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Forged Steel Threaded Fittings


We manufacture and export threaded fittings that exhibit superior functioning. These threaded pipe fittings are designed & developed to meet diverse working conditions. These threaded fittings provide permanent welded connections for critical applications. Threaded joints probably represent the oldest method of joining piping systems. Like Socket Weld fittings, threaded fittings are mainly used for small pipe diameters (Small Bore Piping); generally for piping whose nominal

diameter is NPS 2 or smaller. The dimensional standards for taper pipe threads are given in ASME B1.20.1. That document gives all required dimensions including number of threads per inch, pitch diameter, and normal engagement lengths for all pipe diameters.


  • Threaded piping is commonly used in low-cost, noncritical applications such as domestic water, fire protection, and industrial cooling water systems.
  • Threaded fittings are normally made of cast gray or malleable iron, cast brass or bronze, or forged alloy and carbon steel.
  • They are available in three pressure ratings: 2000lbs, 3000lbs and 6000lbs.


NPT Thread
All fittings on this page are described, are provided with NPT thread, ASME B1.20.1. The American National Pipe Thread Tapered, is the best known and most widely used connection where the pipe thread provides both the mechanical joint and the hydraulic seal. NPT has a tapered male and female thread which seals with Teflon tape or jointing compound. Dimensions of American Taper Pipe Thread, with Sealant Compound.





Specifications of Forged Steel Threaded Fittings

• Material 

Carbon Steel    ASTM A 105 / N, ASTM A 350 LF2 Class

Alloy Steel    ASTM A 182 F5, ASTM A 182 F9, ASTM A 182 F11, ASTM A 182 F22, ASTM A 182 F91

Stainless Steel    ASTM A 182 F304/H/L, ASTM A 182 F310/H, ASTM A 182 F316/H/L, ASTM A 182 F317/L, ASTM A 182 F321/H, ASTM A 182 F347/H/L

Duplex Steel    ASTM A 182 F44, ASTM A 182 F51, ASTM A 182 F60, ASTM A 182 F61

High Performance Alloys    : Alloy600, Alloy 601, Alloy 625, Alloy800, Alloy825, Alloy 400, Alloy K500, Alloy C276, Titanium, Alloy 20, Nickel 200/201, Cupro Nickel 70/30, Cupro Nickel 90/10

Forged Threaded Stainless Steel Fittings : ASTM A182 F304, F304L, F306, F316L, F304H, F309S, F309H, F310S, F310H, F316TI, F316H, F316LN, F317, F317L, F321, F321H, F11, F22, F91, F347, F347H, F904L, ASTM A312/A403 TP304, TP304L, TP316, TP316L




Carbon Steel ASTM A105, A350 LF2, A106 Gr.B, A234 WPB

Dimension    :    ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799

Pressure    :    2000LBS, 3000LBS, 6000LBS

Size    :    1/8"~4" (DN6~DN100)

High Pressure Threaded Pipe Fittings

Pressure Class    2000LBS, 3000LBS, 6000LBS

Products    Elbow 90 Degree, Elbow 45 Degree, Tee, Cross, Union, Street Elbow, Coupling, Half Coupling, Reducing Coupling, Cap, Hex Head Bushing, Hex Head Plug, Square Head Plug, Round Head Plug, Bull Plug, Boss, Outlet, Hex Nipple, Swage Nipple

Dimension Specifications    ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799

Size    1/8″~4″ (DN6~DN100)

Forged Threaded Pipe Fittings Manufacturing Standards

ASTM A182 – ASME SA182    Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
ASME B16.9    Factory-Made Wrought Buttwelding Fittings
ASME B16.11    Forged Fittings, Socket – Welding and Threaded
MSS SP-43    Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications
MSS SP-95    Swage(d) Nipples and Bull Plugs
BS3799    Specification for Steel pipe fittings, screwed and Socket-welding for the petroleum industry


Threaded Piping Fittings

Ratings for Threaded Fittings are Class 2000, 3000, 6000. Choice of Class depends on thickness schedule of pipe, as given in ASME B16.11.

  1. Class 2000 for Sch80 and XS,
  2. Class 3000:Sch 160, 6000:XXS

Size range as per ASME B16.11 is 1/8″ to 4″.

Dimensional Standards

ASME B16.11 : Forged Fittings, Socket Welding and Threaded.

MSS-SP-83 : Class 3000 Steel Pipe Unions, Socket-Welding and Threaded


Materials of Construction

These fittings are forged fittings. So Materials of Construction are as follows.

  1.  A105  : Standard Specification for Carbon Steel Forgings for Piping Applications.
  2. A181 : Standard Specification for Carbon Steel Forgings, for General-Purpose Piping.
  3. A182 : Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service.
  4. A350 : Standard Specification for Carbon and Low-Alloy Steel Forgings, Requiring Notch Toughness Testing for Piping Components.

Sample Piping Material Specification

Elements : 45 Degree elbow, 90 Degree elbow, Equal Tee, Reducing Tee, Caps, Full Coupling, Reducing Coupling

  1. Material : CS : ASTM A105. Galvanised, NIC, HIC as per spec.
  2. Material : SS : ASTM A182 F304L
  3. Threaded : 2000:Sch80 and XS, 3000:Sch 160, 6000:XXS
  4. Ends : Threaded Female Ends,
  5. Dim Standard : ASME B16.11

Elements : Pipe to Tubing Adapter

  1. Material : CS:ASTM A105,
  2. Class : NA,
  3. Ends : Female threaded end / Compression twin ferrule, Dim Standard : Manufacturer.

