Inconel 686 Seamless Pipe & Tube
UNS N06686 / W.Nr. 2.4606 Seamless Pipe & Tube
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Arialloy are carefully crafted using only the finest materials. Our production team offers superior craftsmanship with over 10 years of experience working with inconel 686 seamless pipe & tube
Inconel 686 Seamless Pipe & Tube Material Properties
UNS N06686 / W.Nr. 2.4606 Seamless Pipe & Tube Overview
Explore the chemical composition, corrosion resistance, mechanical properties, and temperature characteristics of Inconel 686 seamless pipe & tube for optimal resistance, strength, and stability
Inconel 686 Seamless Pipe & Tube Chemical Composition
Inconel 686 Seamless Pipe & Tube Material Properties Overview
Inconel 686 seamless pipe & tube is manufactured without longitudinal weld seams, providing a continuous structure, consistent wall thickness, and dependable performance throughout the pipe body. Alloy 686 is a single phase austenitic nickel-chromium-molybdenum-tungsten alloy with tightly controlled iron, carbon, and silicon levels. Its high alloy content combines exceptional corrosion resistance with useful strength and fabrication capability. Arialloy seamless pipe & tube can be supplied in different outside diameters, wall thicknesses, lengths, and surface conditions to meet project specifications for pressure containing and corrosive fluid handling systems
Inconel 686 Seamless Pipe & Tube Corrosion Resistance
The corrosion resistance of Inconel 686 seamless pipe & tube is supported by its balanced nickel, chromium, molybdenum, and tungsten composition. Nickel and molybdenum provide strong resistance in reducing media, while chromium improves performance in oxidizing conditions. Molybdenum and tungsten also strengthen resistance to pitting and crevice corrosion in chloride containing solutions. The alloy performs well in sulfuric acid, hydrochloric acid, mixed acid environments, chlorinated seawater, and other aggressive process fluids. Its low carbon and iron contents help limit detrimental precipitation and preserve corrosion resistance throughout the seamless pipe structure.
Inconel 686 Seamless Pipe & Tube Mechanical Properties
Inconel 686 seamless pipe & tube combines high tensile strength with substantial ductility and impact toughness in the annealed condition. Its solid solution strengthened structure provides dependable resistance to pressure, mechanical loading, fatigue, and handling stresses without requiring precipitation hardening treatment. Cold working can further increase yield and tensile strength, although the alloy work hardens rapidly and may require intermediate annealing during extensive forming. The absence of a longitudinal weld also eliminates variations associated with weld metal and heat affected zones, supporting more uniform mechanical behavior around the pipe circumference and along its length.
Inconel 686 Seamless Pipe & Tube Temperature Characteristics
Inconel 686 seamless pipe & tube retains useful strength and structural stability across low and moderately elevated temperatures. Published tensile data show gradual strength reduction rather than abrupt loss as temperature increases to approximately 538°C. Its coefficient of thermal expansion remains controlled across the evaluated temperature range, supporting dimensional stability during heating and cooling cycles. For pressure containing construction, the referenced material bulletin lists allowable ASME design stresses for service up to 427°C and European approval up to 400°C.
Inconel 686 Seamless Pipe & Tube Data Sheet
Inconel Alloy 686 Seamless Pipe & Tube Data Sheet
Access / download the Inconel 686 seamless pipe & tube data sheet to gain in depth insights into precise physical and processing parameters
Sicherstellung der Auswahl des optimalen Nickellegierungswerkstoffs für Ihr Projekt
Physikalische Eigenschaften
| Dichte | g/cm3 | 8.73 | |
|---|---|---|---|
| lb/in.3 | 0.315 | ||
| Schmelzbereich | °F | 2440 - 2516 | |
| °C | 1338 - 1380 | ||
| Elektrischer spezifischer Widerstand | Ohm-Circ mil/ft | 744.4 | |
| μΩ·m | 1.237 | ||
| Permeabilität bei 200 Oersted | 15,9 kA/m | 1.0001 | |
Mechanische Eigenschaften
| Produktform | Dicke oder Durchmesser | Zugfestigkeit | Streckgrenze (0,21 TP18T-Offset) | Dehnung | |||
|---|---|---|---|---|---|---|---|
| in | mm | ksi | MPa | ksi | MPa | % | |
| Platte | 0.5 | 12.7 | 104.7 | 722 | 52.8 | 364 | 71 |
| Platte | 0.25 | 6.35 | 106.3 | 733 | 57.9 | 399 | 68 |
| Blatt | 0.125 | 3.18 | 116.5 | 803 | 61.1 | 421 | 59 |
| Blatt | 0.062 | 1.57 | 123 | 848 | 59.2 | 408 | 59 |
| Stange | 1.5 | 38.1 | 117.5 | 810 | 52.1 | 359 | 56 |
Formula: m = (OD – THK) × THK (mm) × L (m) × ρ (g/cm³) × π ÷ 1000
OD = Outside Diameter, THK = Wall Thickness, L = Length
ρ = Density, π = 3.1415926…
Customized Dimensions
Shop Owner
The size can be customized according to ASME B36.10 / ASME B36.19
-
Outside Diameter (OD)
3-600 mm
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Wall Thickness (THK)
0.5-30 mm
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Length (L)
0.5-12 m
Inconel 686 Seamless Pipe & Tube Standards
UNS N06686 / W.Nr. 2.4606 Seamless Pipe & Tube Specifications & Standards
Von der Fertigung bis zur Prüfung erfüllen wir strenge Qualitätsstandards und berücksichtigen dabei die Anforderungen hinsichtlich Toleranzen und chemischer Zusammensetzung.
