Forged Fitting Manufacturers in Kolkata


“We are Your Best Source For Forged Fittings Is Classified Below:-
Forged Pipe Fitting Manufacturers in Kolkata

The most trusted brand as a forged pipe fitting manufacturers in Kolkata, with stock in standard sizes available for immediate delivery worldwide. We manufacture stainless steel forged fittings, carbon steel forged fittings, as well as nickel alloy forged fittings. At MSI Fittings, forged fittings are available in NPT or BSPT threaded or socket weld (SW) form in various steel grades. Forged steel pipe fittings (Socket Weld Forged Pipe Fittings and Threaded Forged Steel Pipe Fittings) are machined from solid forgings. The quality of the fittings is critical in that they are designed to withstand higher pressures. In designing forged fitting, the most important factors are uniformity of wall, wide bands, sharp threads properly chamfered, and unrestricted flow.

We manufacture a wide range of threaded fittings and socket weld fittings such as elbow, cross, street elbow, tee, coupling, half coupling, cap, plug, bushing, union, outlet, sage nipple, bull plug, reducer insert, pipe nipple, etc. Forged pipe fittings are produced as per ASME B 16.11, MSS-SP-79\ 83\ 95\97 with pressure rating of 2000, 3000, 6000, and 9000 LBS. Generally, the raw material size for producing forged fittings is 19-85mm round bars. We are a specialist producer of socket weld and threaded fittings in stainless steel, carbon steel, alloy steel, and nickel alloys.

Forged Fitting Manufacturers in Kolkata

An ISO 9001:2015 Certified Company, MSI Fittings is one of the leading manufacturers of high-quality forged fittings in all major grades including ASTM A182, A105, A105N, A350 LF2, A182 F5, A182 F9, A182 F11, A182 F22, A182 F91. Our stainless steel and carbon steel ANSI Forged Fittings are available in 2000#, 3000#, 6000#, and 9000# pressure ratings and in either socket weld as or threaded ends. The raw materials used to manufacture forged fittings are purchased from reputed manufacturers in Kolkata. On the basis of skilled manpower and vast years of experience, MSI Fittings has become a well-recognized name among customers worldwide.

We produce forged pipe fittings for end-users and stockists all over the world.

A105/A105N Forged Fittings Manufacturer in Kolkata – Forged Elbow, Forged Tee, Forged Reducer, Coupling, Forged Cap, Forged Plugs, Bushing, Reducer Insert, Street Elbows, Boss

All our forged pipe fittings are supplied with test certificates as per EN 10204 3.1, with complete certifications of raw materials. Fitwel also offers a range of Mechanical Testing, Hydro Testing, and Non-Destructive Testing such as PMI, Ultra Sonic, Radiography, and Hardness to client specifications. Other specific testing or certification requirements can be provided upon request. We are capable of supplying the 3000# and 6000# forged fittings with the shortest lead times. Our stock of ASTM/ASME SA105N Forged Carbon Steel ranges from 1/8’’ to 4’’NB, 3000# and 6000# Screwed NPT or BSPT and Socket Weld. We can offer forged fittings with additional surface coatings such as Sand Blast Finish, Blackodised Finish, Electro Zinc, Aluminised, Phosphated, Self Colour, and with Hot Dip Galvanising.

An ISO 9001:2015 Certified Company, MSI Fittings is Kolkata’s most trusted manufacturer of forged fittings, socket weld fittings, and threaded fittings in Kolkata. All our fittings are manufactured with tested raw materials and are supplied with NABL approved lab test reports. On-demand, we can also provide, Hydro Testing Reports, Non-Destructive Test Reports, or Destructive Test Reports. Forged fittings in Kolkata are manufactured in accordance with ASTM, DIN, and ISO specifications.

We can also offer forged pipe fittings in Low Temp ASTM/ASME SA350 LF2 and Stainless Steel ASTM/ASME SA182 F304/L & F316/L. We manufacture and supply ANSI forged pipe fittings in all materials and pressures. On requests, we can also manufacture forged fittings as per customer drawings at competitive prices. We are a specialist in the production and export of a wide range of pipe fittings in carbon steel, high yield, alloy steel, stainless steel, duplex, super duplex, nickel alloys, and other exotic materials.

