Socket Weld Flange

Teshi Fittings, a premier manufacturer of pipe fittings, offers high-quality Socket Weld Flanges designed for various industries including Petroleum, Chemical, Hydraulic, Food, and more. Crafted with meticulous precision and adherence to international quality standards, our Socket Weld Flanges provide strong and leak-resistant connections for piping systems. With a commitment to excellence and customer satisfaction, Teshi Fittings delivers superior performance and durability in every flange, offering tailored solutions to meet specific project requirements. Experience the difference with Teshi Fittings’ Socket Weld Flanges and trust in our expertise for all your piping needs.

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Specification
Material & Grades
Dimensions

Standard Specification of Socket Weld Flange

Standards / Dimensions	ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, BS, GOST, MSS SP-44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605
Size	1/2″ (15 NB) to 48″ (1200NB)
Flange Face Types / Connection Type	Flat Face Flange (FF), Raised Face Flange (RF), Ring Joint Flange (RTJ), Lap Joint Flange, Male and Female Flange (M&F), Large and Small Tongue-and-Groove Flange (T&G)
Dimensions	ANSI B16.5, ANSI B16.47 Series A & B, ASA, API-605, MSS SP44, AWWA, Custom Drawings
BS	BS4504 , BS4504, BS1560, BS10
Class / Pressure Rating	150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.

Material & Grades of Socket Weld Flange

Stainless Steel	ASTM/ASME A/SA182:- F304, F304L, F316, F316L, ASTM/ASME A/SA351:- CF3, CF3M, CF8, CF8M, DIN 1.4306, DIN 1.4301, DIN 1.4404, DIN 1.4401, DIN 1.4408, DIN 1.4308, DIN 1.4306, DIN 1.4409
Duplex & Super Duplex Steel	S31803 / S32205 A182:- Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61 S32750 / S32760 A182:- Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Carbon Steel	ASTM/ASME A/SA105 A/SA105N and A/SA216-WCB, DIN 1.0460, DIN 1.0402, DIN 1.0619, Die Steel, ASTM A105 / ASME SA105, A105N, ASTM A350 LF2 / ASME SA350, CS High Yield ASTM A694 / A694 (F52, F56, F60, F65, F70, F80)
Low Temperature Carbon Steel	ASTM A350, LF2, LF3
Alloy Steel	ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Nickel Alloy	Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium (Grade I & II)

Dimension of Socket Weld Flange

SOCKET WELD FLANGE CLASS 150 DIMENSIONS

Size in Inch	Size in mm	Outer Dia.	Flange Thick.	Hub OD	Flange Length	RF Dia.	RF Height	Socket Depth	PCD	Socket Bore	No of Bolts	Bolt Size UNC	Machine Bolt Length	RF Stud Length	Hole Size	ISO Stud Size	Weight in kg
		A	B	C	D	E	F	G	H	J
1/2	15	90	9.6	30	14	34.9	2	10	60.3	22.2	4	1/2	50	55	5/8	M14	0.8
3/4	20	100	11.2	38	14	42.9	2	11	69.9	27.7	4	1/2	50	65	5/8	M14	0.9
1	25	110	12.7	49	16	50.8	2	13	79.4	34.5	4	1/2	55	65	5/8	M14	0.9
1 1/4	32	115	14.3	59	19	63.5	2	14	88.9	43.2	4	1/2	55	70	5/8	M14	1.4
1 1/2	40	125	15.9	65	21	73	2	16	98.4	49.5	4	1/2	65	70	5/8	M14	1.4
2	50	150	17.5	78	24	92.1	2	17	120.7	61.9	4	5/8	70	85	3/4	M16	2.3
2 1/2	65	180	20.7	90	27	105	2	19	139.7	74.6	4	5/8	75	90	3/4	M16	3.2
3	80	190	22.3	108	29	127	2	21	152.4	90.7	4	5/8	75	90	3/4	M16	3.7

