ASME B16.11 Half Coupling

SpecificationDetails
StandardASME B16.11
TypeHalf Coupling
Material Grades- Carbon Steel (e.g., ASTM A105, ASTM A350 LF2)
- Stainless Steel (e.g., ASTM A182 F304/F316)
- Alloy Steel (e.g., ASTM A182 F11/F22)
Size Range1/8 inch to 4 inches (Nominal Pipe Size - NPS)
Pressure Ratings2000#, 3000#, 6000#, 9000# (Class)
End Connections- One side threaded
- Opposite side plain or beveled for welding
DimensionsASME B16.11
Material CompositionVaries depending on the material grade
Heat TreatmentNormalizing, Quenching, Tempering (as required)
Category:

Description

Product Description ASME B16.11 Half Coupling

ASME B16.11 Half Coupling is a versatile forged fitting widely used in piping systems to connect a pipe to another component. It features a threaded or socket-weld connection on one end, while the other end is typically left plain for welding or other connections. These fittings are highly durable and are designed to handle high-pressure applications.

Socket Weld Half Coupling Dimensions

Socket Weld Half Coupling Manufacturers- ASME B16.11 Drawing

NOMINAL PIPE SIZEOUTER DIAMETERSOCKET BORE DIAMETERBORE DIAMETER OF FITTINGSBORE DIAMETER OF FITTINGSBORE DIAMETER OF FITTINGSWALL THICKNESSWALL THICKNESSWALL THICKNESSWALL THICKNESSWALL THICKNESSWALL THICKNESSFULL COUPLINGFULL COUPLINGHALF COUPLINGHALF COUPLING
# 3000# 3000# 6000# 6000# 9000# 9000
Inch.ABC – 3000C – 6000C – 9000DDDDDDL1L2L1L2
MaximumMaximumMaximumMaximumAverageMinimumAverageMinimumAverageMinimum
MinimumMinimumMinimumMinimum
1/8 B+D11.27.64.83.183.183.963.439.56.59.516
10.86.13.2
1/4 B+D14.6107.13.783.34.64.019.56.59.516
14.28.55.6
3/8 B+D1813.39.94.013.55.034.379.56.59.517.5
17.611.88.4
1/2 B+D22.216.612.57.24.674.095.975.189.358.189.59.59.522.5
21.815115.6
3/4 B+D27.621.716.311.84.94.276.966.049.788.5612.59.512.524
27.220.214.810.3
1B+D34.327.421.5165.694.987.926.9311.389.9612.512.512.528.5
33.925.919.914.4
1 1/4B+D43.135.830.223.56.075.287.926.9312.1410.6212.512.512.530
42.734.328.722
1 1/2B+D49.241.634.728.76.355.548.927.812.711.1212.512.512.532
48.840.133.227.2
2B+D61.753.343.638.96.936.0410.929.513.8412.1216191641
61.251.742.137.4
2 1/2B+D74.464.28.767.6716191643
73.961.2
3B+D90.379.49.528.316191644.5
89.876.4
4B+D103.8103.810.699.3516191648
100.7100.7

Specifications:

  • Standard: ASME B16.11
  • Type: Half Coupling (Threaded / Socket Weld)
  • Size Range:
    • Threaded: 1/8″ to 4″
    • Socket Weld: 1/8″ to 4″
  • Pressure Rating:
    • 2000#, 3000#, 6000#, 9000#
  • Connection Type:
    • Threaded (NPT/BSP)
    • Socket Weld

ASME B16.11 Half Coupling Pressure Rating’

Material Class 3000 Class 6000 Class 9000
Carbon Steel (A105) 1980 psi 2975 psi 4465 psi
Stainless Steel 1980 psi 2975 psi 4465 psi
Alloy Steel 2000 psi 3000 psi 4500 psi

Materials:

  • Carbon Steel: ASTM A105, ASTM A350 LF2
  • Stainless Steel: ASTM A182 F304, F304L, F316, F316L
  • Alloy Steel: ASTM A182 F5, F9, F11, F22, F91
  • Nickel Alloys: Inconel, Hastelloy, Monel
  • Duplex & Super Duplex Steel: ASTM A182 F51, F53, F55
  • Copper Alloys: Brass, Bronze

Key Features:

  1. High strength and durability.
  2. Leak-proof connections for high-pressure systems.
  3. Corrosion resistance depending on material choice.
  4. Easy installation and maintenance.
  5. Suitable for small-diameter piping systems.

Surface Treatment:

  • Black Coated
  • Galvanized
  • Anti-Rust Oil Coating

Applications:

  • Oil and Gas Industries
  • Chemical and Petrochemical Processing
  • Power Generation Plants
  • Water Treatment Plants
  • Shipbuilding and Marine Applications
  • General Piping Systems

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