Product Forged Pipe Fittings
Materials ASTM A105, ASTM A182 (F304, F304L, F316, F316L, F304H, F316H, F317L, F321, F11, F22, F91)
Specification ASME B 16.11, MSS-SP-79\ 83\ 95\97
Size Range 1/8″ – 4″(6mm – 100mm)
Pressure Rating 3000, 6000, 9000 LBS
Technology Forged
Types Elbow, cross, street elbow, tee, coupling, half coupling, cap, plug, bushing, union, outlet, sage nipple, bull plug, reducer insert, pipe nipple etc.
Connection Socket Welded (male or female), Threaded

What are Forged Pipe Fittings?

Threaded Forged Fittings, Socket Weld Forged Fittings

Forged pipe fittings (Socket Weld and Threaded) are manufactured in compliance with ASME (American Society of Mechanical Engineers) B16.11, MSS SP-79\ 83\ 95\97 and BS3799 guidelines, and are utilized to connect nominal bore schedule pipes and pipelines.

What is the pressure rating for various types of forged fittings?

There are a number of forged fittings produced with different specifications, in size range of 1/8″ to 4″ (DN6-DN100). According to their applications, there are divided into two categories i.e. threaded fittings and socket-weld fittings.

  • Threaded Fittings: 2000, 3000 and 6000 lbs (140kgs/cm2-210kgs/cm2-410kgs/cm2) ( sch 40 – sch 80 – sch 160 ).
  • Socket Weld Fittings: 3000, 6000, 9000 lbs. ( sch 80 – sch 160 – xxs ).

What are the various Types of Forged Pipe Fittings?


Socket Weld Fittings Manufacturers in Kolkata

A Socket Weld Fittings Manufacturers in Kolkata is a pipe attachment detail in which a pipe is inserted into a recessed area of a Valve, fitting, or flange. In contrast to buttweld fittings, Socket Weld fittings are mainly used for small pipe diameters (Small Bore Piping); generally for piping whose nominal diameter is NPS 2 or smaller.
To join pipe to Valves and fittings or to other sections of pipe, fillet-type seal welds be used. Socket Welded Joints construction is a good choice wherever the benefits of high leakage integrity and great structural strength are important design considerations.
Fatigue resistance is lower than that in butt-welded construction due to the use of fillet welds and abrupt fitting geometry, but it is still better than that of most mechanical joining methods.
The purpose for the bottoming clearance in a Socket Weld is usually to reduce the residual stress at the root of the weld that could occur during solidification of the weld metal and to allow for differential expansion of the mating elements.

Socket Weld Fittings are family members of high pressure pipe fittings, which available in rating of Class 3000lb, 6000lb and 9000lb. They are used in areas where pipe-work is permanent and are designed to provide good flow characteristics. Usually in conjunction with ASME Pipe and are available in the same size range. We produced forged steel fittings in accordance with ASME B16.11. The B16.11 standard covers pressure-temperature ratings, dimensions, tolerances, marking, and material requirements for forged carbon and alloy stainless steel. The chemical and mechanical property requirements conform to ASTM A105, A182, or A350.

What is a Socket Weld Fitting?

Socket Weld fittings in Kolkata are defined in the ASME B16.11. As with socket weld, a pipe is inserted into a recessed area of the fitting. Both the pipe and the fitting are square cut, with no need for beveled end or preparation other than cleaning the outside, which allows easy welding and installation. Socket weld fittings are used for high-pressure piping applications. They are generally used in piping applications where the nominal pipe diameter is NPS 2” or smaller.

Few More Details About Socket Weld Fittings

Socket Weld Fittings are a family of high-pressure fittings that are used in various industrial processes.