SOCKET WELD FLANGE CLASS 300 DIMENSIONS

Size in Inch	Size in mm	Outer Dia.	Flange Thick.	Hub OD	Flange Length	RF Dia.	RF Height	Socket Depth	PCD	Socket Bore	No of Bolts	Bolt Size UNC	Machine Bolt Length	RF Stud Length	Hole Size	ISO Stud Size	Weight in kg
		A	B	C	D	E	F	G	H	J
1/2	15	95	12.7	38	21	34.9	2	10	66.7	22.2	4	1/2	55	65	5/8	M14	1.2
3/4	20	115	14.3	48	24	42.9	2	11	82.6	27.7	4	5/8	65	75	3/4	M16	1.4
1	25	125	15.9	54	25	50.8	2	13	88.9	34.5	4	5/8	65	75	3/4	M16	1.4
1 1/4	32	135	17.5	64	25	63.5	2	14	98.4	43.2	4	5/8	70	85	3/4	M16	1.8
1 1/2	40	155	19.1	70	29	73	2	16	114.3	49.5	4	3/4	75	90	7/8	M20	2.7
2	50	165	20.7	84	32	92.1	2	17	127	61.9	8	5/8	75	90	3/4	M16	3.2
2 1/2	65	190	23.9	100	37	105	2	19	149.2	74.6	8	3/4	85	100	7/8	M20	4.6
3	80	210	27	117	41	127	2	21	168.3	90.7	8	3/4	90	110	7/8	M20	5.9

SOCKET WELD FLANGE CLASS 600 DIMENSIONS

Size in Inch	Size in mm	Outer Dia.	Flange Thick.	Hub OD	Flange Length	RF Dia.	RF Height	Socket Depth	PCD	Socket Bore	No of Bolts	Bolt Size UNC	RF Stud Length	Hole Size	ISO Stud Size	Weight in kg
		A	B	C	D	E	F	G	H	J
1/2	15	95	14.3	38	22	34.9	7	10	66.7	22.2	4	1/2	75	5/8	M14	1.3
3/4	20	115	15.9	48	25	42.9	7	11	82.6	27.7	4	5/8	90	3/4	M16	1.4
1	25	125	17.5	54	27	50.8	7	13	88.9	34.5	4	5/8	90	3/4	M16	1.8
1 1/4	32	135	20.7	64	29	63.5	7	14	98.4	43.2	4	5/8	95	3/4	M16	2.3
1 1/2	40	155	22.3	70	32	73	7	16	114.3	49.5	4	3/4	110	7/8	M20	3.2
2	50	165	25.4	84	37	92.1	7	17	127	61.9	8	5/8	110	3/4	M16	4.1
2 1/2	65	190	28.6	100	41	105	7	19	149.2	74.6	8	3/4	120	7/8	M20	5.9
3	80	210	31.8	117	46	127	7	21	168.3	90.7	8	3/4	125	7/8	M20	7.3

SOCKET WELD FLANGE CLASS 1500 DIMENSIONS

Size in Inch	Size in mm	Outer Dia.	Flange Thick.	Hub OD	Flange Length	RF Dia.	RF Height	Socket Depth	PCD	Socket Bore	No of Bolts	Bolt Size UNC	RF Stud Length	Hole Size	ISO Stud Size	Weight in kg
		A	B	C	D	E	F	G	H	J
1/2	15	120	22.3	38	32	34.9	7	10	82.6	22.2	4	3/4	110	7/8	M20	1.8
3/4	20	130	25.4	44	35	42.9	7	11	88.9	27.7	4	3/4	115	7/8	M20	2.3
1	25	150	28.6	52	41	50.8	7	13	101.6	34.5	4	7/8	125	1	M24	3.7
1 1/4	32	160	28.6	64	41	63.5	7	14	111.1	43.2	4	7/8	125	1	M24	4.1
1 1/2	40	180	31.8	70	44	73	7	16	123.8	49.5	4	1	140	1 1/8	M27	5.5
2	50	215	38.1	105	57	92.1	7	17	165.1	61.9	8	7/8	145	1	M24	9.8
2 1/2	65	245	41.3	124	64	105	7	19	190.5	74.6	8	1	160	1 1/8	M27	16.4
3	80	265	47.7	133	N/A	127	7		203.2	N/A	8	1 1/8	180	1 1/4	M30	21.8

