Socket Weld Fittings

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Socket Weld Fittings

 

Neelcon Steel Industries is a professional supplier, mainly engaging on manufacturing various Socket Weld FittingsSocket Weld Fittings. We are the proud member of MASSMA that depicts our sound networking in the market and ability to grow profusely. Established in the year 1980, we Neelcon Steel Industries, are an eminent manufacturer, trader, distributor of wide range of Socket Weld Fittings We also provide customized solutions to clients, as per their specific requirements. Our products are widly used by many industries. All activities are managed by efficient professionals who put in their core efforts to provide flawlessness in our range of Socket Weld Fittings. You Can Get Best Price on Socket Weld Fittings and timely delivery.

Size : 1/2"NB TO 4"NB IN

Class : 3000 LBS, 6000 LBS, 9000 LBS

Type : Socket Weld (S/W) & SCREWED (SCRD) – NPT, BSP, BSPT   

MATERIALS : 
Stainless Steel Socket Weld Fittings – SS Socket Weld Fittings 
ASTM A182 F304, 304H, 309, 310, 316, 316L, 317L, 321, 347, 904L 

Duplex Stainless Steel Socket Weld Fittings - Duplex SS Socket Weld Fittings 
ASTM / ASME A/SA 182 UNS F 44, F 45, F51, F 53, F 55, F 60, F 61.

Carbon Steel Socket Weld Fittings – CS Socket Weld Fittings
ASTM A105 / A694 / Grade. F42 / GR 46 / GR 52 / GR 56 / GR 60 / GR 65 / GR 70

Low Temperature Carbon Steel Socket Weld Fittings  – LTCS Socket Weld Fittings
A350 LF3/A350 LF2

Alloy Steel Socket Weld Fittings – AS Socket Weld Fittings
ASTM / ASME A/SA 182  F1/F5/F9/F11/F22/F91

VALUE ADDED SERVICES
Hot Dip Galvanizing  
Electro polish

TEST CERTIFICATE 
Mill Test Certificate as per EN 10204 / 3.1B


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Forged Pipe Fittings / Socket Weld Fittings

Socket Weld Fittings
Material :
  1. Stainless Steel ASTM A182 F304, F304L, F306, F316L, F304H, F309S, F309H, F310S, F310H, F316TI, F316H, F316LN, F317, F317L, F321, F321H, F11, F22, F91, F347, F347H, F904L
    ASTM A312/A403 TP304, TP304L, TP316, TP316L
  2. Carbon Steel ASTM A105, A350 LF2, A106 Gr.B, A234 WPB
Dimension : ASME 16.11, MSS SP-79, 83, 95, 97, BS 3799
Pressure : 3000LBS, 6000LBS, 9000LBS
Size : 1/8"~4" (DN6~DN100)
Socket Weld Fittings, Forged Pipe Socket Weld Fittings, Forged Pipe Socket Weld Fittings, Forged Pipe

90° Elbow

45° Elbow
Tee
Socket Weld Fittings, Forged Pipe Socket Weld Fittings, Forged Pipe Socket Weld Fittings, Forged Pipe
Cross Full Coupling Half Coupling
Socket Weld Fittings, Forged Pipe Socket Weld Fittings, Forged Pipe Socket Weld Fittings, Forged Pipe
Pipe Cap Union Reducer Insert
Socket Weld Fittings, Forged Pipe Socket Weld Fittings, Forged Pipe Socket Weld Fittings, Forged Pipe
Boss Branch Outlet 90° Elbow Outlet
Socket Weld Fittings, Forged Pipe Socket Weld Fittings, Forged Pipe Socket Weld Fittings, Forged Pipe
45° Lateral Tee Lateral Outlet
Branch Outlet Butt Weld
Socket Weld Fittings, Forged Pipe Socket Weld Fittings, Forged Pipe Socket Weld Fittings, Forged Pipe
90° Elbow Outlet Butt Weld Lateral Outlet Butt Weld Nipple Branch Outlet Bevel / Plain Ends
     
Definition and Details of Socket Weld Fittings ASME B16.11

Socket Weld fittings general

A Socket Weld is a pipe attachment detail in which a pipe is inserted into a recessed area of a Valve, fitting or flange. In contrast to buttweld fittings, Socket Weld fittings are mainly used for small pipe diameters (Small Bore Piping); generally for piping whose nominal diameter is NPS 2 or smaller.

