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We are an established manufacturer of stainless steel threaded coupling, and socket weld coupling in India.


ASME B16.11 Coupling



ASME B16.11 coupling specification

Size Range Pressure Rating Wall Thickness
  • 1/8”- 12” in Class 3000
  • 1/8”- 8” in Class 6000
  • 1/8 – 8” in Class 150
  • 1/8”- 4” in Class 9000
  • 1000 PSI
  • 2000 PSI
  • 3000 PSI
  • 6000 PSI
  • 9000 PSI
  • SCH 10
  • SCH 80
  • SCH 160
  • SCH XXS
Types Of Threaded Coupling End Connection Application
  • Threaded Full Coupling
  • Threaded Half Coupling
  • Threaded Reducing Coupling
  • Screwed coupling
  • Female threaded coupling
  • One side threaded coupling
  • Threaded union coupling
  • Threaded shaft coupling
  • NPT coupling
  • BSP coupling
  • Threaded straight coupling
  • Class 3000/ 6000/ 9000 (Socket Weld End)
  • Class 2000/ 3000 / 6000 (Threaded End)
  • Power stations
  • Oil and Gas
  • Petrochemicals
  • Mining slurry
ASME Standard Types Of Forging Certification
  • ASME B16.11
  • ANSI B16.11
  • CNC Machined
  • Forged
EN 10204 3.1
Types Of Socket Weld Coupling Available Threads Of Aluminum Threaded Coupling Documentation Of Stainless Steel Threaded Coupling
  • Socket weld full coupling
  • Socket weld half coupling
  • Socket weld reducing coupling
  • NPTF
  • BSP
  • BSPP
  • SAE
  • BSPT
  • NPT
  • Heat treatment charts
  • Welding procedure specification
  • Raw material test reports
  • MTC
We Provide Value Added Services Heat Treatment Of Carbon Steel Coupling Surface Treatment
  • Metal stampings
  • Coating
  • Beveling end
  • Polishing
  • Cutting
  • MTR’s Available
  • Normalizing
  • Solution
  • Tempering
  • Quenching
  • Galvanized
  • Zinc Plated
  • Polished
  • Anti-rust Oil
Manufacturing Methods for Coupling and Half Coupling Machines In House Testing For CS Half Coupling
  • Forging process
  • Casing process
CNC (Computer Numerical Control)
  • Impact test
  • Tensile test
  • Material inspection
  • Hardness test
  • Visual inspection


Socket weld half coupling dimension

Class 3000

Socket weld half coupling dimension
NPS DIN D C B J F
Bore Diameter Socket Wall Thickness Socket Bore Depth Socket Half coupling
1/2 15 16.6
15
4.65
4.10
21.95
21.70
10 22.5
3/4 20 21.7
20.2
4.90
4.25
27.30
27.05
13 23.5
1 25 27.4
25.9
5.70
5.00
34.05
33.80
13 29
1.1/4 32 35.8
34.3
6.05
5.30
42.80
42.55
13 30
1.1/2 40 41.7
40.1
6.35
5.55
48.90
48.65
13 32
2 50 53.5
51.7
6.95
6.05
61.35
61.10
16 41
2.1/2 65 64.2
61.2
8.75
7.65
74.20
73.80
16 42.5
3 80 79.5
46.4
9.50
8.30
90.15
89.80
16 44.5
4 100 103.8
100.7
10.70
9.35
115.80
115.45
19 47.5

Carbon steel coupling price list

Supplier of threaded full coupling and socket weld half coupling provide material of origin and MTC certificate of screwed coupling while purchasing the product in Mumbai.

