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Nickel Alloy Forged Pipe Fitting ASME SB564 UNS N04400 Monel 400 Thread Coupling

Categories Steel Fitting
Brand Name: YUHONG
Model Number: ASME SB564 Monel 400 Forged Coupling
Certification: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin: CHINA
MOQ: 1PC
Payment Terms: L/C, T/T
Delivery Time: 7days
Packaging Details: PLYWOOD CASE, PALLET
Product Name: Coupling
Specification: ASTM B564/ASME SB564 Monel 400
Dimension: ANSI/ASME B16.11, MSS SP 97, MSS SP 83, MSS SP 95, MSS SP 97
Size: 1/8" to 4"
Classs: 3000#,6000#,9000#
Pattern: Weldolet, socketolet, threadolet, nipolet, latrolet, elbowolet
Application: Industry, Natural Gas , Petroleum, Gas And Oil Pipes, Chemical
High Light: ASTM B564 Monel 400 Thread Coupling, Nickel Alloy Forged Pipe Fittings
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Yuhong Group Co.,Ltd
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Nickel Alloy Forged Pipe Fitting ASME SB564 UNS N04400 Monel 400 Thread Coupling

ASTM B564 Forged Pipe Fitting Monel 400 / UNS U04400 Nickel Alloy Thread Coupling


A forged thread coupling is a type of pipe fitting manufactured through the forging process, featuring internal threads (NPT) at both ends. Its primary function is to connect two pieces of externally threaded pipe of the same nominal size in a straight run, providing a pressure-tight mechanical joint without welding.

In summary, a forged thread coupling is a robust, practical solution for many piping connections where welding is not desired or practical. Its performance hinges on correct material selection, proper installation, and appropriate application within its design limitations.


Specification

TypeThread Coupling, Thread Half Coupling, Reducing Coupling
SpecificationASTM B564/ASME SB564 Monel 400
Other PatternWeldolet, socketolet, threadolet, nipolet, latrolet, elbowolet
Size1/8" - 4"
Class3000#, 6000#, 9000#
DimensionANSI/ASME B16.11, MSS SP 97, MSS SP 83, MSS SP 95, MSS SP 97
ApplicationIndustry, Natural Gas , Petroleum, Gas And Oil Pipes, Chemical

ASME SB564 Monel 400 Nickel Alloy Forged Fitings Chemical Composition

GradeCMnSiSCuFeNi
Monel 4000.30 max2.00 max0.50 max0.024 max28.00 – 34.002.50 max63.00 min

ASME SB564 Monel 400 Nickel Alloy Forged Fitings Mechanical Properties

ElementDensityMelting PointTensile StrengthYield Strength (0.2%Offset)Elongation
Monel 4008.8 g/cm31350 °C (2460 °F)Psi – 80,000 , MPa – 550Psi – 35,000 , MPa – 24040 %

Common Materials of forged fittings

  • Carbon Steel: ASTM/ASME A105 (general service)

  • Stainless Steel: ASTM/ASME A182 F304/F304L, F316/F316L (corrosion resistance)

  • Alloy Steel: ASTM/ASME A182 F11, F22 (high-temperature service)

  • Nickel Alloys: Monel 400 (SB564), Inconel 600/625, Hastelloy C276 (severe corrosion/heat)

  • Duplex/Super Duplex Stainless: A182 F51/F53/F55 (high strength & chloride resistance)


Important Selection Considerations
Material Compatibility: Coupling material must match or exceed pipe material grade and be compatible with the process fluid.
Service Conditions: Temperature, pressure, cyclic loading, corrosion potential.
Thread Sealant Choice: Must be chemically compatible and rated for service temperature/pressure.
Inspection: Ensure threads are clean, undamaged, and to gauge before installation.
Alternative: Consider Socket Weld Couplings (per same standard B16.11) for more leak-tight, permanent joints in critical service.

Applications

  1. Low/Medium Pressure Piping Systems: Where welded joints are impractical.

  2. Maintenance & Repair: Easy installation/disassembly for modification or repair.

  3. Instrumentation Lines: Small-bore tubing and gauge connections.

  4. Temporary Installations: Construction sites, test setups.

  5. Systems Prohibiting Welding: Hazardous areas or specific process requirements.

  6. Oil & Gas, Chemical, Water, HVAC: Common in utility and process piping.



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