To join pipe to Valves and fittings or to other sections of pipe, fillet-type seal welds be used. Socket-welded Joints construction is a good choice wherever the benefits of high leakage integrity and great structural strength are important design considerations.

Fatigue resistance is lower than that in butt-welded construction due to the use of fillet welds and abrupt fitting geometry, but it is still better than that of most mechanical joining methods.

Some details of Socket Weld fittings

SW Fittings are family of high pressure fittings are used in various industrial processes.

  • They are used for lines conveying flammable, toxic or expensive material where no leakage can be permitted, and for steam 300 to 600 PSI.
  • They are used only in conjunction with ASME Pipe and are available in the same size range.
  • They are used in areas where pipe-work is permanent and are designed to provide good flow characteristics.
  • They are are produced to several ASTM standards and are manufactured in accordance with ASME B16.11. The B16.11 standard covers pressure-temperature ratings, dimensions, tolerances, marking, and material requirements for forged carbon and alloy steel. Acceptable material forms are forgings, bars, seamless pipe, and seamless tubes which conform to the fittings chemical requirements, melting practices, and mechanical property requirements of ASTM A105, A182, or A350.
  • They are available in three pressure ratings: Class 3000, 6000 and 9000.

Types of socket weld fittings by class, size and wall thickness

Socket Weld Fittings
Description Class Designation
3000 6000 9000
Elbows 45 and 90 degrees,
Tees, Crosses, Couplings,
Half-Couplings,
End or Pipe Caps
1/2 - 4 1/2 - 2 1/2 - 2
1/2 - 4 1/2 - 2 1/2 - 2
1/2 - 4 1/2 - 2 1/2 - 2
Pipe Size
by Wall Thickness
SCH 80 & XS SCH 160 XXS

Plugs and Bushings are not identified. They may be used up through Class 6000 NPS

Advantages and disadvantages of Socket Weld fittings

Advantages

  • The pipe need not be beveled for weld preparation.
  • Temporary tack welding is no needed for alignment, because in principle the fitting ensures proper alignment.
  • The weld metal can not penetrate into the bore of the pipe.
  • They can be used in place of threaded fittings, so the risk of leakage is much smaller.
  • Radiography is not practical on the fillet weld; therefore correct fitting and welding is crucial. The fillet weld may be inspected by surface examination, magnetic particle (MP), or liquid penetrant (PT) examination methods.
  • Construction costs are lower than with butt-welded joints due to the lack of exacting fit-up requirements and elimination of special machining for butt weld end preparation.
Socket Weld system example

Disadvantages

  • The welder should ensure for a expansion gap of 1/16 inch (1.6 mm) between de pipe and the shoulder of the socket.
    ASME B31.1 para. 127.3 Preparation for Welding (E) Socket Weld Assembly says:
    In assembly of the joint before welding, the pipe or tube shall be inserted into the socket to the maximum depth and then withdrawn approximately 1/16" (1.6 mm) away from contact between the end of the pipe and the shoulder of the socket.
  • The expansion gap and internal crevices left in socket-welded systems promotes corrosion and make them less suitable for corrosive or radioactive applications where solids buildup at the joints may cause operating or maintenance problems. Generally require butt welds in all pipe sizes with complete weld penetration to the inside of the piping.
  • Socket welding are unacceptable for UltraHigh Hydrostatic Pressure (UHP) in Food Industry application since they do not permit full penetration and leave overlaps and crevices that are very difficult to clean, creating virtual leaks.

The purpose for the bottoming clearance in a Socket Weld is usually to reduce the residual stress at the root of the weld that could occur during solidification of the weld metal, and to allow for differential expansion of the mating elements.

Fittings for Socket Weld Pipe systems

Socket Weld Full Coupling Full-coupling
A Full Coupling, joins pipe two pipe or to a nipple etc..
Socket Weld Half Coupling Half-coupling
The Half Coupling can be directly welded to the run pipe, to make a branch connection.
Socket Weld Reducing Coupling Reducing coupling
The Reducing Coupling joints two different outside diameters of pipe.
Socket Weld Reducing Insert Reducer insert
Socket Weld Reducer Inserts are manufactured to MSS SP-79. They enable quick and economic combinations of pipeline reductions to be made using standard Socket Weld fittings.
Socket Weld Union Union (MSS SP-83)
It is a screwed joint design and it consists of three interconnected pieces: two internally threads and a centerpiece that draws the ends together when rotated. Unions should be screwed tight before the ends are welded to minimize warping of the seats.
Socket Weld Elbow 90 degrees Elbow 90°
This Elbows make 90° changes of direction in the run of pipe.
Socket Weld Elbow 45 degrees Elbow 90°
This Elbows make 45° changes of direction in the run of pipe.
Socket Weld Tee Straight Tee Straight
This Tee makes 90° branch from the main run of pipe.
Socket Weld Cross Cross
Crosses makes 90° branch from the main run of pipe.
Socket Weld Cap Cap (End Cap)
Seals the end of pipe.