Carbon steel coupling price list

(Full coupling) (3000 PSI) (Grade : ASTM A105) ( per piece in US Dollar)

  • 1/8" x 1/8"
  • 1/4" x 1/4"
  • 3/8" x 3/8"
  • 1/2" x 1/2"
  • 1" x 1"
  • 1 1/2" x 1 1/2"
  • 2" x 2"
  • 2 1/2" x 2 1/2"
  • 3" x 3"
  • 4" x 4"
  • US $0.72
  • US $1.18
  • US $1.38
  • US $1.75
  • US $2.27
  • US $2.63
  • US $2.95
  • US $3.57
  • US $4.36
  • US $5.10

Benefits of ASME B16.11 half coupling threaded

  • Versatility
  • Ease of installation
  • Durability
  • Cost-effectiveness
  • Threaded coupling Used to change pipe size
  • Stainless steel half coupling connects two pipes together
  • Male and female coupling helps to repair a leaking pip


Check difference between NPT and BSPT threads in threaded coupling, stockist of socket weld reducing coupling for leak-tight connections, and benefits of threaded half coupling.



Difference between NPT and BSPT threads in threaded coupling

Difference between NPT and BSPT threads in threaded coupling

Buy ready stock of male and female coupling, and one side threaded coupling with most selling sizes and schedule with factory price.


Most selling types of ASME B16.11 coupling


Socket weld coupling

Socket weld coupling

Socket weld full coupling

Socket weld full coupling

Socket weld half coupling

Socket weld half coupling

Socket weld reducing couplings

Socket weld reducing couplings

SS socket weld couplings

SS socket weld couplings

Threaded couplings

Threaded couplings

Threaded full couplings

Threaded full couplings

Threaded half couplings

Threaded half couplings

Threaded reducing couplings

Threaded reducing couplings

Screwed couplings

Screwed couplings

Stainless steel threaded couplings

Stainless steel threaded couplings

Threaded carbon steel couplings

Threaded carbon steel couplings

SS threaded couplings

SS threaded couplings

CS half couplings

CS half couplings

Carbon steel couplings

Carbon steel couplings

Stainless steel couplings

Stainless steel couplings

Threaded coupling reducer

Threaded coupling reducer

Coupling with thread

Coupling with thread

Male and female couplings

Male and female couplings

Double threaded couplings

Double threaded couplings

Threaded pipe couplings

Threaded pipe couplings

NPT couplings

NPT couplings

BSP couplings

BSP couplings

One side threaded couplings

One side threaded couplings



Check socket weld full coupling dimensions, carbon steel half coupling weight chart, and SS coupling size chart

Socket weld full coupling dimensions

Class 6000

Socket weld full coupling dimensions
Normal Pipe Size D C B J E
Bore Diameter Socket Wall Thickness Socket Bore Depth Socket Full Coupling
1/2 12.5
11
5.95
5.20
21.95
21.70
10 9.5
3/4 16.3
14.8
6.95
6.05
27.30
27.05
13 9.5
1 21.5
19.9
7.90
6.95
34.05
33.80
13 13
1.1/4 30.2
28.7
7.90
6.95
42.80
42.55
13 13
1.1/2 34.7
33.2
8.90
7.80
48.90
48.65
13 13
2 43.6
42.1
10.90
9.50
61.35
61.10
16 19

Sizes Of stainless steel coupling

Description Pressure
2000 LB 3000LB 6000LB

Half Coupling
Full Coupling
Reducing Coupling
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 Wall SCH 80 SCH 160 XXS

Socket weld half coupling Weight Chart

Half Coupling Weight in KG
DN Class 3000 NSP Class 6000
6 0.03 1/8 0.03
8 0.03 1/4 0.04
10 0.04 3/8 0.05
15 0.07 1/2 0.08
20 0.1 3/4 0.14
25 0.14 1 0.24
32 0.24 1 1/4 0.33
40 0.26 1 1/2 0.42
50 0.5 2 0.8
65 0.8 2 1/2 1.1
80 0.9 3 1.2
100 1.4 4


Threaded full coupling dimensions

Class 3000

Threaded full coupling dimensions
Normal Pipe Size DN Thread Length (Minimum) A D
B J Length O.D.
1/2 15 10.9 13.6 48 28
3/4 20 12.7 13.9 51 35
1 25 14.7 17.3 60 44
1.1/4 32 17 18 67 57
1.1/2 40 17.8 18.4 79 64
2 50 19 19.2 86 76
2.1/2 65 23.6 28.9 92 92
3 80 25.9 30.5 108 108
4 100 27.7 33 121 140


