Seamless Inconel 601 tube
Seamless Inconel 601 tube is a nickel-chromium-iron based superalloy seamless tube. It is made by advanced hot extrusion or cold rolling processes. This tube is an austenitic nickel-based superalloy. Its chemical composition is optimized. It contains about 58-63% nickel (Ni), 21-25% chromium (Cr), 1.0-1.7% aluminum (Al), and small amounts of iron (Fe), manganese (Mn), silicon (Si), and other elements. The unique alloy composition makes Seamless Inconel 601 tube very stable in high-temperature, corrosive, and oxidizing environments. It is an ideal material for high-end industrial applications.
The production of Seamless Inconel 601 tube is strictly controlled. There are no pores, inclusions, or welding defects inside the tube. This ensures its safety and reliability in high-pressure and high-temperature conditions. Seamless Inconel 601 tube is available in many sizes. It has different outside diameters (OD), wall thicknesses (WT), and lengths. It can also be customized for customers. For example, it can be cold drawn, polished, or heat treated to meet the special needs of different industries.
Features of Seamless Inconel 601 tube
Excellent high-temperature oxidation resistance:
The high chromium (Cr) and aluminum (Al) content in Seamless Inconel 601 tube can form a dense oxide layer (Cr₂O₃ and Al₂O₃) in high-temperature environments (up to 1200°C). This layer effectively stops further oxidation and corrosion. Even under extreme thermal cycling conditions, Seamless Inconel 601 tube still has excellent resistance to spalling and structural stability. It is suitable for long-term high-temperature operations.
Excellent corrosion resistance:
Oxidation resistance: Seamless Inconel 601 tube is suitable for high-temperature environments with oxygen, water vapor, or carbon dioxide, such as heat treatment furnaces and combustion chambers.
Sulfidation resistance: Seamless Inconel 601 tube can maintain good corrosion resistance in environments with sulfur-containing gases (such as H₂S, SO₂). It is suitable for petrochemical cracking units.
Acid and alkali corrosion resistance: Seamless Inconel 601 tube has good corrosion resistance to media like nitric acid and phosphoric acid. However, it should avoid strong reducing acids (such as hydrochloric acid).
Outstanding mechanical properties:
The tensile strength of Seamless Inconel 601 tube can reach ≥550 MPa at room temperature, and the yield strength is ≥240 MPa. It is suitable for high-pressure piping systems.
The elongation of Seamless Inconel 601 tube is ≥30%, which is convenient for cold working (such as bending and flaring).
Seamless Inconel 601 tube can still maintain high creep resistance at high temperatures. It is suitable for long-term high-temperature pressure-bearing components.
Advantages of seamless structure:
Compared with welded pipes, Seamless Inconel 601 tube has no weld seam weaknesses. It avoids intergranular corrosion or stress cracking that may occur in the heat-affected zone (HAZ). It is particularly suitable for high-pressure, high-stress, or high-purity medium transportation scenarios.
Applications of Seamless Inconel 601 tube
Industrial heating and heat treatment equipment:
Radiant tubes, burner nozzles: Seamless Inconel 601 tube is used in high-temperature heat treatment equipment such as continuous annealing furnaces and carburizing furnaces.
Heat exchanger tubes: Seamless Inconel 601 tube runs stably in high-temperature gas or molten salt heat exchange systems for a long time.
Petroleum, chemical, and energy industries:
Petrochemical cracking furnace tubes: Seamless Inconel 601 tube can resist coking and corrosion during high-temperature cracking processes.
Nuclear power systems: Used in steam generator heat transfer tubes and nuclear waste treatment equipment.
Applications of Seamless Inconel 601 tube in gas turbine components: Such as combustion chamber liners and exhaust ducts, which withstand high-temperature gas erosion.
Environmental protection and exhaust gas treatment:
Waste incinerators: Seamless Inconel 601 tube can endure the acidic gases (HCl, SOx) and high-temperature corrosion produced by incineration.
Flue gas desulfurization (FGD) systems: Seamless Inconel 601 tube is used in spray pipes and flue liners of wet desulfurization units.
Aerospace and high-end manufacturing:
Seamless Inconel 601 tube is used to make aircraft engine components: Such as tailpipes and afterburners, which need to meet high-temperature oxidation resistance requirements.
In rocket propulsion systems: Seamless Inconel 601 tube is used in fuel transfer pipes to ensure sealing under extreme temperatures.
|
Parameter |
Typical Range |
Applicable Standards |
Remarks |
|
Outer Diameter (OD) |
6 mm ~ 250 mm |
ASTM B167, ASTM B163, DIN 17750 |
Custom sizes available |
|
Wall Thickness (WT) |
0.5 mm ~ 20 mm |
ASTM B167, EN 10216-5 |
Heavy-wall for high-pressure |
|
Length |
3 m ~ 12 m (fixed or random) |
ASTM B751 |
U-bent or coiled tubes possible |
|
Surface Finish |
Pickled, Bright Annealed (BA), Cold-Drawn |
ASTM B829 |
BA finish for high-purity applications |
|
Tolerance |
±5% WT, ±0.1 mm OD (high precision available) |
ASTM B516 |
Meets ASME or custom requirements |
|
Pressure Rating |
SCH 5S ~ SCH 80S |
ASME B36.19M |
Special certification for high-pressure use |
|
Temperature Range |
-200°C ~ +1200°C (long-term) |
NACE MR0175 |
Short-term exposure up to 1250°C |
|
Connection Type |
Welded, Flanged, Threaded (special treatment required) |
ANSI B16.5 / B16.9 |
Welding recommended for high-temp service |
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 Inconel 601 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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