Elements : Hex Head Bushing

  1. Material : CS : ASTM A105,
  2. Ends : Threaded Male / Threaded Female Ends.,
  3. Standard : ASME B16.11

Elements : Concentric Swage, Eccentric Swage

  1. Material : CS : Made from seamless pipe ASTM A234 Gr. WPB
  2. Material : SS : Made from seamless pipe ASTM A403 Gr. WP304LS
  3. Ends : Threaded Both Ends, Standard : BS3799

Element : Round Head Plug

  1. Material : CS : ASTM A105,
  2. Ends : Threaded Male Ends,
  3. Standard : ASME B16.11

Element : Union

  1. Material : CS : ASTM A105,
  2. Class : 3000,
  3. Ends : Compression Twin Ferrule both Ends,
  4. Standard : Manufacturer Standard



Product Description


  • SS 304 Pipe Fittings
  • Stainless Steel Pipe Fittings
  • Stainless Steel Plugs
  • Stainless Steel Couplings
  • Forged Full Couplings
  • Forged Equal Tee
  • Forged Street Elbow
  • Forged Sockets
  • Threaded Elbow
  • Threaded Tee
  • Threaded Coupling NPT
  • BSP Three Piece Union
  • High Pressure Pipe Fittings
  • High Pressure Forged Fittings
  • Threaded Pipe Fittings
  • NPT Forged Fittings
  • NPT Pipe Fittings
  • BSP Fittings


  • Coupling (Full & Half)
  • Socket (Full & Half)
  • Plug (Hex Head, Square Head, Round Head, Drain)
  • Cap
  • Elbow (45Deg & 90Deg)
  • Street Elbow
  • Tee (Run Type & Branch Type)
  • Cross
  • Union (3 Piece)
  • Nipple (Pipe Type & Hex Type)
  • Insert
  • Bushing
  • As per Client Customization / Drawing

Size Range:

  • 1/8"NB (6NB) to 4"NB (100NB)


Pressure Range:

  • 1500# to 9000#
  • 1000 Psi to 15000 Psi

Price Range: Rs. 300/Pieces - Rs. 5000/Pieces 


Contact Seller


Thread Fittings


Thread Fittings, Forged Pipe
90° Elbow

Thread Fittings, Forged Pipe
45° Elbow

Thread Fittings, Forged Pipe

Thread Fittings, Forged Pipe

Thread Fittings, Forged Pipe
Full Coupling

Thread Fittings, Forged Pipe
Half Coupling

Thread Fittings, Forged Pipe
Reducing Coupling

Thread Fittings, Forged Pipe

Thread Fittings, Forged Pipe
Hex Head Bushing

Thread Fittings, Forged Pipe
Hex Head Plug

Thread Fittings, Forged Pipe
Square Head Plug

Thread Fittings, Forged Pipe
Round Head Plug

Thread Fittings, Forged Pipe

Thread Fittings, Forged Pipe
Hex Nipple

Thread Fittings, Forged Pipe
Street Elbow

Thread Fittings, Forged Pipe
Bull Plug

Thread Fittings, Forged Pipe

Thread Fittings
Swage Nipple

Thread Fittings, Forged Pipe
Pipe Nipple

Thread Fittings, Forged Pipe

Thread Fittings, Forged Pipe
Union Male x Female

Thread Fittings, Forged Pipe
Branch Outlet

Thread Fittings, Forged Pipe
90° Elbow Outlet

Thread Fittings, Forged Pipe
45° Lateral Tee

Thread Fittings, Forged Pipe
Lateral Outlet

Thread Fittings, Forged Pipe
Nipple Branch Outlet



Forged Steel Threaded Fittings

ASME B16.11 Threaded Fittings, Forged Threaded Pipe Fittings

Forged Steel Threaded Fitting dimensions, Forged Threaded Fittings , ANSI B16.11 Threaded Fittings price, High Pressure Threaded Fittings

Marcel Piping is the well-known prestigious manufacturer, exporter, and supplier of forged threaded pipe fittings manufactured in accordance to ASME B16.11. Forged threaded pipe fittings are available ex-stock in all major stainless steel grades (ASTM A182 F316L, F304L) and ASTM A105. We are constantly adding to our diverse product range in order to better serve our valued customers.

ASME B16.11 Threaded Fittings Manufacturers in India

We offer various types of forged threaded fittings including threaded elbow, threaded tee, threaded cross, threaded bends, threaded coupling, threaded caps, threaded union, hexagon bushing, square plugs, and hexagon plugs. We also manufacture and supply fittings specially manufactured to meet your custom requirements in a variety of stainless steel and special alloy grades.

Types of ASME B16.11 Threaded Fittings





















The material for forged stainless steel fittings conforms to ASME A182
The dimensions for forged stainless steel fittings conform to ASME B16.11
NPT Threads conform to ASME B1.20.1

Forged Threaded Carbon Steel Fittings

Carbon Steel ASTM A105, A350 LF2, A106 Gr.B, A234 WPB

The material for forged carbon steel fittings conforms to the requirements of ASTM/ASME A105/SA105 The dimensions for forged carbon steel fittings conform to ASME B16.11
NPT Threads conform to ASME B1.20.1

Marking & Packing

Products are packaged to ensure that there is no damage during transit. In case of exports, the standard export packaging is done in wooden cases. All forged fittings are marked with Grade, Lot No, Size, Degree, and our trademark. On special requests, we can also, make custom marking on our products.

Quality Assurance

At Marcel Piping, all fittings and flanges are subject to strict inspection at each stage of the production process, from starting material purchasing to product dispatch. They are visually examined for conformity to ASTM, ASME, MSS, DIN, EN, and JIS codes and standards. Upon request, official certified Inspection Agencies can be called in to witness the material reports, dimensions and quality conformity of products.

Test Certificates:

Manufacturer Test Certificate as per EN 10204 / 3.1B, Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report





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