Manufacturing process and features of Socket Weld Flange

Manufacturing Process:

Material Selection : Choose appropriate materials such as stainless steel, carbon steel, or alloy steel based on the application requirements.
Cutting : Cut the selected material into the required size using cutting machines or torches.
Forming the Flange : Forge or machine the raw material to form the basic shape of the flange, ensuring precise dimensions and smooth surfaces.
Socket Weld End Preparation : Form the socket weld ends on the flange, which will accommodate the pipes to be welded. This process involves machining or shaping the interior of the flange to create the socket.
Drilling : Drill bolt holes into the flange according to standards such as ANSI B16.5 or customer specifications, ensuring proper alignment for bolting.
Heat Treatment : Apply heat treatment processes like annealing, normalizing, or quenching to improve mechanical properties and relieve internal stresses in the flange.
Surface Finishing : Perform surface treatments such as grinding, polishing, or coating to enhance corrosion resistance and improve aesthetics.
Inspection and Testing : Conduct rigorous inspection and testing, including dimensional checks and non-destructive testing (NDT) methods like ultrasonic or radiographic testing, to ensure quality and reliability.
Marking and Packaging : Mark the flange with relevant information such as material grade, size, pressure rating, and standards compliance. Carefully package the flanges to protect them during transportation.

Features of Socket Weld Flange :

Ease of Installation : Socket Weld flanges are easy to install and align. The pipe is inserted into the socket and welded around the joint, ensuring a strong and leak-free connection.
Leak-Free Seal : Provides a tight seal, suitable for applications where leakage prevention is critical, such as high-pressure and high-temperature environments.
Strength and Durability : Designed to withstand high pressures and temperatures, ensuring long-term performance and reliability in demanding industrial applications.
Precision Engineering : Manufactured to precise dimensional tolerances, ensuring proper fit and alignment with pipes and other flange components.
Versatility : Available in various sizes, materials, and pressure ratings, making them suitable for a wide range of piping systems and applications.
Corrosion Resistance : Offered in materials with excellent corrosion resistance properties, suitable for use in corrosive environments.
Cost-Effectiveness : Generally more cost-effective than Weld Neck or Threaded flanges, both in terms of initial cost and installation.
Weld Integrity : Ensures strong weld joints between the pipe and the flange, minimizing the risk of weld defects and ensuring structural integrity.

Application Of Socket Weld Flange

Oil and Gas Industry	Used in upstream, midstream, and downstream operations for connecting pipelines, wellheads, and processing equipment. They provide secure connections in high-pressure and high-temperature environments.
Chemical Processing	Found in chemical plants for connecting pipes that transport corrosive chemicals and fluids. Socket Weld flanges ensure leak-free connections essential for safety and operational efficiency.
Power Generation	Utilized in power plants for connecting boiler and steam piping systems. They withstand high temperatures and pressures, ensuring reliable and efficient operation.
Petrochemical Industry	Integral in petrochemical plants for connecting pipes that carry various hydrocarbons and chemicals. Socket Weld flanges provide secure connections in demanding processing environments.
Water Treatment	Used in water treatment facilities for connecting pipes that transport treated water, chemicals, and slurry. They ensure leak-free connections critical for maintaining water quality.
Food and Beverage Processing	Applied in food processing plants for connecting sanitary piping systems. Socket Weld flanges provide hygienic, leak-free connections essential for maintaining product integrity.
Pharmaceutical Industry	Found in pharmaceutical manufacturing facilities for connecting pipes in sterile environments. Socket Weld flanges ensure clean, leak-free connections crucial for maintaining product purity.
Aerospace and Defense	Used in aerospace applications for connecting hydraulic and fuel lines. Socket Weld flanges provide strong, reliable connections essential for aircraft safety and performance.
HVAC Systems	Employed in heating, ventilation, and air conditioning systems for connecting piping that transports fluids and gases. Socket Weld flanges ensure efficient and leak-free operation.
Marine and Offshore Applications	Found in marine environments on ships, offshore platforms, and drilling rigs. Socket Weld flanges provide durable connections resistant to corrosion and harsh sea conditions.

