Butt Weld Pipe Fittings
Table of Content
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Product Specification
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Chemical Composition
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Mechanical Composition
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Physical Properties
UNS N02201 Seamless Fittings, ASTM B366 Nickel Alloy 201 Buttweld Fittings, ASME SB366 Nickel Alloy 200 Pipe Bend, UNS N02200 Pipe Elbow, Nickel 200 Pipe Fittings, DIN 2.4068 Stub End, ANSI B16.9 Alloy 201 Pipe Cap Exporter, Nickel Butt weld Pipe Fittings in India.
ASTM B366 Nickel Fittings, Nickel 200 Piggable Bend, Nickel Alloy 201 Buttweld Elbow Dealer, MSS SP-43 or MSS SP-79 Nickel 201 Welded Pipe Fittings Stockist, ANSI B16.28 Nickel 200/201 Equal/ Reducing Tee Trader, DIN 2.4066 LR/ SR Elbow, Nickel Alloy 200 Reducer Supplier in India.
DETAILED INFORMATION
Purohit Pipe Industries one of the promising manufacturers and stockists of Butt Weld Pipe Fittings. This product is the first preference for various manufacturing sectors. They are the perfect fit for commercialized jobs. They can be availed in various customized formations related to their sizes, thickness, shapes, dimensions, polishes, finish works, etc. It is dependent on the requirements of the clients. They are highly versatile in performing any kind of work.
Purohit Pipe Industries manufactures buttweld weld pipe fittings in a wide range of dimensions. ANSI SB366 and ASTM B366 are the governing standards behind the specifications, chemical and mechanical properties of grade 200 and 201.
Depending on the shapes and functions they perform, buttweld fittings are divided into different types. Like tees, they are used to distribute fluid between pipelines. There are also Nickel 200/201 Buttweld Fittings such as 45-degree elbows, crosses, reducers, caps, stub ends, unions, couplings, and threaded pipe fittings.
Weldable pipe fittings such as buttwelds let you change the flow direction, branch off, reduce pipe size, or attach auxiliary equipment. Buttweld fittings made of forged steel conform to ANSI/ASME B16.9.
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Buttweld Pipe Fitting Specification & Standards
According to ASME spec B16.9, welded pipe fittings are made of wrought steel. Stainless steel butwelding fittings from 1/2″ to 48″ are covered by ASME B16.9. However, this standard does not cover low pressure corrosion-resistant fittings. A wrought stainless steel butt-welding fitting can be found in MSS SP-43.
A234 WPB is an ASTM standard
B16.9, B.11, ASME
The NACE code for MRO175 is
The following MSS are available: SP-83 and SP-95
Chemical Composition
| Grade | C | Mn | P | S | Si | Cr | Mo | Ni | Cu | Others |
| – | – | – | max | max | – | – | – | – | – | – |
| WPB | 0.3 | 0.29-1.06 | 0.05 | 0.058 | 0.1 | 0.4 | 0.15 | 0.4 | 0.4 | V 0.08 |
| (1,2,3,4,5) | max | – | – | – | min | max | max | max | max | max |
Stainless Steel 304 Buttweld Fittings Mechanical Properties
| Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 5Grade0mm) min | Hardness | Cr | Mo | Ni | Cu | Others | ||
| Rockwell B (HR B) max | Brinell (HB) max | – | – | – | – | – | ||||
| 304 | 515 | 205 | 40 | 92 | 201 | 0.4 | 0.15 | 0.4 | 0.4 | V 0.08 |
| (1,2,3,4,5) | max | – | – | – | min | max | max | max | max | max |
Physical Properties of Buttweld Fittings
| Density | 8.902gm/cc | Mn | P | S | Si | Cr | Mo | Ni | Cu | Others |
| Melting Point | 1453 oC | – | max | max | – | – | – | – | – | – |
| Boiling Point | 2732 oC | 0.29-1.06 | 0.05 | 0.058 | 0.1 | 0.4 | 0.15 | 0.4 | 0.4 | V 0.08 |
| Thermal Conductivity | 0.909 W/cm/K @ 298.2K | – | – | – | min | max | max | max | max | max |
| Electrical Resistivity | 6.84 microhm-cm @ 20 | |||||||||
| Electronegativity | 1.8 Paulings | |||||||||
| Specific Heat | 0.106 Cal/g/ K @ 25 | |||||||||
| Heat of Vaporization | 91.0 K-Cal/gm atom at 2732 oC | |||||||||
| Heat of Fusion | 4.20 Cal/gm mole |
200/201 Nickel ASTM B366 Buttweld Fittings Equivalent Grades
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STANDARD |
WERKSTOFF NR. |
UNS |
JIS |
BS |
GOST |
AFNOR |
EN |
|
Nickel 200 |
2.4066 |
N02200 |
NW 2200 |
NA 11 |
НП-2 |
N-100M |
Ni 99.2 |
|
Nickel 201 |
2.4068 |
N02201 |
NW 2201 |
NA 12 |
НП-2 |
– |
LC-Ni 99 |
Types of Butt Weld Pipe Fittings
Welded pipe fittings in carbon steel and stainless steel facilitate the assembly of valves, pipes, and equipment onto piping systems. A welded fitting complements a pipe flange in a piping system and provides the following benefits:
- Changing the direction of flow in a piping system
- Pipes and equipment can be connected or joined
- Auxiliary equipment can be branched, accessed, and taken off from here
In general, welded pipe fittings are used to connect equipment to pipes reduced by concentric reducers and welded to weld neck flanges. A complete collection of butt welded pipe fittings is shown below.