Remark(s)



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Pipe Fitting Materials Pipe Fitting Grades Pipe Fitting Sizes DN Size NPS Size
  • AISI 316
  • Alloy Steel
  • Alloy20
  • ASTM A105
  • ASTM A106
  • ASTM A126
  • ASTM A182
  • ASTM A216
  • ASTM A217
  • ASTM A234
  • ASTM A312
  • ASTM A333
  • ASTM A350
  • ASTM A351
  • ASTM A352
  • ASTM A395
  • ASTM A403
  • ASTM A420
  • ASTM A494
  • ASTM A536
  • ASTM A672
  • ASTM A790
  • ASTM A815
  • ASTM A860
  • ASTM B148
  • Carbon Steel
  • Duplex Steel
  • Forged Steel
  • LTCS
  • Q235
  • Rubber
  • SS304
  • SS304L
  • SS310S
  • SS312
  • SS316
  • SS316L
  • SS317L
  • SS321
  • SS347H
  • SS904L
  • Stainless Steel
  • SUS 304
Pipe Fitting Degree
  • 180 Degree
  • 30 Degree
  • 40 Degree
  • 45 Degree
  • 54 Degree
  • 90 Degree
Pipe Fitting Ends
  • Bevelled Ends
  • BSP Ends
  • BSPT Ends
  • Butt Welded Ends
  • Flanged Ends
  • Flanged FF Ends
  • Flanged RF Ends
  • Flanged RTJ Ends
  • FNPT Ends
  • Forged Ends
  • Grooved Ends
  • Hose Ends
  • Lug Ends
  • MNPT Ends
  • NPT Ends
  • Plain Ends
  • Screwed Ends
  • Socket Welded Ends
  • Swing Ends
  • Threaded Ends
  • Wafer Ends
Pipe Fitting Coating
  • 3LPE
  • Epoxy
  • Galvanized
  • Green Coated
  • HDPE
  • Oil Coated
  • Orange
  • PTFE Coated
  • Xylan Coated
  • Yellow Coated
  • Zinc Coated
MSS SP Standard
  • MSS SP-43
  • MSS SP-67
  • MSS SP-71
  • MSS SP-75
  • MSS SP-79
  • MSS SP-83
  • MSS SP-85
  • MSS SP-95
  • MSS SP-97
  • 65-45-12
  • C12
  • C5
  • CF3
  • CF3M
  • CF8
  • CF8C
  • CF8M
  • CL1
  • F11
  • F22
  • F304
  • F304L
  • F316
  • F316L
  • F321
  • F347
  • F5
  • F51
  • F91
  • Grade 12
  • Grade 45
  • Grade 6
  • Grade 65
  • Grade A
  • Grade B
  • Grade C
  • LCB
  • LCC
  • LF2
  • M35
  • TP304H
  • UNS C95800
  • UNS S31803
  • UNS S32750
  • UNS S32760
  • WP1
  • WP11
  • WP12
  • WP22
  • WP304
  • WP304L
  • WP316
  • WP316L
  • WP321
  • WP347
  • WP5
  • WP9
  • WP91
  • WPB
  • WPC
  • WPHY 42
  • WPHY 46
  • WPHY 52
  • WPHY 56
  • WPHY 60
  • WPHY 65
  • WPHY 70
  • WPL1
  • WPL3
  • WPL6
  • WPS31254
  • X60
Pipe Fitting Schedules
  • Schedule 10
  • Schedule 100
  • Schedule 10S
  • Schedule 120
  • Schedule 140
  • Schedule 160
  • Schedule 20
  • Schedule 20S
  • Schedule 30
  • Schedule 40
  • Schedule 40S
  • Schedule 5
  • Schedule 5S
  • Schedule 60
  • Schedule 80
  • Schedule 80S
  • Schedule STD
  • Schedule XS
  • Schedule XXS
JIS Standard
  • JIS B2002
  • JIS B2003
  • JIS B2071
  • JIS B2073
  • JIS B2083
  • JIS B2212
  • JIS B2213
  • JIS B2214
  • JIS B2311
  • JIS B2312
  • JIS B2313
  • JIS B2316
EN Standard
  • EN 10253
  • EN 1092
  • EN 12266
  • EN 545
  • EN 593
  • DN10
  • DN100
  • DN1000
  • DN1050
  • DN1100
  • DN1200
  • DN1300
  • DN1400
  • DN15
  • DN150
  • DN1500
  • DN1600
  • DN1800
  • DN20
  • DN200
  • DN2000
  • DN25
  • DN250
  • DN300
  • DN3000
  • DN32
  • DN350
  • DN3600
  • DN40
  • DN400
  • DN450
  • DN4800
  • DN50
  • DN500
  • DN550
  • DN6
  • DN600
  • DN65
  • DN650
  • DN700
  • DN750
  • DN8
  • DN80
  • DN800
  • DN900
Pipe Fitting Pressure
Class Rating
  • 125LB
  • 1500LB
  • 150LB
  • 2000LB
  • 2500LB
  • 3000LB
  • 300LB
  • 400LB
  • 6000LB
  • 600LB
  • 800LB
  • 9000LB
  • 900LB
  • JIS 20K
Nominal Pressure
  • PN10
  • PN100
  • PN150
  • PN16
  • PN160
  • PN20
  • PN25
  • PN250
  • PN40
  • PN420
  • PN50
  • PN64
DIN Standard
  • DIN 2501
  • DIN 2605
  • DIN 2615
  • DIN 2616
  • DIN 2617
  • DIN 28011
  • DIN 2999
  • DIN 3202
  • DIN 3352