  • They are used for lines conveying flammable, toxic or expensive material where no leakage can be permitted, and for steam 300 to 600 PSI.
  • They are used only in conjunction with ASME Pipe and are available in the same size range.
  • They are used in areas where pipe-work is permanent and are designed to provide good flow characteristics.
  • They are produced to several ASTM standards and are manufactured in accordance with ASME B16.11. The B16.11 standard covers pressure-temperature ratings, dimensions, tolerances, marking, and material requirements for forged carbon and alloy steel. Acceptable material forms are forgings, bars, seamless pipe, and seamless tubes which conform to the fittings chemical requirements, melting practices, and mechanical property requirements of ASTM A105, A182, or A350.
  • They are available in three pressure ratings: Class 3000, 6000, and 9000.
  • Standard for Socket Weld Fittings
  • Forged stainless steel material conforms to ASTM A182
  • Forged steel fitting dimensions conform to ASME B16.11
  • Socket weld fittings conform to ASME B16.11
  • Forged socket weld union conform to MSS SP-83
  • Stainless steel outlets conform to MSS SP-97
  • Forged Stainless socket weld inserts conform to MSS SP-79
  • Size 1/8″, 1/4″, 3/8″, 1/2″, 3/4″, 1″, 1 1/4″, 1 1/2″, 2″, 2 1/2″, 3″, 4″
  • Grade F304 / 304L / 304H / 316 / 316L / 317 / 317L / 321 / 310 / 347 / 904L
  • Type Elbow, Tee, Union, Cross, Coupling, Cap, Insert.

  • socket weld fittings Dimensions

    Threaded Fittings Manufacturers in Kolkata

    What is a Threaded Fitting?

    Threaded fittings in Kolkata are similar to socket weld fittings. The most important differentiating factor is that these types of fittings have threads for example threaded tees, threaded cross, threaded elbow, threaded bends, threaded unions, threaded couplings, threaded nipples, threaded caps, threaded plugs, threaded inserts, and threaded reducers.

    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. Threaded fittings or Screwed Fittings perform the same basic functions as butt-weld fittings. Screwed or threaded fittings are normally reserved for installations where the nominal pipe size is 3″ and smaller. Screwed or Threaded fittings are also available in cast iron, malleable iron, or forged steel.
    The dimensional standards for taper pipe threads are given in ASME B1.20.1. That document gives all required dimensions including a 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: Class 2000, 3000 and 6000.
  • NPT Threaded Fitting

    All Threaded fittings or Screwed Fittings 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.

    Threaded Fitting Advantages

  • Installation productivity is moderately high, and specialized installation skill requirements are not extensive.
  • Leakage integrity is good for low-pressure, low-temperature installations where vibration is not encountered.
  • Threaded Fitting Disadvantages

  • IRapid temperature changes may lead to leaks due to differential thermal expansion between the pipe and fittings.
  • Vibration can result in fatigue failures of screwed pipe joints due to the high stress intensification effects caused by the sharp notches at the base of the threads.
  • In hazardous piping systems threaded connections should be avoided, if possible. Their vulnerability to fatigue damage is significant, especially where exposed threads are subject to corrosion.
  • Types Of Threaded Fittings By CLass & Size

    Fittings Items:- Elbows 45 and 90 degrees, Tees, Crosses, Coupling, Half-Coupling, Cap.

  • Class#2000, Size- 1/2"- 4", SCH- 80/XS
  • Class#3000, Size- 1/2"- 4", SCH- 160
  • Class#6000, Size- 1/2"- 4" SCH- XXS
  • .
    Threaded Fittings Dimensions

    What are the Manufacturing and Dimensional Standards for Forged Pipe Fittings?

    • ASTM A182 – ASME SA182 – Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
    • ASME B16.11 – Socket Welding and Threaded Forged Fittings
    • 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

    A182 Stainless Steel Forged Fittings Manufacturer in Kolkata – Forged Elbow, Tee, Reducer, Coupling, Cap, Plugs, Bushing, Reducer Insert, Street Elbows, Boss

    MSI Fittings is Kolkata’s leading manufacturer of forged pipe fittings, with many years of experience serving the industrial community. As a prominent manufacturer based in Mumbai, MSI Fittings offers a complete range of forged fittings including Socket Weld Fittings, Threaded Fittings, Nipple, Branch Outlet Fittings, Bosses, Union Joint, and more. We can manufacture forged pipe fittings in stainless steel, carbon steel, alloy steel, special stainless steel grades, and nickel alloys.