- In a piping system, elbows change the direction of the flow. A directional change is expressed in degrees, such as 45 degrees or 90 degrees. The center line of a long radius 90 degree elbow is 1.5 x NPS away from elbow end. Approximately 3 x NPS from the elbow end is the center line for 3R elbows.
- In the case of LR 45 elbows, the direction is 45 degrees out of a 90 degree elbow.
- Elbows with Short Radius 90 degrees have the same dimensions as elbows with Long Radius 90 degrees, except the measurement between the end of the elbow and the center line is 1 x NPS instead of 1.5 x NPS.
- LR 180 degree Bend: Long Radius 180 degree return bend allows complete reversal of flow. There is a 3 x NPS distance between the end of the elbow and the center line.
- An SR 180 degree bend allows reversal of flow in a much tighter turn than a SR 180 degree bend. There is a distance of 1 x NPS between the end of the elbow and the center line.
- Tee: Butt weld pipe Tees allow 90-degree branches from running pipes. As a result, a connection can be made A Equipment attached to a pipe as an auxiliary devicelded on both sides to the pipe; leaving the branch open for branch off.
- Reducing Tee: Butt weld reducing tee has a branch that is smaller than the main run. The branch of this auxiliary device is smaller than the main run of the reducing tee. By branching off from the main run, smaller pipes or equipment can be connected.
- Concentric Reducer: A concentric Reducer is also called welded concentric coupling. Through welding, it allows large pipes to be connected to smaller pipes. A concentric reducer allows a welded connection between two pipes of the same diameter.
- Eccentric Reducer: An eccentric reducer is also called welded eccentric coupling. An offset center line allows welding large pipes to smaller pipes. Eccentric reducers have an offset of the center line equal to 1/2 x (largest ID – smallest ID)
- Weldolet: Weldolets are used to connect welded connections with contoured bottoms to match the pipe’s contour. The welding outlet has one end welded to the pipe, and the other end can be welded to any other pipe or equipment. In order for the contour of an outlet to match the contour of a pipe, it is necessary to mention the size of the outlet and the pipe’s “Run Size”. Welding outlets are always smaller than the run size, for example 1/2″ welding outlets can be used on pipe (run size) 1/2″ and bigger.
- Welded Stub End: Stub ends are welded to a pipe with a lap joint flange.
Butt Weld Dimension
Pipe Size Standards ANSI B36.10 and B36.19 are followed by Butt Welded Pipe Fittings.
Available in diameters up to 72 inches (one inch, two inches, three inches, four inches, six inches, eight inches).
SCH 160, XS, XXS, and Schedule 10 come in a variety of thicknesses
Mounting butt welded fittings requires the diameter and thickness in the NPS.
Materials and Grades for Butt Weld Pipe Fittings
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Material |
Grade |
|
Carbon Steel |
WPB, WPC, WPL6 |
|
Chrome Moly |
WP5, WP9, WP11, WP12, WP22 |
|
Stainless Steel |
304/304L, 316/316L, 304H, 316H, 309, 310S, 317L, 321/321H, 347/347H, 904L, DUPLEX 2205 / SUPER DUPLEX 2507 |
|
High Yield Carbon Steel |
WPHY42, WPHY52, WPHY65 |
|
Nickel Alloys |
Alloy 20, 200, 201, 400, 600, 625, 800H/HT, 825, 254SMO, AL6XN, C276, C22, B3, HAST-X |
|
Standard Materials |
Carbon, Stainless, Chrome Moly, High Yield, Low Temperature, Aluminum |
|
Types |
Elbows, Tees, Reducers, Caps, Stub Ends, Crosses, Laterals, Olets, Return Bends |
|
Sizes |
Standard 1/2″ to 48″ (special order larger O.D. fittings) |
|
Wall Sizes |
Schedule 20 thru XXH, and Special Wall Sizes |
|
Specialty Items |
3D & 5D Bends, Galvanizing, 100% X-ray Testing |
Advantages of Butt Weld Pipe Fittings
- Welding is easy and there are various turning options.
- Socket welds and threaded connections are more expensive than butt welds.
- Thin thicknesses such as SCH 10 and SCH 10S are acceptable.
- This product is compatible with different sizes between 1/4 inch and 24 inch and as large as 72 inches.
- It increases the strength of the piping system to have a continuous metal structure.
