Production Range of Threaded Half Coupling

Product Threaded Half Coupling
Connection Male / Female (NPT, BSP, BSPT)
Size 1/8″ NPS TO 4″ NPS
Pressure Rating 3000LB, 6000LB (SCH80/XS,SCH160)
Process method Forged, CNC Machined
Standards: ASME/ANSI B16.11
Certification EN 10204 3.1
  • Forged pipe fittings are available in both socket weld and threaded ends.

Threaded Half Coupling Dimensions – ASME B16.11

Threaded Coupling Drawing

Threaded Half Coupling Drawing

DN Nom. Center to End Center to End Outside End Wall Length Of
Pipe Coupling Cap Diameter Thickness Thread
Size W P D G Min. Min.(1)
  3000&6000 3000 6000 3000 6000 3000 6000 B L2
6 1/8″ 32 19 16 4.8 6.4 6.7
8 1/4″ 35 25 27 19 25 4.8 6.4 8.1 10.2
10 3/8″ 38 25 27 22 32 4.8 6.4 9.1 10.4
15 1/2″ 48 32 33 28 38 6.4 7.9 10.9 13.6
20 3/4″ 51 37 38 35 44 6.4 7.9 12.7 13.9
25 1″ 60 41 43 44 57 9.7 11.2 14.7 17.3
32 1-1/4″ 67 44 46 57 64 9.7 11.2 17 18
40 1-1/2″ 79 44 48 64 76 11.2 12.7 17.8 18.4
50 2″ 86 48 51 76 92 12.7 15.7 19 19.2
65 2-1/2″ 92 60 64 92 108 15.7 19 23.6 28.9
80 3″ 108 65 68 108 127 19 22.4 25.9 30.5
100 4″ 121 68 75 140 159 22.4 28.4 27.7 33
  • Dimensions in Millimeters.
  • Dimension B is minimum length of perfect thread. The length of useful thread(B plus threads with fully formed roots and flat crests)shall not be less than L2(effective length of external thread) required by American National Standard for Pipe Threads ANSI/ASME B1.20.1)

Threaded Half Coupling Manufacturers, Suppliers, Stockist – ANSI B16.11, ASTM A105, ASTM A182 F304, F316, F304L, F316L, and A182 F5, F9, F11, F22, F91

  • Size: from 1/4″ to 4″ (6mm-100mm), Pressure: 2000LBS, 3000LBS, 6000LBS, 9000LBS
  • Dimensions of Threaded Half Coupling as per ASME B16.11

Metallica is a well known manufacturer and supplier of threaded half coupling for the clients from oil and gas, petrochemicals, railway, construction and other industries. We manufacture different size of threaded half coupling by closed die forging. Our main products include various types of threaded pipe fittings in size range of 1/4″ to 4″ (6mm-100mm), with pressure rating of 2000LBS, 3000LBS, 6000LBS, and 9000LBS. The most common and materials include ASTM A105, ASTM A182 F304, F316, F304L, F316L, and A182 F5/F9/F11/F22/F91. In nickel alloys we manufacture threaded pipe fittings in various grades such as Alloy 200, 201, 400, K500, 600, 625, 800H/HT, 825, X-750, C276, Hastelloy B & C22.

Forged Socket Weld & Threaded Pipe Fittings Manufacturing Standards

  • ASTM A182 – ASME SA182 – Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings
  • ASME B16.9 – Factory-Made Wrought Buttwelding Fittings
  • ASME B16.11 – Socket Welding and Threaded Forged Fittings
  • MSS SP-43 – Wrought and Fabricated Butt-Welding Fittings for Low Pressure, Corrosion Resistant Applications
  • MSS SP-95 – Swage(d) Nipples and Bull Plugs
  • BS3799 – Specification for Steel pipe fittings, screwed and Socket-welding for the petroleum industry

Threaded pipe fittings are generally used for small size pipes and piping systems (generally below 4 inches in diameter for Class 3000, and below 2 inches for fittings in class 6000 and 9000). Threaded pipe fittings are manufactured by forging, followed by heat treatment and machining solid steel as per ASME B16.11 and other dimensional standards. For bigger size piping systems buttweld pipe fittings produced as per ASME B16.9 are used.

Threaded Half Coupling Materials & Grades

  • Carbon Steel: ASTM/ASME A/SA 105, ASTM/ASME A 350 LF2, LF3
  • Alloy Steel: ASTM/ASME A/SA 182 F1, F5, F9, F11, F12, F22, F91
  • Stainless Steel: ASTM A 182 F304, F304L, F304H, F316, F316L, F316Ti, F310, F321, F321H, F317, F347, F347H, F904L
  • Duplex & Super Duplex Steel: ASTM A182 F44, F45, F51, F53, F55, F60
  • Copper Nickel Alloys: UNS C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS C10100, 10200, 10300, 10800, 12000, 12200
  • Nickel Alloys: ASTM SB564, SB160, SB472, SB162 Nickel 200 (UNS N02200), Nickel 201 (UNS N02201), Monel 400 (UNS N04400), Monel 500 (UNS N05500), Inconel 800 (UNS N08800), Inconel 825 (UNS N08825), Inconel 600 (UNS N06600), Inconel 625 (UNS N06625), Inconel 601 (UNS N06601), Hastelloy C 276 (UNS N10276), Alloy 20 (UNS N08020)