for systems requiring frequent dismantling. ASME B16.11 / MSS SP-83.

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Forged Hex Bushing Threaded ASME B16.11
Bushing (Hex & Face)

Male (external) thread on one end and female (internal) thread on the other. Used to connect a pipe or fitting of one size to a larger fitting. Available in hex and face patterns. Manufactured to ASME B16.11 / MSS SP-95.

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Forged Plug Hex Head Round Head ASME B16.11
Plug (Hex Head & Round)

Used to seal a female-threaded opening on a fitting, valve, or vessel. Available in hex head (external wrench flat) and round head (bull plug) configurations, in solid and hollow patterns. Manufactured to ASME B16.11 / MSS SP-95.

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Pipe Nipple Close Short Long Barrel MSS SP-95
Pipe Nipple

Short lengths of pipe with external (male) threads on both ends — used to connect two female-threaded fittings. Available in Close, Short, Long, and Barrel Nipple configurations. Manufactured to ASME B16.11 / MSS SP-95.

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Street Elbow Male Female Threaded ASME B16.11
Street Elbow (Male × Female)

External (male) thread on one end and internal (female) thread on the other — eliminating the need for a separate nipple between two fittings. Available in 90° and 45° configurations. Manufactured to ASME B16.11.

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Swage Nipple Concentric Eccentric MSS SP-95
Swage Nipple

Used to reduce from one pipe size to a smaller one in a threaded or socket weld assembly. Available in concentric and eccentric patterns and in hex or plain body configurations. Manufactured to MSS SP-95.

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End Connections, Pressure Classes & Size Range

Our forged fittings are available in socket weld and threaded end connections across four ASME pressure classes:
01

Socket Weld (SW) — The pipe end is inserted into a precision-machined socket and a fillet weld is applied around the outside joint. A 1.6 mm (1/16") gap is left before welding to allow for weld shrinkage. Stronger than threaded connections; preferred for Class 3000# and above and for hazardous fluid service.

02

Threaded (NPT / BSPT / BSPP) — Tapered or parallel thread connection without welding. NPT (ASME B1.20.1) is the most widely used standard globally. BSPT and BSPP are specified in European and Middle Eastern projects. Suitable for low-pressure, non-hazardous service and locations where welding is not permitted.

03

Pressure Classes — Class 2000# (utility & general piping) · Class 3000# (standard industrial service — most commonly specified) · Class 6000# (high-pressure hydraulic, steam, and chemical injection) · Class 9000# (subsea, offshore, and very high-pressure instrumentation service).

04

Size Range — ¼" NPS to 4" NPS (DN 8 to DN 100). Socket weld fittings are generally limited to NPS 3" in most pressure classes; for NPS 4" and above, butt weld fittings to ASME B16.9 are specified instead.

Materials & Grades Available

We supply forged fittings in an extensive range of materials to match the mechanical, thermal, and corrosion-resistance requirements of any application. All grades supplied with EN 10204 3.1 / 3.2 Mill Test Certificates.

Stainless Steel Forged Fittings

Stainless steel forged fittings deliver excellent corrosion resistance in chemical, pharmaceutical, food processing, and marine environments. All grades supplied to ASTM A182 specification.

SS 304 / 304L

(ASTM A182 F304 / F304L) General corrosion resistance; food processing, dairy, and chemical service

SS 316 / 316L

(ASTM A182 F316 / F316L) Superior chloride and acid resistance; pharmaceutical, offshore, and chemical processing

SS 316H

(ASTM A182 F316H) Elevated-temperature creep strength for high-temperature process service

SS 317 / 317L

(ASTM A182 F317 / F317L) Higher molybdenum content; superior corrosion resistance in concentrated acid service

SS 321

(ASTM A182 F321) Titanium-stabilised; resists sensitisation at sustained elevated temperatures

SS 347

(ASTM A182 F347) Columbium-stabilised; used in heat exchangers and high-temperature piping

Duplex & Super Duplex Stainless Steel Forged Fittings

Delivering approximately twice the yield strength of austenitic stainless steel with excellent resistance to stress corrosion cracking, pitting, and erosion — ideal for offshore, subsea, and chemical processing environments.

Duplex 2205

(UNS S31803 / S32205, ASTM A182 F51) Offshore topsides, chemical plant, and seawater cooling systems

Super Duplex 2507

(UNS S32750, ASTM A182 F53) Subsea equipment, desalination, and high-chloride offshore service

Super Duplex Zeron 100

(UNS S32760, ASTM A182 F55) High-temperature, high-chloride offshore and subsea service applications

Nickel Alloy Forged Fittings

For the most severe corrosive, high-temperature, and sour service environments where standard stainless steel grades are insufficient.

Inconel 600

(UNS N06600) High-temperature oxidation and carburisation resistance

Inconel 625

(UNS N06625) Outstanding corrosion resistance; offshore, chemical, and subsea service

Incoloy 825

(UNS N08825) Resistance to phosphoric and sulfuric acids; FGD and chemical plant

Hastelloy C276

(UNS N10276) Universal corrosion resistance across the widest range of aggressive media

Hastelloy C22

(UNS N06022) Superior resistance to oxidising and reducing acids and pitting attack

Monel 400

(UNS N04400) Seawater, hydrofluoric acid, and marine and alkali service

Alloy 20

(UNS N08020) Engineered for sulfuric acid and aggressive chemical process service

Titanium Grade 2

Exceptional corrosion resistance in seawater and oxidising media at low density

Carbon Steel Forged Fittings

Carbon steel is the standard material for forged fittings in general-purpose, hydrocarbon, steam, and elevated-temperature service. The primary grade for forged carbon steel fittings is ASTM A105.

