Seamless N06625 Inconel 625 tube
Seamless N06625 Inconel 625 tube is a seamless tube made of nickel - based superalloy Inconel 625 (UNS N06625). It is mainly composed of nickel (≥58%). It also has chromium (20 - 23%), molybdenum (8 - 10%) and niobium (3.15 - 4.15%). It is formed by cold - rolling or hot - extrusion process. It has excellent corrosion resistance, high strength and good weldability. The seamless design makes it more reliable and safer in high - pressure, high - temperature or harsh - medium environments.
Features of Seamless N06625 Inconel 625 tube
Excellent corrosion resistance: Seamless N06625 Inconel 625 tube can resist chloride stress corrosion, pitting, crevice corrosion and the erosion of oxidizing acids. It performs well in environments with chloride ions and acidic gases.
Stable high - temperature performance: Seamless N06625 Inconel 625 tube keeps mechanical strength at extreme temperatures (- 200°C to + 1000°C). It has excellent oxidation resistance and is suitable for conditions with frequent thermal cycling.
High mechanical strength: Seamless N06625 Inconel 625 tube is strengthened by solid - solution strengthening and niobium precipitation hardening. Its tensile strength can reach ≥690 MPa and yield strength ≥275 MPa (ASTM B444 standard).
Easy to process and weld: Although Seamless N06625 Inconel 625 tube is hard, it can be made more formable by annealing. It supports common welding methods like TIG and MIG. No heat treatment is needed after welding.
Applications of Seamless N06625 Inconel 625 tube
In energy and chemical fields: Seamless N06625 Inconel 625 tube is used for subsea oil and gas pipelines, acid gas treatment equipment, heat exchangers and reactors. It can endure the corrosion of H₂S and CO₂.
In aerospace field: Seamless N06625 Inconel 625 tube is used to make engine exhaust systems and fuel lines.
In marine engineering: Seamless N06625 Inconel 625 tube is used to make parts of seawater desalination devices and ship propulsion systems. It can resist long - term erosion by saltwater.
In nuclear industry: Seamless N06625 Inconel 625 tube is used to make nuclear fuel rod assemblies and waste treatment equipment. It relies on the radiation stability and corrosion resistance of Seamless N06625 Inconel 625 tube.
|
Parameter |
Typical Range |
Standard |
Notes |
|
Outside Diameter (OD) |
6 mm – 250 mm (custom sizes available) |
ASTM B444 / B829 |
Common sizes: 12.7mm, 25.4mm, 50.8mm |
|
Wall Thickness (WT) |
1 mm – 20 mm |
ASTM B444 / B829 |
Thin-wall (<3mm) requires special processes |
|
Length |
3 m – 12 m (standard), custom lengths |
- |
Typically 6m or random lengths |
|
Tolerances |
OD: ±1% or ±0.1mm (whichever is stricter) |
ASTM B444 |
Tighter tolerances negotiable |
|
WT: ±10% (standard), ±5% (precision) |
|||
|
Surface Finish |
Annealed/Pickled, Polished (Ra≤0.8μm), Sandblasted |
ASTM B829 |
Choice depends on corrosion/flow needs |
|
Manufacturing Process |
Hot extrusion (thick-wall), Cold rolling (thin-wall, high precision) |
- |
Cold-drawn tubes offer smoother surfaces |
|
Pressure Rating |
SCH 40/80/160 (varies by dimensions) |
ASME B36.19M |
Designed per ASME standards |
FAQ
Are you a factory or manufacturer?
A: Yes, we are a factory but we generally use our trading company to handle the business abroad. It will be more convenient to receive the remittance and arrange the shipment.
What is the delivery method?
A: Generally, we send cargo by UPS, DHL or FedEx. Also, we can send by sea to seaport or by air to the closest airport.
Why is your product so cost-effective?
A: We cut out the middlemen in the end-to-end manufacturing process and we obtain raw material directly from its source.
Do you do spot quality inspection or full inspection?
A: 100% full inspection for sure. All unqualified products are discarded.
How do you ensure your lead time?
A: From material preparation to machining and finally to a full inspection. Every stage of production is strictly monitored and controlled to give you an accurate delivery time.
What is the MOQ of Seamless N06625 Inconel 625 Tube?
A: Depends on quantity, generally, no MOQ limit.
How to pay for it?
A: A bank transfer (T/T) will be acceptable.
What is the delivery time?
A: around 7-20 days which depends on the quantity and production.
What is kind of the package?
A: Generally, we use a carton case or plywood case with protective material inside to ensure the save of cargo
What is the lead time?
A: from order placed to cargo receiving will take around 10-25 days.
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