ASTM A403 WP304 Stainless Steel Buttweld Pipe Fittings
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Stainless Steel 304 Pipe Fittings
Stainless Steel 304 Buttweld Pipe Fittings
Stainless Steel 304 Seamless Pipe Fittings
Stainless Steel 304 Welded Pipe Fittings
Stainless Steel UNS S30400 Pipe Elbow
Stainless Steel 304 Buttweld Tee
SS 304 Buttweld Reducer Suppliers
ANSI 304 Stainless Steel Pipe Fittings
SS 304 Stubends Dealer
SS 304 Pipe Fittings Exporter
SS 304 Butt weld Fittings Stockholder
Steel 304 Pipe End Cap Distributors
Stainless Steel SUS 304 45deg.Elbow
SS 304 90deg. LR Elbow Manufacturer
Stainless Steel DIN 1.4301 Pipe Tee
Stainless Steel BS 304S31 Cross
Stainless Steel 304 Buttweld Reducing Nipple
Stainless 304 Short Radius Elbow
ANSI B16.9 SS 304 Buttweld Fitting
SS 304 End Pipe Cap Stockist
ASTM A403 SS WP304 Welded Pipe Fittings
ASME SA403 SS 304 Pipe Fittings
Common material types of butt weld fittings
- Likewise, butt weld fittings are now available in butt weld elbows, tees, outlets (olets), reducers, and caps. Most butt weld fittings will be specified in accordance with the schedule of pipe and nominal pipe fittings.
- Body material
Different body materials, including alloy, stainless and carbon steel, are used for butt weld fittings. Therefore, it is usually made from welded or seamless pipes. The shape of tees and elbows, among other things, may be achieved by forging, with the help of multiple processes.
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Stainless steel butt weld fittings usually in thin thickness
Like normal pipe, butt weld fittings are sold from Schedule 10 to Schedule 160, just as normal pipe is. In stainless steel, butt weld fittings have been found to be more common. This would be thanks to the cost advantage that it has to offer. Schedule 10 fittings would also be more common in stainless steel fittings.
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Carbon steel butt weld fittings
Body materials for carbon steel butt weld fittings include ASTM A234 WPB (most commonly) and WPC, MSS-SP-75 WPHY. Steel pipe fittings usually have schedule 40, STD, or 80 thickness, where pressure class can range from 1500 psi, 2500 psi, 3000 psi, 6000 psi, and 9000 psi.
Alloy steel butt weld fittings
Material for buttwelding alloy steel is usually ASTM A234 WP1, WP5, WP9, WP11, WP22, WP91, etc.
Quality Assurance
At Purohit Pipe Industries, each fitting and flange undergoes a rigorous inspection at every stage of the production process, starting with the purchase of raw materials to the delivery of the finished product. They are visually inspected for compliance with ASTM, ASME, MSS, DIN, EN, and JIS codes and standards. A certified Inspection Agency can be called upon to witness material reports, dimensions, and quality conformity.
Test Certificates:
The manufacturer’s test certificate as per EN 10204 / 3.1B, the raw materials certificate, the radiography test report, and the third party inspection report.
Common material types of butt weld fittings
- Testing of materials:
- of mechanical properties such as tensile strength
- Hardness Test
- Spectroscopic analysis of chemicals
- Positive Material Identification – PMI
- Flattening Test
- Micro and MacroTest
- Pitting Resistance Test
- Flaring Test
- Intergranular Corrosion (IGC) Test
-
Documentation
A commercial invoice that includes a HS code
- The packing list includes the number of boxes, the net and gross weights, and the marks and numbers on the boxes
- Embassies or Chambers of Commerce legalizing or attesting the Certificate of Origin
- Fumigation Certificates
- Raw Material Test Reports
- Material Traceability Records
- Quality Assurance Plan (QAP)
- Heat Treatment Charts
- NACE MR0103, NACE MR0175 test certificates
- Material Test Certificates (MTC) in accordance with EN 10204 3.1 and EN 10204 3.2
- Guarantee Letter
- Laboratory test reports approved by NABL
- Specification for welding procedures/Procedure Qualification Record, WPS/PQR
- In accordance with the Generalized System of Preferences (GSP), Form A should be completed
Functions of butt weld pipe fittings
- In the case of butt weld pipe fittings would serve as joining components. As a result, pipes, valves, and equipment could be assembled on the piping system. Apart from complementing pipe flanges, butt weld fittings would also enable:
- A piping system’s flow direction changes
- Connect pipes and equipment
- Provide branches, takeoffs, and access to auxiliary equipment.A common example of this would be to use a butt weld pipe fitting in a pipe that would be reduced by a concentric reducer. In order to connect it to an equipment, it would be welded to a weld neck flange.
Packaging
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We package our products to ensure that they stay in good condition during transit, such as carbon steel butt weld pipe fittings. The customary export packaging is completed in wooden boxes or cases for exports only. All carbon steel butt weld pipe fittings are marked with Trademark (Company’s LOGO), Grade, Size and Lot No. On requests we can do custom marking on our products.
Butt weld Pipe Fittings Application Industries
- The petrochemical industry
- The oil and gas industry
- Industry of chemical products
- The power plant industry
- Industries related to energy
- The pharmaceutical industry
- Paper & Pulp Industry
- The food processing industry
- The aerospace industry
- The refining industry
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