SS 304/304L Forged Fitting Manufacturers in India

We are a leading stainless steel 304 forged fitting manufacturers in India, with stock in standard sizes available for immediate delivery worldwide. We produce NPT or BSPT threaded forged fittings or socket weld (SW) pipe fittings in various stainless 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 produce a wide range of SS 304 threaded fittings and SS 304 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. Stainless steel 304/304L forged 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 SS 304 forged fittings is 19-85mm SS 304 round bars.

ProductStainless Steel 304/304L Forged Fittings
EquivalentsWNR. 1.4301, UNS S30400, AISI 304, AISI 304L, 1.4306, UNS S30403
SpecificationASME B 16.11, MSS-SP-79\ 83\ 95\97
Size Range1/8″ – 4″(6mm – 100mm)
Pressure Rating3000, 6000, 9000 LBS
TechnologyForged
TypesElbow, cross, street elbow, tee, coupling, half coupling, cap, plug, bushing, union, outlet, sage nipple, bull plug, reducer insert, pipe nipple etc.
ConnectionSocket Welded (male or female), Threaded
SS 304 Forged, Threaded, Socket Weld Fittings Manufacturers, Suppliers, Factory

We Sell High Quality SS 304 Forged Pipe Fittings at Reasonable Prices!

High Quality, But Low Prices for SS 304 Forged Fittings!

If you are looking for high quality stainless steel 304 forged fittings manufacturer, contact us on [email protected] or +919987448842

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 is a Socket Weld Fitting?

Socket Weld (SW) fittings 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.

What is a Threaded Fitting?

Threaded fittings are similar to socket weld fittings. The most important differentiating factor is that these type 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.

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

What are the various Types of Forged Pipe Fittings?

Threaded Pipe FittingsSocket Weld Fittings
90° Elbow, 45° Elbow, Tee, Cross, Full Coupling, Half Coupling, Reducing Coupling, Pipe Cap, Hex Head , Bushing, Hex Head Plug, Square Head Plug, Round Head Plug, Union, Hex Nipple, Street Elbow, Bull Plug, Boss, Swage Nipple, Pipe Nipple, Adapter, Union (Male x Female), Branch Outlet, 90° Elbow Outlet, 45° Lateral Tee, Lateral Outlet, Nipple Branch Outlet90° Elbow, 45° Elbow, Tee, Cross, Full Coupling, Half Coupling, Pipe Cap, Union, Reducer Insert, Boss, Branch Outlet, 90° Elbow Outlet, 45° Lateral Tee, Lateral Outlet, Branch Outlet Butt Weld, 90° Elbow Outlet Butt Weld, Lateral Outlet Butt Weld, Nipple Branch Outlet Butt Weld

What is 304 Stainless Steel? About 304 Stainless Steel

Stainless steel 304(SS304) is the most basic stainless steel known as 18-8 grade with higher chromium and low carbon content. The low carbon content restricts carbide precipitation during welding as well as minimizes its susceptibility to intergranular corrosion. Stainless steel 304L(SS304L) is an extra low-carbon variation of SS304 with a 0.03% maximum carbon content that eliminates carbide precipitation due to welding. Both SS304 and SS304L have excellent resistance to a wide range of atmospheric, chemical and petrochemical, and food industry corrosions. Usually, they can be used in applications with the maximum temperature of 1650°F[900°C] exhibiting good oxidation resistance.

304L alloy’s lower carbon content helps minimize/eliminate carbide precipitation during the welding process. This allows 304L stainless steel to be used in the “as-welded” state, even in severe corrosive environments.

If you were to use standard 304 stainless in the same way, it would degrade much faster at the weld joints.

Basically, using 304L eliminates the need to anneal weld joints prior to using the completed metal form—saving time and effort.

In practice, both 304 and 304L can be used for many of the same applications. The differences are often minor enough that one isn’t considered massively more useful over the other. When stronger corrosion resistance is needed, other alloys, such as grade 316 stainless steel, are usually considered as an alternative.

Chemical Composition of 304 Stainless Steel, WNR. 1.4301, UNS S30400

Chemical Composition %
 CMnSiPSCrNiFe
3040.08 max.2.00 max.1.00 max.0.045 max.0.03 max.18.0 – 20.08.0 – 10.5Balance
304L0.03 max.2.00 max.1.00 max.0.045 max.0.03 max.18.0 – 20.08.0 – 12.0Balance
304H0.04-0.102.00 max.1.00 max.0.045 max.0.03 max.18.0 – 20.08.0 – 12.0Balance

Equivalents of 304 Stainless Steel

UNS Designation & International Equivalent for Stainless Steel 304
TypeUNSJISEN/DINEN/BSEN/NFISOGBGOST
304S30400SUS304X5CrNi18-10304S31Z7CN18.09110Cr18Ni908KH18H10
304LS30403SUS304LX2CrNi19-11304S11X2CrNi19-111000Cr19Ni1103KH18H11

Mechanical Properties for WNR. 1.4301, UNS S30400, 304 Stainless Steel

 304304L304H
Density888
Melting Range,℃1400 ℃1400 ℃1400 ℃
Elongation %404040
Tensile Strength (Mpa)515485515
Yield Strength (Mpa)205170205
Hardness (Brinell)201201201

Physical Properties of WNR. 1.4301, UNS S30400, 304 Stainless Steel

GradeDensity (kg/m3)Elastic Modulus (GPa)Mean Coefficient of Thermal Expansion (m/m/0C)Thermal Conductivity (W/m.K)Specific Heat 0-1000C (J/kg.K)Electrical Resistivity (n.m)
0-1000C0-3150C0-5380Cat 1000Cat 5000C
304800019317.217.818.416.221.5500720

Applications of WNR. 1.4301, UNS S30400, 304 Stainless Steel

Pipeline Transport, Boiler Pipe, Hydraulic/Automobile Pipe, Oil/Gas Drilling, Food/Beverage/Dairy Products, Machinery Industry, Chemical Industry, Mining, Construction & Decoration, Special Purpose

  • Off-Shore Oil Drilling Companies
  • Power Generation
  • Petrochemicals
  • Gas Processing
  • Specialty Chemicals
  • Pharmaceuticals
  • Pharmaceutical Equipment
  • Chemical Equipment
  • Sea Water Equipment
  • Heat Exchangers
  • Condensers
  • Pulp and Paper Industry

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