    Forged fittings are widely used in various industries including petrochemical, oil and gas, power generation, bulk liquid transportation, chemicals, pharmaceuticals, pulp and paper manufacturing, textiles, and others. All our forged steel fittings are manufactured in accordance with international standards.

    Our manufacturing and stocking program for steel forged fittings includes a complete range of products such as 90º Elbows, 45º Elbows, Tees, Crosses, Couplings, Reducers, Inserts, Caps, Nipples, and Unions. Forged socket weld fittings are available in classes 3000, 6000, and 9000. Forged threaded fittings are available in classes 2000, 3000, and 6000. Forged Pipe Fittings – Socket Weld & Threaded, Equal Tees & Reducing Tees, 90° & 45° Elbows – Female-Female, Male-Female, Male-Male, Union, Nipples, Couplings, Plugs.

    Pressure Class 3000LBS, 6000LBS, 9000LBS
    Socket Weld Forged Fittings Products Elbow 90 Degree, Elbow 45 Degree, Tee, Cross, Union, Coupling, Half Coupling, Cap, Boss, Outlet, Welding Outlet, Insert
    Dimension Specifications ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799
    Size 1/8″~4″ (DN6~DN100)
    Pressure Class 3000LBS, 6000LBS, 9000LBS
    Threaded Forged Fittings 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 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 – Socket Welding and Threaded Forged Fittings
    • 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

    Forged Stainless Steel Fittings – Threaded and Socket Weld

    Stainless Steel – 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

    • 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 Carbon Steel Fittings – Threaded and Socket Weld

    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 And Packing

    Products are packaged to ensure that there is no damage during transit. In the case of exports, 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 MSI Fittings, 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


    Various Product Search Related Keywords or Tags

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    Types of socket weld fittings by class, size and wall thickness

    Description Class Designation
    3000 6000 9000
    Elbows 45 and 90 degrees,
    Tees, Crosses, Couplings,
    Half-Couplings,
    End or Pipe Caps
    1/2 - 4 1/2 - 2 1/2 - 2
    1/2 - 4 1/2 - 2 1/2 - 2
    1/2 - 4 1/2 - 2 1/2 - 2
    Pipe Size
    by Wall Thickness
    SCH 80 / XS SCH 160 XXS

    Types Of Threaded Fittings By CLass & Size

    Fittings Items:- Elbows 45 and 90 degrees, Tees, Crosses, Coupling, Half-Coupling, Cap.

    • Class#2000, Size- 1/2"- 4", SCH- 80/XS
    • Class#3000, Size- 1/2"- 4", SCH- 160
    • Class#6000, Size- 1/2"- 4" SCH- XXS
    Dimensions of American Taper Pipe Thread, with Sealant Compound
    DN-NPT Major Diameter
    mm
    Tapping
    Drill Size mm
    TPI Pitch
    mm
    1/16" 7.895 6.00 27 0.941
    1/8" 10.242 8.25 27 0.941
    1/4" 13.616 10.70 18 1.411
    3/8" 17.055 14.10 18 1.411
    1/2" 21.223 17.40 14 1.814
    3/4" 26.568 22.60 14 1.814
    1" 33.228 28.50 11.5 2.209
    1¼" 41.985 37.00 11.5 2.209
    1½" 48.054 43.50 11.5 2.209
    2" 60.092 55.00 11.5 2.209
    2½" 72.699 65.50 8 3.175
    3" 88.608 81.50 8 3.175
    3½" 101.316 94.30 8 3.175
    4" 113.973 107.00 8 3.175
    5" 141.300 134.384 8 3.175
    6" 168.275 161.191 8 3.175
    8" 219.075 211.673 8 3.175
    10" 273.050 265.311 8 3.175
    12" 323.850 315.793 8 3.175