Threaded half coupling dimensions

Threaded half coupling dimensions
Normal Pipe Size Length Of Thread A D DN
B J Length O.D.
1/2 10.9 13.6 48 38 15
3/4 12.7 13.9 51 44 20
1 14.7 17.3 60 57 25
1.1/4 17 18 67 64 32
1.1/2 17.8 18.4 79 76 40
2 19 19.2 86 92 50
2.1/2 23.6 28.9 92 108 65
3 25.9 30.5 108 127 80
4 27.7 33 121 159 100


Reducing coupling weight chart

Size Weight (in Pounds)
¼ x ⅛ 0.11
½ x ⅛ 0.32
1 x ⅛ 0.98
1½ x ¼ 2.41
2 x ½ 3.71
2½ x 1¼ 5.92
3 x ¾ 10.1
3 x 2½ 10.1
4 x 1½ 14.7
4 x 2½ 14.7
4 x 3 14.7


Threaded full coupling weight

Full Coupling weight in KG
DN Class 3000 NPS
6 0.06 1/8
8 0.08 1/4
10 0.11 3/8
15 0.22 1/2
20 0.3 3/4
25 0.55 1
32 0.86 1 1/4
40 1.26 1 1/2
50 1.65 2
65 3 2 1/2
80 4.25 3
100 7.8 4


Material of screwed coupling

Stainless Steel Forged Fittings Carbon Steel Forged Fittings Alloy Steel Forged Fittings
  • ASTM A105 Threaded fittings
  • ASME SA350 LF2 Class 2 couplings
  • LTCS full couplings
  • ASTM A694 F42 screwed couplings
  • CS SA694 Grade F46 half couplings
  • SA 694 Carbon F52 one side threaded couplings
  • F56 High Yield forged couplings
  • F60 CS threaded union couplings
  • ASTM A694 F65 threaded coupling fittings
  • A694 694 F70 threaded shaft couplings
  • ASTM A182 F1 threaded pipe couplings
  • Alloy Steel F5 reducing coupling socket weld
  • SA 182 F9 full coupling socket weld
  • Grade F11 weld couplings
  • Low Alloy F22 npt pipe couplings
  • Alloy Steel F91 left right pipe couplings
Super Duplex Forged Fittings Duplex Forged Fittings Titanium Forged Fittings
Monel Forged Fittings Nickel Alloy Forged Fittings Copper Nickel Forged Fittings
  • Monel 400 : ASTM B564 UNS N04400 double threaded coupling
  • Monel 401 : ASTM B564 UNS N04401 NPT couplings
  • Monel K500 : ASTM B564 UNS N05500 BSP couplings
  • Nickel Alloy 200 : ASTM B564 UNS N02200 socket weld x threaded couplings
  • Nickel Alloy 201 : ASTM B564 UNS N02201 gas pipe left right couplings
  • Copper Nickel 90/10 : ASTM B151 UNS C70600 half coupling welding to pipe
  • Copper Nickel 70/30 : ASTM B151 UNS C71500 one side threaded coupling
Inconel Forged Fittings Incoloy Forged Fittings Hastelloy Forged Fittings
  • Inconel 600 Forged Fittings
  • Inconel 625 Forged Fittings
  • Inconel 601 : ASTM B564 UNS N06601 threaded couplings
  • Inconel 617 : ASTM B564 UNS N06617 threaded full couplings
  • Inconel 686 : ASTM B564 UNS N06686 threaded half couplings
  • Inconel 690 : ASTM B564 UNS N06690 threaded reducing couplings
  • Inconel 725 : ASTM B564 UNS N07725 screwed couplings
  • Incoloy 800 : ASTM B407 UNS N08800 socket weld couplings
  • Incoloy 800H : ASTM B407 UNS N08810 socket weld full couplings
  • Incoloy 800HT : ASTM B407 UNS N08811 socket weld half couplings
  • Incoloy 825 : ASTM B407 UNS N08825 socket weld reducing couplings
  • Hastelloy C22 : ASTM B366 UNS N06022 threaded couplings
  • Hastelloy C276 : ASTM B366 UNS N10276 half couplings
  • Hastelloy C2000 : ASTM B366 UNS N06200 full couplings