ASTM B163
ondensor and Heat Exchanger Tube
ASTM B622
Nahtlose Rohre und Röhren
ASTM B829
Nahtlose Rohre und Röhren
DIN 17751
Geschweißtes Rohr
ASTM SB163
ondensor and Heat Exchanger Tube
ASTM SB622
Nahtlose Rohre und Röhren
ASTM SB829
Nahtlose Rohre und Röhren
Manufacturing Process
Inconel 686 Seamless Pipe & Tube Manufacturing Process
The production process for Arialloy Inconel 686 seamless pipes and tubes ensures precision, quality, and efficiency at every stage — From production to delivery, we translate your requirements into reliable manufacturing solutions.
Inconel 686 Seamless Pipe Tube SHOW
Nickel Alloy 686 Seamless Pipe Tube Showcase
From initial samples to large scale production, we supply high quality Inconel 686 seamless pipe & tube and help you achieve your manufacturing goals.



















Laden Sie Ihre Anforderungen hoch
Geben Sie zunächst Ihre Kontaktdaten sowie den Produkttyp, die Abmessungen, die Menge und die erforderlichen Normen an. Falls Sie über CAD-Zeichnungen, Spezifikationen oder besondere Toleranzanforderungen verfügen, laden Sie diese bitte hoch.
Angebot und Entwurfsprüfung anfordern
Innerhalb von 12 Stunden senden wir Ihnen ein detailliertes Angebot sowie Feedback zur (kundenspezifischen) Fertigungsfähigkeit (DFM). Dies gewährleistet die wirtschaftliche Machbarkeit Ihres individuellen Projekts und vermittelt Ihnen einen klaren Überblick über die damit verbundenen Kosten.
Bestellung bestätigen und Produktion starten
Sobald Sie das Angebot und den Entwurf genehmigt haben, wird Ihr Projekt am Morgen nach Eingang Ihrer Bestätigung in unsere Produktionswarteschlange aufgenommen.
Versand & Lieferung
Im Durchschnitt werden Sonderanfertigungen innerhalb von 20 bis 45 Werktagen versandt. Lagerware und Muster werden innerhalb von 48 Stunden versandt.
Nur 4 Schritte
Custom Inconel 686 Seamless Pipe & Tube Quotation Process
Von der ausführlichen Beratung bis zur endgültigen Lieferung sorgen wir dafür, dass custom Inconel 686 seamless pipe & tube Bestellungen einfach und bequem. Mit unserem hervorragenden Kundenservice nehmen wir Ihre Bedürfnisse vorweg, bieten professionelle Lösungen und gewährleisten eine pünktliche Lieferung.
Surface to be Customized
Our Team
Each finish is carefully controlled to provide a clean, uniform surface while maintaining dimensional accuracy and product quality
Pickled Surface
Polished Surface
Sandblasted Surface
Package to be Customized
Our Team
We ensure inconel 686 seamless pipe & tube is protected against end deformation, surface damage, moisture, and contamination during transit and storage.
Ensures seamless transition from dispatch to receipt without compromise.
Plastic Bag
Wooden Case
Sandblasted Surface
Inconel 686 Seamless Pipe & Tube FAQs
Unser Expertenteam steht Ihnen bei jedem Schritt zur Seite und hilft Ihnen dabei, Ihre Vision in die Realität umzusetzen. Lesen Sie die FAQs, um weitere Unterstützung zu erhalten.
Standard lengths are 1 m and 6 m. Lengths of 12 m and 24 m can also be produced on request. We can cut the tubes to the required length by laser, plasma, or waterjet cutting; cutting and material loss may add cost.
Yes. Nickel alloy seamless pipe and tube can be supplied with a polished surface. Enhanced polishing options include 240- and 320-grit finishes. Pickled finish remains the normal default.
Yes. We supply matching nickel alloy elbows, flanges, reducers, and other pipe fittings. Further specifications are available on the corresponding product pages.
The default package for nickel alloy seamless pipe and tube uses thick woven plastic bags. A wooden case can be supplied when stronger or customized packaging is required.
Samples of common nickel alloy seamless pipe and tube grades and sizes can be provided when suitable material is available. Small evaluation samples are normally free, while the buyer pays freight; large, nonstandard, or specially processed samples are quoted separately.
The estimated standard MOQ for nickel alloy seamless pipe and tube is 100 kg per size. The final minimum can vary with alloy grade, dimensions, manufacturing route, and material availability.
The estimated production lead time for nickel alloy seamless pipe and tube is about 45 days. Special grades, nonstandard dimensions, large quantities, or added testing can extend the schedule.
Inspection of nickel alloy seamless pipe and tube covers material identity, dimensions, wall thickness, straightness, surface, and the nondestructive or pressure-test scope stated in the order. Only material that meets the approved specification and required inspection results is released for shipment.










