Stub End Buttweld Fittings

A Stub End fitting is a short length of pipe with one flared end and the other end needing to be welded to a pipe of the same size. A combination of stub ends and backing flanges is an alternate way of joining pipes compared to the use of standard flanges. The use of stub ends reduces the weight of the flanged joints. The stub ends allow quick disconnection of the particular section involved. Stub ends are installed in pairs and mated together with two lap joint flanges.

These can also be used in high-pressure pipelines. The stub ends do not get in contact with the fluid conveyed by the pipeline. Stub ends allow sections of the line to be opened without the need to re-weld. Hilton Forge India is a quality buttweld Stub End Manufacturer, Supplier, Stockist, and Exporter in India. We have a large inventory of Stainless steel buttweld stub ends, carbon steel stub ends due to the high customer demand. We can also provide custom stub end fittings.

Stub End Buttweld Fittings

A stub end is a type of buttweld fitting used in piping systems. It is essentially a short length of pipe with one end that is flared out, while the other end is typically plain or beveled to facilitate the welding process.

The flared end of the stub end is designed to be slipped over the end of a corresponding pipe or fitting, allowing for a secure and leak-proof connection. The flange on the stub end provides a surface for bolting the joint to another flange or component, such as a valve or pump.

Stub-end buttweld fittings are commonly used in applications where frequent disassembly or alignment adjustments are required. By using a stub end, the connection can be easily disconnected and reconnected without having to cut or modify the main pipe. This makes it convenient for tasks such as replacing or repairing sections of a piping system.

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Properties of Stub End Buttweld Fittings

The short length of pipe with one flared end
The plain or beveled end for welding
Designed to be slipped over the end of a pipe or fitting
Flange on the stub end for bolting to another component

Materials used to manufacture Stub End Buttweld Fittings

Stainless Steel
Carbon Steel
Alloy 20 Steel
Duplex & Super Duplex Stainless Steel
Titanium & Nickel Alloys
Inconel
Hastelloy

Standards and Specifications of Stub End Buttweld Fittings

Particulars	Details
Standards	ANSI B16.11
Dimension	ANSI B16.11 Stub End Buttweld Fittings BS 3799 MSS SP
Materials	ASTM A105 Stub End Buttweld Fittings, ASME SA105 Stub End Buttweld Fittings ASTM A182 Stub End Buttweld Fittings, ASME SA182 Stub End Buttweld Fittings ASTM A350 LF1 Stub End Buttweld Fittings, LF2 CL1/CL2 Stub End Buttweld Fittings, LF3 CL1/CL2 Stub End Buttweld Fittings, ASTM A694 F42 Stub End Buttweld Fittings, F46 Stub End Buttweld Fittings, F48 Stub End Buttweld Fittings, F50 Stub End Buttweld Fittings, F52 Stub End Buttweld Fittings, F56 Stub End Buttweld Fittings, F60 Stub End Buttweld Fittings, F65 Stub End Buttweld Fittings, F70 Stub End Buttweld Fittings. ASTM B564 Stub End Buttweld Fittings, ASME SB564 Stub End Buttweld Fittings
Class	Stub End Buttweld Fittings 3000#, Stub End Buttweld Fittings 6000#, and Stub End Buttweld Fittings 9000#
Size	1/2” NB TO 4” NB
Nickel Alloy	ASTM / ASME SB 336 UNS 2200 ( NICKEL 200 ), UNS 2201 (NICKEL 201 ), UNS 4400 (MONEL 400 ), UNS 8020 ( ALLOY 20 / 20 CB 3, UNS 8825 INCONEL (825), UNS 6600 (INCONEL 600 ), UNS 6601 ( INCONEL 601 ), UNS 6625 (INCONEL 625), UNS 10276 ( HASTELLOY C 276 ), Stub End Buttweld Fittings, ASTM A182 F304H Stub End Buttweld Fittings, ASTM A182 F304L Stub End Buttweld Fittings, ASTM A182 F304 Stub End Buttweld Fittings, ASTM A182 309H Stub End Buttweld Fittings, ASTM A182 310H Stub End Buttweld Fittings, ASTM A182 310 Stub End Buttweld Fittings. ASTM A182 F316/316L Stub End Buttweld Fittings, ASTM A182 F316H Stub End Buttweld Fittings, ASTM A182 F316L Stub End Buttweld Fittings, ASTM A182 F316 Stub End Buttweld Fittings.
Stainless Steel	ASTM A182 F316/316L Stub End Buttweld Fittings, ASTM A182 F316H Stub End Buttweld Fittings, ASTM A182 F316L Stub End Buttweld Fittings, ASTM A182 F316 Stub End Buttweld Fittings, ASTM A182 F316Ti Stub End Buttweld Fittings, ASTM A182 F317 Stub End Buttweld Fittings Fittings, ASTM A182 F317L Stub End Buttweld Fittings, ASTM A182 F321 Stub End Buttweld Fittings, ASTM A182 F321H Stub End Buttweld Fittings. ASTM A182 F347 Stub End Buttweld Fittings, ASTM A182 F347H Stub End Buttweld Fittings, ASTM A182 F904L Stub End Buttweld Fittings, ASTM A182 F44 Stub End Buttweld Fittings, ASTM A182 F51 Stub End Buttweld Fittings, ASTM A182 F53 Stub End Buttweld Fittings, ASTM A182 F55 Stub End Buttweld Fittings, ASTM A182 F60 Stub End Buttweld Fittings
Alloy Steel	ASTM A182 F1, A182 F5, A182 F9, A182 F11, A182 F12, A182 F22, A182 F91
Types	Seamless / ERW / Welded / Fabricated
Thickness	Schedule 5S, 10S, the 20S, S10, S20, S30, STD, 40S, S40, S60, XS, 80S, S80, S100, S120, S140, S160, XXS and etc.
Forms	Stub End Buttweld Fittings