Socket Weld Flange Available Types

Socket Weld Flange Manufacturer	Socket Weld Flange Exporter
Stainless Steel Socket Weld Flange	Forged Steel Raised Face Socket Weld Flange
Carbon Steel Socket Weld Flange	ANSI B16.47 Socket Weld Flange
Alloy Steel Socket Weld Flange Stockholder	Class 150 LBS Socket Weld Flange Stockiest
Nickel Alloy Socket Weld Flange Suppliers	MSS SP44 Socket Weld Flange
Inconel Socket Weld Flange Stockiest	Class 300 LBS Socket Weld Flange
Alloy Steel Socket Weld Flange Exporter	Class 600 LBS Socket Weld Flange
Duplex Steel Socket Weld Flange Stockists	DIN / EN Socket Weld Flange Manufacturers
Titanium Alloy Socket Weld Flange	ASME / ANSI B16.5 SWRF Flange
Super Duplex Steel SWRF Flange	ANSI / ASME Socket Weld Flange
Copper Nickel Socket Weld Flange	High Quality Socket Weld Flange

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Frequently Asked Questions

Most frequent questions and answers

A socket weld flange is a type of flange designed to be welded to the end of a pipe. It features a socket-like recess where the pipe is inserted before welding. This design provides a strong and secure connection by fully welding around the pipe, making it suitable for high-pressure and high-temperature applications.

Socket weld flanges are available in a range of sizes to match various pipe diameters and flange standards. Standard sizes are available, and custom sizes can be manufactured to meet specific needs.

Socket weld flanges are installed by inserting the end of the pipe into the flange’s socket and aligning it. The flange is then welded around the pipe, both internally and externally, to create a secure connection. The process includes cleaning and preparing the surfaces before welding to ensure a strong bond and a leak-proof seal.

Yes, we offer custom manufacturing solutions for socket weld flanges to meet specific requirements. Please contact us with your detailed specifications, and we will work with you to produce flanges tailored to your needs.

The lead time for socket weld flanges depends on the complexity and volume of the order. After reviewing your specifications, we will provide an estimated lead time. We are committed to delivering all projects on schedule while maintaining the highest quality standards.

Yes, socket weld flanges can be used for both liquid and gas applications, provided they are made from appropriate materials and installed correctly to handle the specific conditions of the system, including pressure and temperature.

Socket weld flanges are typically made from materials such as carbon steel, stainless steel, alloy steel, and other metals. The material choice is based on the application’s requirements, including the type of fluid or gas, temperature, pressure, and environmental conditions.

Socket weld flanges are used in industries where high-pressure and high-temperature conditions are prevalent, such as in oil and gas, petrochemical, and power generation industries. They are ideal for applications that require a strong, leak-proof connection with minimal risk of corrosion and stress concentration.

Socket weld flanges are manufactured to comply with various industry standards, such as ASME B16.5, ASME B16.47, and API standards. These standards define the dimensions, tolerances, and material requirements to ensure compatibility and reliability in piping systems.

Socket weld flanges offer several advantages, including:

Strong connection: Provides a robust and secure connection through full welding.
High-pressure capability: Suitable for high-pressure and high-temperature applications.
Reduced stress concentration: The design minimizes stress points compared to other flange types.
Leak-proof seal: Ensures a reliable, leak-proof connection.
Compliance with standards: Ensures quality and performance in piping systems.

Regular inspection of socket weld flanges involves checking for leaks and ensuring that the welds remain intact. It is important to inspect for any signs of corrosion, wear, or damage that could affect the integrity of the connection. Ensuring proper weld quality and maintenance is crucial for long-term reliability.