 

BS Standard
  • BS 1414
  • BS 1868
  • BS 1873
  • BS 2080
  • BS 3799
  • BS 4504
  • BS 5155
  • BS 5163
  • BS 5351
  • BS 5352
  • BS 545
  • BS 6755
Bend Dimension
  • 10D Bend
  • 3D Bend
  • 4D Bend
  • 5D Bend
  • 6D Bend
  • 7D Bend
  • 8D Bend
  • 1 1/2 Inch
  • 1 1/4 Inch
  • 1 Inch
  • 1/2 Inch
  • 1/4 Inch
  • 1/8 Inch
  • 10 Inch
  • 12 Inch
  • 120 Inch
  • 14 Inch
  • 16 Inch
  • 18 Inch
  • 192 Inch
  • 2 1/2 Inch
  • 2 Inch
  • 20 Inch
  • 22 Inch
  • 24 Inch
  • 26 Inch
  • 28 Inch
  • 3 Inch
  • 3/4 Inch
  • 3/8 Inch
  • 30 Inch
  • 32 Inch
  • 36 Inch
  • 4 Inch
  • 40 Inch
  • 42 Inch
  • 44 Inch
  • 48 Inch
  • 5 Inch
  • 52 Inch
  • 56 Inch
  • 6 Inch
  • 60 Inch
  • 64 Inch
  • 72 Inch
  • 8 Inch
  • 80 Inch
API Standard
  • API 526
  • API 527
  • API 528
  • API 529
  • API 594
  • API 595
  • API 597
  • API 598
  • API 599
  • API 5L
  • API 600
  • API 601
  • API 602
  • API 603
  • API 604
  • API 607
  • API 608
  • API 609
  • API 6A
  • API 6D
ASME Standard
  • ASME B1.20.1
  • ASME B16.10
  • ASME B16.11
  • ASME B16.20
  • ASME B16.25
  • ASME B16.28
  • ASME B16.34
  • ASME B16.47
  • ASME B16.49
  • ASME B16.5
  • ASME B16.9
  • ASME B31.4
  • ASME B36.10
  • ASME SA105N
ANSI Standard
  • ANSI B1.20.1
  • ANSI B16.10
  • ANSI B16.11
  • ANSI B16.20
  • ANSI B16.25
  • ANSI B16.28
  • ANSI B16.34
  • ANSI B16.49
  • ANSI B16.5
  • ANSI B16.9
  • ANSI B36.10
ISO Standard
  • ISO 2084
  • ISO 2531
  • ISO 4126
  • ISO 5208
  • ISO 5209
  • ISO 5210
  • ISO 5211
  • ISO 5752
  • ISO 5996
  • ISO 6002
  • ISO 7121
  • ISO 7259

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