Benefits of Stub End Buttweld Fittings

Easy disassembly and reconnection without cutting the main pipe
Facilitates frequent alignment adjustments or repairs
Allows for convenient replacement of sections in a piping system
Provides a secure and leak-proof connection
Compatible with lap joint flanges for flexibility
Simplifies installation, maintenance, and reconfiguration of piping systems

Applications of Stub End Buttweld Fittings

Stub-end buttweld fittings find application in various industries and piping systems. Here are some common applications:

Petrochemical Industry
Oil and gas industry
Water Treatment Facilities
Power Generation Plants
Food and Beverage Industry
Pharmaceutical Industry
HVAC (Heating, Ventilation, Air Conditioning)
Construction Project
Shipbuilding Industry
Mining Industry and so on.

Each order for Stub End Buttweld Fittings is carefully packaged according to the specific requirements of the customer, ensuring proper export preparation. If necessary, the fittings are packed in wooden cases or pallets. We take pride in providing comprehensive shipping documentation for the delivery process.

To initiate an order, one of our knowledgeable sales representatives will visit the client and assess the weight and dimensions of their possessions. They will inform the client about the appropriate packing method required and discuss the specific documentation needed for international shipment from India. Our goal is to prevent any damage during transportation, so great care is taken in packaging the products.

For export shipments, standard packaging involves the use of hardwood cases. Additionally, all fittings are marked with essential information such as Grade, Lot No., Size, Degree, and our company logo.

In addition to the products themselves, we offer various certifications and documentation. Specifically, we provide NACE 3.1 Certification for Stub End Buttweld Fittings. We also provide the Raw Materials Certificate, 100% Radiography Test Report, Manufacturer Test Certificate in accordance with EN 10204/3.1B, and Third Party Inspection Report. These certifications ensure the high quality of our fittings and guarantee their compliance with relevant standards.

To maintain the highest quality standards, all Stub End Buttweld Fittings undergo thorough inspections from the very beginning of the manufacturing process. Finally, based on the customer’s requirements, the fittings are packed with all their components in wooden boxes. These boxes are further protected by wrapping them in foam paper, plastic, newspaper, and plastic bubble wrap.

Cities We Supply Types of Buttweld Fittings

Bengaluru	Mumbai	Chennai	Hyderabad	Kolkata	Pune
New Delhi	Ahmedabad	Jaipur	Surat	Salem	Gandhinagar
Bhiwandi	Tiruppur	Sivakasi	Jamnagar	Thiruvananthapuram	Rajahmundry
Bhubaneswar	Vijaywada	Firozabad	Bokaro Steel City	Rajkot	Bharuch
Panna	Raipur	Cochin	Ludhiana	Panipat	Durgapur
Peenya	Pimpri-Chinchwad	Channapatna	Kharagpur	Nashik	Bareilly
Varanasi	Haldia	Rourkela	Bangalore	Moradabad	Indore
Visakhapatnam	Trivandrum	Pithampur	Dibrugarh	Angul	Gwalior
Coimbatore	Kannur	Nagpur	Vadodara	Rudrapur	Noida
Agra	Bhagalpur	Jamshedpur	Bhilai	Lucknow	Kanpur
Thane	Bhopal	Sri City	Bareilly	Hosdurg	Pithampur

Countries We Supply and Export Types of Buttweld Fittings

Saudi Arabia	Oman	Kuwait
Bahrain	Qatar	UAE
Nigeria	Mexico	Canada
India	Tanzania	Belgium
United States	South Africa	Malaysia
Singapore	Sri-Lanka	Australia
France	Italy	South Korea
Netherlands	Africa	Germany
Poland	Russia	Brazil
Iran	Europe	United Kingdom

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