ASTM A105

Primary grade for forged carbon steel fittings and flanges — covers ambient and elevated-temperature service in pressurised piping systems.

ASTM A350 LF2

Low-temperature carbon steel, impact-tested for service down to -46°C (-50°F) — LNG, cold climate, and cryogenic piping applications.

ASTM A350 LF3

Low-temperature carbon steel, impact-tested to -101°C (-150°F) — for the most demanding cold-temperature service applications.

Alloy Steel Forged Fittings

Chromium-molybdenum alloy steel grades for high-temperature, high-pressure service in power generation, petrochemical, and refinery applications. All grades supplied to ASTM A182 specification.

ASTM A182 F5

(5% Cr · ½% Mo) Refinery hydroprocessing and high-temperature service

ASTM A182 F9

(9% Cr · 1% Mo) High-temperature steam and hydrogen-rich process service

ASTM A182 F11

(1¼% Cr · ½% Mo) Thermal power plant steam, feedwater, and reheat piping

ASTM A182 F22

(2¼% Cr · 1% Mo) Reactors and high-temperature pressure piping in petrochemical plants

ASTM A182 F91

(9% Cr · 1% Mo · V · Nb) Ultra-supercritical power plant main steam and hot reheat piping

Forged Fittings Standards & Specifications

Our forged pipe fittings are manufactured and inspected to the following internationally recognised standards:
Standard
Scope
ASME B16.11

Forged fittings, socket welding and threaded — the primary governing standard covering all dimensions, tolerances, pressure-temperature ratings, and testing requirements.

MSS SP-79

Socket welding reducer inserts — governs forged reducer insert fittings for socket weld connections.

MSS SP-83

Class 3000 carbon steel pipe unions — socket weld and threaded unions manufactured to this MSS standard.

MSS SP-95

Swaged nipples and bull plugs — covers swage nipples (concentric and eccentric) and bull plug / hex plug fittings.

MSS SP-97

Integrally reinforced forged branch outlet fittings — socket weld, threaded, and butt-weld branch outlets (weldolet equivalents).

ASME B1.20.1

Pipe threads, general purpose (NPT) — governs the NPT taper thread form used on all threaded forged fittings for the US and global market.

BS 21 / ISO 7-1

British Standard Pipe threads (BSPT & BSPP) — taper and parallel BSP thread forms for European and Middle Eastern projects.

Pressure Classes: Class 2000# / 3000# / 6000# / 9000#
Size Range: ¼" NPS to 4" NPS (DN 8 to DN 100)
Thread Standards: NPT (ASME B1.20.1) · BSPT · BSPP

Frequently Asked Questions

Forged Fittings

What is the difference between socket weld and threaded forged fittings?

Socket weld fittings are joined to the pipe by inserting the pipe into a precision socket and applying a fillet weld around the outside joint — providing a stronger, leak-free connection suitable for higher pressures and hazardous fluid service. Threaded fittings are screwed onto the pipe using NPT or BSP threads without welding; they are used in low-pressure, non-hazardous service and locations where welding is not permitted. Both types are manufactured to ASME B16.11.

Forged fittings to ASME B16.11 are available in Class 2000#, 3000#, 6000#, and 9000#. Class 3000# is the most commonly specified for standard industrial process piping. Class 6000# is specified for high-pressure service such as hydraulic systems, high-pressure steam, and chemical injection. Class 9000# is reserved for the most demanding applications — subsea, very high-pressure instrumentation, and offshore wellhead service.

ASME B16.11 covers forged socket weld and threaded fittings in sizes from NPS ¼" (DN 8) to NPS 4" (DN 100). Socket weld fittings are generally limited to NPS 3" in most pressure classes. For sizes above NPS 4", butt weld fittings to ASME B16.9 are specified instead. NPS 4" socket weld fittings are available but less commonly specified, with butt welding preferred at that size and above.

The primary grade for forged carbon steel fittings is ASTM A105 — covering ambient and elevated-temperature service. For low-temperature applications, ASTM A350 LF2 (down to -46°C) or LF3 (down to -101°C) is specified. For alloy steel, the ASTM A182 series covers Cr-Mo grades (F5, F9, F11, F22, F91) and stainless steel grades (F304, F316, F51, F53, etc.) for high-temperature and corrosion-resistant service.

A half coupling has one socket weld or threaded end and one plain end for butt welding onto a pipe, vessel nozzle, or header. It is the standard fitting for creating a branch takeoff on a main pipe run — the plain end is saddle- or set-on-welded to the main pipe, and the socket or threaded end accepts the branch pipe. Half couplings are also used as instrument takeoffs, drain connections, and vent connections on vessels and heat exchangers.

Yes. We supply forged fittings manufactured from NACE MR0175 / ISO 15156-compliant materials with controlled hardness values. For carbon steel (ASTM A105), hardness is controlled to ≤ 22 HRC (≤ 237 HB). For stainless steel (SS 316L), duplex 2205, super duplex 2507, and nickel alloys (Inconel 625, Hastelloy C276), compliance is verified to the applicable part of ISO 15156. EN 10204 3.1 or 3.2 certificates confirming chemical composition, mechanical properties, and hardness are provided with every order.

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