Socket Weld Pipe Fittings
Table of Content
- Product Specification
- Chemical Composition
- Mechanical Composition
- Physical Properties
We supplier and export stainless steel socket weld fittings, alloy steel socket weld fittings, and carbon steel socket weld fittings. Suppliers of ASME A182, ASME B16.9, ASME B16.11, MSS SP-43, MSS SP-95, and BS3799 Forged Socket Weld Pipe Fittings.
Supplier, and Exporter of Socket-weld Pipe Fittings in India. Tube Innovatives (India) manufactures high quality socket weld fittings and forged fittings. Various sizes, shapes, and finishes of socket weld fittings are available, including tees, elbows, cross, and nipples. They have special quality finishing and duress for long life, high pressure, and no defects. As per international standards, precision finishing threading is available in NPT, BSPT & BSPP.
Among the leading exporters, and suppliers of forged socket weld fittings in accordance with ASME B16.11 is Purohit Pipe Industries. Forged socket weld fittings are available in stainless steel (ASTM A182 F316L, F304L), carbon steel, and alloy steel grades. In addition to socket weld elbows, socket weld tees, and socket weld crosses, we also offer socket weld fittings. Socket weld fittings are widely used in industries such as petrochemicals, power generation, shipbuilding, dairy, breweries, waste water treatment, chemicals, and pharmaceuticals.
Dedicated to better serving our customers, we offer socket weld fittings with pressure ratings of 3000, 6000, and 9000. We are always adding to our diverse product range of socket weld fittings in pressure ratings of 3000, 6000, and 9000 so that we can better serve our valued customers.
A socket weld fitting is an attachment detail in which the pipe is inserted into the recess of a valve, fitting, or flange to attach it. In contrast with buttweld fittings, socket weld fittings are typically used for pipes with nominal diameters of NPS 2 or smaller (Small Bore Piping).
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Socket Weld fittings Specification
Carbon Steel Socket Weld Fittings | Alloy Steel Socket Weld Fittings | Nickel Alloys Socket Weld Fittings | Monel Socket Weld Fittings | Mild Steel Socket Weld Fittings
A wide range of sizes and pressure classes are available: NPS 112″ through 4″ and 2000#, 3000#, 6000#, 9000#, and 10,000#.
With forged sockets on the end, it is welded
There are 12 couplings, a reducing coupling, a branch reducing tee, a straight tee, 45° elbows, 90° elbows, 90° street elbows, hex bushings, hex plugs, and caps.
ASTM A105N (Black & Galvanized), ASTM A350LF2, ASTM A182F5, ASTM A182F9, ASTM A182F11, and ASTM A182F12 are compatible with the following materials
Socket Weld Pipe Fitting Chemical Composition
|304||min. max.||– 0.08||– 2.0||– 0.75||– 0.045||– 0.030||18.0 20.0||–||8.0 10.5||– 0.10|
|304L||min. max.||– 0.030||– 2.0||– 0.75||– 0.045||– 0.030||18.0 20.0||–||8.0 12.0||– 0.10|
|304H||min. max.||0.04 0.10||– 2.0||– 0.75||-0.045||– 0.030||18.0 20.0||–||8.0 10.5||–|
Socket Weld Pipe Fittings Mechanical Compostiton
|Grade||Tensile Strength (MPa) min||Yield Strength 0.2% Proof (MPa) min||Elongation (% in 50mm) min||Hardness||S||Cr||Mo||Ni||N|
|Rockwell B (HR B) max||Brinell (HB) max||– 0.030||18.0 20.0||–||8.0 10.5||– 0.10|
|304||515||205||40||92||201||– 0.030||18.0 20.0||–||8.0 12.0||– 0.10|
|304L||485||170||40||92||201||– 0.030||18.0 20.0||–||8.0 10.5||–|
Socket Weld Fitting Physical Properties
|Melting Point -Liquidus||1650 F||– 0.08||– 2.0||– 0.75||– 0.045||– 0.030||18.0 20.0||–||8.0 10.5||– 0.10|
|Melting Point -Solidus||1630 F||– 0.030||– 2.0||– 0.75||– 0.045||– 0.030||18.0 20.0||–||8.0 12.0||– 0.10|
|Density||0.307 lb/in3at 68 F||0.04 0.10||– 2.0||– 0.75||-0.045||– 0.030||18.0 20.0||–||8.0 10.5||–|
|Electrical Resistivity||39.90 ohms – cmil/ft @ 68 F|
|Electrical Conductivity||26 %IACS @ 68 F|
|Thermal Conductivity||67 Btu · ft/(hr · ft2·oF)at 68F|
|Modulas of Elasticity in Tension||14000 ksi|
Socket Welded Pipe Fittings Types
As well as elbows, tees, caps, and reducers, socket welded pipe fittings also include couplings (full couplings, half couplings, reducing couplings), reducing inserts (types 1, 2, and 3), and socket welded unions.
