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ASME SB165 UNS N04400 Monel 400 Nickel Alloy Pipe 66Ni/34Cu Seamless Pipe
ASME SB165 UNS N04400 Monel 400 Nickel Alloy Pipe 66Ni/34Cu Seamless Pipe
ASME SB165 UNS N04400 Monel 400 Nickel Alloy Pipe 66Ni/34Cu Seamless Pipe
ASME SB165 UNS N04400 Monel 400 Nickel Alloy Pipe 66Ni/34Cu Seamless Pipe
ASME SB165 UNS N04400 Monel 400 Nickel Alloy Pipe 66Ni/34Cu Seamless Pipe
ASME SB165 UNS N04400 Monel 400 Nickel Alloy Pipe 66Ni/34Cu Seamless Pipe
ASME SB165 UNS N04400 Monel 400 Nickel Alloy Pipe 66Ni/34Cu Seamless Pipe
ASME SB165 UNS N04400 Monel 400 Nickel Alloy Pipe 66Ni/34Cu Seamless Pipe
Specifications
Brand Name :
YUHONG
Model Number :
ASTM B729 Alloy 20 Seamless Nickel Alloy Pipe
Certification :
ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin :
CHINA
MOQ :
500KGS
Payment Terms :
L/C,T/T
Delivery Time :
7 DAYS
Packaging Details :
Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Product Name :
Nickel Alloy Pipe
Standard :
ASTM B165, ASME SB165
Material :
Monel 400, UNS N04400
End :
Plain Ends , Beveled Ends
Technique :
Cold Drawn
Type :
Seamless
Application :
Oil &Gas Industries, Chemical Industries, Shipbuilding, Marine Engineering
High Light :
ASME SB165 UNS N04400 Nickel Alloy Pipe, Monel 400 Seamless Pipe
Description

ASME SB165 UNS N04400 / Monel 400 Nickel Alloy Seamless Pipe

ASME SB165 Monel 400 Nickel Alloy Pipe are its superior corrosion resistance in demanding environments (especially seawater and hydrofluoric acid), its immunity to chloride stress corrosion cracking, and its high strength over a wide temperature range.
While its initial cost is higher than stainless or carbon steel, its long service life, reduced maintenance, and reliability in critical applications make it a cost-effective solution where failure is not an option.

ASME SB165 UNS N04400 Nickel Alloy Seamless Pipe Equivalent Grade

STANDARDWERKSTOFF NR.UNSJISBSGOSTAFNOREN
Monel 4002.4360N04400NW 4400NA 13МНЖМц 28-2,5-1,5NU-30MNiCu30Fe


ASME SB165 UNS N04400 Nickel Alloy Seamless Pipe Mechanical Properties

Element

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



ASME SB165 UNS N04400 Nickel Alloy Seamless Pipe Chemical Composition (%)

NiCMnSiFeCuS
63.0 min0.3 max2.0 max0.5 max2.5 max28.0-34.00.024 max

Comparison Table: Monel 400 vs. Common Alternatives

Feature

ASME SB165
Monel 400

Austenitic Stainless Steel
(e.g., 304, 316L)

Carbon Steel
Primary Corrosion Resistance

Excellent in seawater,

HF acid, alkalis

Good in oxidizing environments;

poor in chlorides

Poor; rusts easily
Chloride Stress Corrosion CrackingVirtually ImmuneHighly SusceptibleNot Applicable
StrengthHighModerateModerate to High
Toughness at Cryogenic TempExcellentExcellentPoor
CostHigh (Premium Material)ModerateLow
Thermal ConductivityGoodPoor



This is the main reason for choosing Monel 400 over stainless steels or carbon steels.

  • Excellent in Seawater and Marine Environments: It has outstanding resistance to saltwater and seawater-induced corrosion, including pitting and crevice corrosion.

  • Resistance to Acid and Alkaline Solutions: It performs well in a wide range of conditions, particularly against:

    • Hydrofluoric Acid: Monel 400 is one of the few metals that can handle hydrofluoric acid, especially in the absence of air.

    • Sulfuric and Hydrochloric Acids: It offers good resistance, especially under reducing conditions.

    • Alkalis: It is highly resistant to alkaline solutions, including strong caustic soda (sodium hydroxide).

  • Neutral Salt Solutions: It resists corrosion from most neutral salts.


Application

  1. Oil & Gas: Downhole instrumentation, wellhead components, production tubing, process piping in sour gas service.

  2. Marine Engineering: Seawater piping systems, pump shafts, valve trim, fasteners, heat exchangers.

  3. Chemical Processing: Process vessels, piping, and pumps handling acids, alkalis, and salts, especially hydrofluoric acid.

  4. Power Generation: Feedwater heaters, condenser tubes in fossil and nuclear power plants.

  5. Desalination Plants: Heat rejection and recovery sections, brine heaters.

  6. Shipbuilding (e.g., propeller shafts, pump shafts, seawater piping)



ASME SB165 UNS N04400 Monel 400 Nickel Alloy Pipe 66Ni/34Cu Seamless Pipe

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ASME SB165 UNS N04400 Monel 400 Nickel Alloy Pipe 66Ni/34Cu Seamless Pipe

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Product Detail
Brand Name :
YUHONG
Model Number :
ASTM B729 Alloy 20 Seamless Nickel Alloy Pipe
Certification :
ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Place of Origin :
CHINA
MOQ :
500KGS
Payment Terms :
L/C,T/T
Contact Supplier
ASME SB165 UNS N04400 Monel 400 Nickel Alloy Pipe 66Ni/34Cu Seamless Pipe
ASME SB165 UNS N04400 Monel 400 Nickel Alloy Pipe 66Ni/34Cu Seamless Pipe
ASME SB165 UNS N04400 Monel 400 Nickel Alloy Pipe 66Ni/34Cu Seamless Pipe
ASME SB165 UNS N04400 Monel 400 Nickel Alloy Pipe 66Ni/34Cu Seamless Pipe

Yuhong Group Co.,Ltd

Verified Supplier
13 Years
zhejiang, ningbo
Since 2007
Business Type :
Manufacturer, Distributor/Wholesaler, Importer, Exporter, Trading Company, Seller, Other
Main Products :
Stainless Steel Seamless Pipe, Stainless Steel Seamless Tube, Duplex Stainless Steel Pipe
Total Annual :
50M-70M
Employee Number :
50~850
Certification Level :
Verified Supplier
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