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ASME SB165 UNS N04400 Nickel Copper Alloy Seamless Pipe and Tube Monel 400 Heat Exchanger Tube
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ASME SB165 UNS N04400 Nickel Copper Alloy Seamless Pipe and Tube Monel 400 Heat Exchanger Tube

Ονομασία μάρκας: YUHONG
Αριθμός μοντέλου: Σωλήνας χωρίς ραφή ASME SB165 Monel 400 Nickel Alloy
MOQ: 1000 KGS
Πληροφορίες συσκευασίας: Ξύλινη θήκη /Σιδερένια Θήκη/ Δέσμη με πλαστικό καπάκι
Όροι πληρωμής: L/C,T/T
Πληροφορίες λεπτομέρειας
Τόπος καταγωγής:
Κίνα
Πιστοποίηση:
ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Όνομα προϊόντος:
Σωλήνας εναλλάκτη θερμότητας
Πρότυπο:
ΑΣTM Β165, ASME SB165
Υλικό:
UNS N04400, MONEL 400
OD:
1/4" , 3/8", 1/2", 5/8", 3/4", 1", 1,1/4" κ.λπ.
Πάχος:
BWG10-25
Μήκος:
Single Random, Double Random & Cut Length
Τέλος:
Απλό άκρο, λοξότμητο άκρο
Επισημαίνω:
ASTM SB165 UNS N04400 Σωλήνας από κράμα νικελίου, σωλήνας χωρίς ραφή Monel 400, σωλήνας εναλλάκτη θε
Περιγραφή προϊόντων

ASME SB165 / ASTM B165 UNS N04400 / Monel 400 Seamless Pipe Nickel Alloy Steel Heat Exchanger Tube 

 

 

ASME SB165 UNS N04400 (Monel 400) seamless tube is a high-performance material for heat exchangers requiring exceptional resistance to seawater, hydrofluoric acid, and non‑oxidizing chemicals. Its combination of strength, ductility, thermal conductivity, and resistance to chloride stress corrosion cracking makes it a preferred choice in marine, chemical, and oil & gas industries where 316L or copper alloys would fail prematurely.

 

 

Key characteristics of B165 UNS N04400/Monel 400 seamless pipe and tube

  • High strength and toughness over a wide temperature range (cryogenic to ~1000°F / 538°C)

  • Excellent resistance to many corrosive media – especially seawater, hydrofluoric acid, and reducing acids

  • Solid-solution alloy (no age hardening) – good weldability and formability

 


Chemical Composition of ASME SB165 UNS N04400/Monel 400 Seamless Pipe Nickel Alloy Steel Heat Exchanger Tube

Grade C Mn Si S Cu Fe Ni
Monel 400 0.30 max 2.00 max 0.50 max 0.24max 28.0-34.0 2.50 max 63.00 min
Balance: Nickel + Copper constitute the majority.

 

 

Mechanical and Physical properties of ASME SB165 UNS N04400/Monel 400 Seamless Pipe Nickel Alloy Steel Heat Exchanger Tube

Density Melting Point

Tensile Strength,

min, psi (MPa)

Yield Strength,

min. (0.2%offset) min psi (MPa) 

Elongation in 2in. or 50mm, min %
8.8 g/cm3

1350 °C

(2460 °F)

Annealed: 480MPa

Stress-relieved: 585MPa

Annealed: 195MPa (size under 5in.)

                170MPa (size over 5in.)

Stress-relieved: 380MPa                   

 Annealed:35%

Stress-relieved:15%

 

 

How It Works – Monel 400 Tube in a Shell & Tube Heat Exchanger

Basic function: Transfers heat between two fluids without mixing them.

  • Tube side fluid (corrosive, e.g., seawater, chemical solution) flows inside the Monel tube.

  • Shell side fluid (e.g., cooling water, steam, hydrocarbon) flows outside the tube bundle.

  • Monel 400 provides a corrosion-resistant barrier, preventing tube wall thinning, pitting, or cracking over years of service.

 

 

Application

  • Heat exchangers & condensers – Seawater cooling, chemical plants, refineries

  • Marine engineering – Shipboard coolers, offshore produced water coolers

  • Desalination plants – Brine heaters, evaporator tubes

  • Chemical processing – HF service, sulfuric acid alkylation, chlorinated solvent handling

  • Oil & gas – Sour service (with NACE limitations – H₂S requires careful evaluation)

  • Cryogenic equipment – Retains ductility down to liquid hydrogen temperatures (-253°C / -423°F)

 
 

ASME SB165 UNS N04400 Nickel Copper Alloy Seamless Pipe and Tube Monel 400 Heat Exchanger Tube 0
 
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