In addition to carbon steel and alloy steel, stainless steel is also available.
Carbon steel socket weld fittings
Standards: ASTM A234 for WPBs and WPCs, ASTM A105 for WPBs
Fittings made of alloy steel SW
The ASTM A234 WP5 QP9 QP11 QP22 QP91 standard covers the following: WP5, QP9, QP11, QP22, QP91
Stainless steel socket weld fittings
Stainless steel according to ASTM A403, stainless steel according to ASTM A182, and stainless steel according to ASTM A403
Below we will explain by each type.
Socket Weld Elbow
Forging process is used to manufacture socket weld pipe elbows with 45 degree and 90 degree angles for changing fluid flow direction in pipelines with long radius (LR with 1.5xOD) and short radius (SR with 1x0D).
Socket Weld Tee
There are also straight tees and reducing tees. Tees are socket welds that create 90-degree branches from the main pipe runs. A reducing tee connects the smaller pipe branches.
Socket Weld Cross
From the main pipeline, three 90-degree branches were created by the socket weld.
Socket Weld Cap
Socket weld cap is to seal the pipe end.
Socket Weld Coupling
There are three types of socket weld couplings: Full Couplings, Half Couplings, and Reducing Couplings.
With socket weld full couplings, two pipes are joined using welding.
An end of a half coupling is welded with sockets, and the other ends are welded with bolts.
A socket is welded between two pipes of different diameters to reduce coupling.
The reducing insert provides different combinations for quick connection with different pipe diameters with another socket weld pipe or fitting.
Socket Weld Union
As you can see in the above photo, a socket weld union has a screwed joint in the middle for connecting three parts, and the internal threads will connect two parts If you tighten the screws before doing the socket welding, the seats will be less likely to warp.
A socket weld fitting is used when welding a small diameter pipe to a large diameter pipe, as with weldolet and threadolet. Sockolets are used when welding small diameter pipes to large diameter pipes in socket weld fittings since they offer a precise 90 degree turning and greater strength to handle high pressures than other types. Compared to other types, the olet offers a precise 90 degree turning and a better ability to handle high pressures.
During installation, sockets are connected to outlet bores, and another bore is shaped in the form of an oval and span shape to ensure that they are securely attached to the larger pipe. It can sometimes replace tees entirely, saving money and simplifying the process, similar to reducer tees. Larger diameter pipes require higher temperatures, pressures, and thicker walls.
Socket Weld Flange
In the socket weld flange, also called the SW flange, the pipe is inserted into the recessed area and connected to the welding work using a recessed shoulder. This welding structural is more suitable with small pipelines and provides a smooth bore and good liquid transmission.
There are also SW Flanges with RF (Raised Face), FF (Flat Face), and RTJ (Ring Tenon Joint) options, as well as pressure ranges of 150#, 300#, 600#, 1500# and 2500#.
ss steel according to ASTM A182, and stainless steel according to ASTM A403
Features of Socket Weld Fittings
The socket weld pipe fittings are used in a variety of industrial applications because of their high pressure ratings. In pipelines, they are used for transporting chemicals that are flammable, toxic, or hazardous. Due to their compliance with ASME and ASTM standards and specifications, socket weld fittings are of high quality.
There is also a classification of socket welding pipe fittings based on the material they are made of.
Socket Weld Fittings Materials & Grades
ASTM A105/N, ASTM A350LF2, LF3, LF6
SA182, F1, F5, F5a, F9, F9l, F11, F12, F22
304/L/H, 316/L/H, 310, 317L, 321/H, 347/H, 410, 416, 420, 17-4, 440, Alloy 20
200, 201, 400, K500, 600, 625, 800H/HT, 825, X-750, C276, Hastelloy B & C22
- Invoice with HS code on it
- The packing list includes the net weight and gross weight, the number of boxes, and the marks and numbers.
- Legalized/attested by Chamber of Commerce or Embassy
- Obtaining fumigation certificates
- Test reports for raw materials
- Traceability records for materials
- QAP (Quality Assurance Plan)
- An overview of heat treatment charts
- Certificates certifying NACE MR0103 and NACE MR0175
- Testing certificates in accordance with EN 10204 3.1 and EN 10204 3.2
- A letter of guarantee
- Lab test reports that have been approved by NABL
- Welding Procedure Specification and Procedure Qualification Record, WPS/PQR
- Detailed information about the Generalized System of Preferences (GSP) can be found on Form A
- The tensile strength of an area is one example of mechanical testing
- A hardness test is performed
- Analyses based on chemical analysis and spectroscopy
- Positive Material Identification – PMI Testing
- The flattening test
- Tests on micro and macro scales
- Testing the resistance to pitting
- Testing for flares
- Corrosion between intergranular surfaces (IGS) test
Advantages of Socket Weld Pipe Fittings
- Preparation of the weld does not require beveling the pipe.
- It is possible to adjust the welding position to flat welding.
- Alignment is generally not required to use temporary tack welding. This is due to the fitting principle, which ensures the alignment is accurate.
- This is due to the fact that the socket weld metal is not able to penetrate the bore of the pipe.
- Socket welding has proven to be more economical than butt welding, as it eliminates the need for special machines and reduces the precision assembly requirements.
Socket Weld Fittings Manufacturing Standards
- Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings ASTM A182 – ASME SA182
- Manufacturers of wrought buttwelding fittings in accordance with ASME B16.9
- It covers socket welding and threaded forging fittings in accordance with ASME B16.11
- The MSS SP-43 is designed for low pressure, corrosion-resistant applications using wrought and fabricated butt-welding fittings
- Sp-95 – Swaged Nipples and Bull Plugs
- For the petroleum industry, BS3799 specifies steel pipe fittings that are screwed and socket-welding
At We at Purohit Pipe Industries ensure that all fittings and flanges undergo a strict inspection at every stage of production, from material purchasing to product delivery. Upon request, accredited Inspection Agencies can be called in to witness material reports, dimensions, and quality conformity of products. They are visually examined to ensure compliance with ASTM, ASME, MSS, DIN, EN, and JIS codes and standards.
A manufacturer’s test certificate in accordance with EN 10204 / 3.1B, a raw materials certificate, a radiography test report and a third party inspection report are all required by the manufacturer.
Usage/ Application of socket weld fittings
The following socket weld pipe fittings are normally used in high pressure pipeline systems in different industries:
- The oil and gas industry, as well as petrochemicals.
- The study of medicine.
- Nuclear or electric power stations.
- Controlling the environment is important.
- Constructing aeronautical systems.
- Systems that protect against fire.
- Sludge from mining.
Socket Weld Pipe Fitting Packaging
To ensure that the alloy steel socket weld fittings are not damaged during transit, they are packaged in wooden cases. For exports, standard export packaging is done in wooden cases for Alloy Steel Socket Weld Fittings. Alloy Steel Socket Weld Fittings are marked with Grade, Lot No, Size, Degree, and our Trademark. We can also make custom markings on our products on special requests. We have experienced warehouse guys ready to pick up your order and get it ready to be delivered to you.
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What is a forged fitting? Pipe fittings made from forged carbon steel are known as forged steel fittings. The forging process is used to create very strong fittings. Carbon steel is heated to molten temperatures and inserted into dies. Forged steel fittings are then...
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