UNS N06600|2.4816|Inconel 600 Seamless Pipe
Xinzhe, a professional Inconel 600 seamless pipe manufacturer based in Wenzhou, China, specializes in producing high-quality nickel alloy seamless pipes using advanced hot extrusion and precision cold-finishing processes. With extensive manufacturing experience and strict quality management systems, we deliver Inconel 600 seamless pipes with precise dimensions, consistent metallurgical structure, and reliable mechanical performance.
Our Inconel 600 seamless pipes are manufactured in accordance with international standards such as ASTM B167, ASTM B516, and ASME SB167, ensuring compliance with global industrial specifications. Available in a wide range of outer diameters, wall thicknesses, and custom cut-to-length options, our products are suitable for demanding sectors including oil & gas, petrochemical processing, heat treatment equipment, power generation, and marine engineering.
Each pipe undergoes comprehensive quality testing, including hydrostatic testing, ultrasonic testing, eddy current testing, PMI (Positive Material Identification), and third-party inspection upon request. Detailed documentation covering chemical composition, mechanical properties, manufacturing process, and inspection reports is provided to ensure full traceability and customer confidence.
With strong production capacity, competitive factory pricing, prompt delivery schedules, and dedicated technical support, Xinzhe has established a solid reputation as a trusted global supplier of Inconel 600 seamless pipe
What Is a Seamless Inconel 600 Pipe?
Nickel Alloy Inconel 600 (UNS N06600 / W.Nr. 2.4816) is a high-performance, corrosion-resistant material engineered for extreme environments. A Seamless Inconel 600 Pipe is manufactured through hot extrusion or cold drawing from a single, solid billet. Unlike welded pipes, it has no longitudinal weld seam, providing superior structural integrity, higher pressure ratings and enhanced reliability in critical applications.
With a minimum 72% nickel content, Inconel 600 is virtually immune to chloride-ion stress-corrosion cracking, while its chromium content provides resistance to sulfur compounds and various oxidizing environments.
Seamless Inconel 600 pipes are manufactured according to ASTM B167 / ASME SB167 (Nickel-Chromium-Iron alloys, seamless pipe and tube) and ASTM B829 (general requirements).
Key Features and Advantages
Exceptional Corrosion and Oxidation Resistance
excellent resistance to chloride-ion SCC; high nickel content makes it virtually immune, and chromium provides resistance to sulfur compounds and oxidizing environments.
High-Temperature Stability (Up to 2000°F / 1093°C)
maintains high tensile strength and creep-rupture properties at elevated temperatures, remaining stable and scaling-resistant for thermal processing.
Superior Pressure Tolerance
the seamless construction eliminates the heat-affected zone found in welded pipes, allowing significantly higher internal pressures — a critical safety factor in nuclear and chemical high-pressure systems.
Excellent Mechanical Properties
non-magnetic for specialized electronic and instrument applications, with good fabricability for machining and welding using standard industrial methods.
Product Specifications and Data
Chemical Composition
The composition of Inconel 600 is carefully balanced to achieve its superior corrosion resistance and high strength.
| Grade | Ni | Cr | Fe | Mn | C | Cu | Si | S |
|---|---|---|---|---|---|---|---|---|
| N06600 | ≥ 72.00 | 14.00–17.00 | 6.00–10.00 | ≤ 1.00 | ≤ 0.15 | ≤ 0.50 | ≤ 0.50 | ≤ 0.015 |
Typical Mechanical Properties
Inconel 600 is specifically designed to maintain its strength and shape in high-stress, high-temperature environments.
| Tensile Strength | Yield Strength | Elongation |
|---|---|---|
| ≥ 552 MPa | ≥ 241 MPa | ≥ 30% |
Typical Physical Properties
| Density | Melting Point | Thermal Expansion | Thermal Conductivity | Modulus of Elasticity | Electrical Resistivity |
|---|---|---|---|---|---|
| 8.47 g/cm³ | 1354–1413 °C | 13.0 µm/m·°C (20-100°C) | 14.9 W/m·K (20°C) | 207 GPa | 1.03 × 10⁻⁶ Ω·m (20°C) |
Size Tolerance Chart
Size tolerance of seamless nickel alloy pipe per ASTM B163(mm):
| Standard / Condition | OD (D), mm | OD Tolerance (mm) | Wall Thickness Tolerance | Length Tolerance |
|---|---|---|---|---|
| B163 (N02200, N02201, N04400) | 12.7 ≤ D | +0.13/−0 | ave, ±12.5%; min +25.0%/−0 | Cut-to-length: +3.2/−0 |
| 15.9 ≤ D ≤ 38.1 | ±0.13 | ave, ±10.0%; min +20.0%/−0 | ||
| 38.1 ≤ D ≤ 76.2 | ±0.25 | ave, ±10.0%; min +22.0%/−0 | ||
| B163 (all other grades) | 12.7 ≤ D | ±0.13 | ave, ±12.5%; min +25.0%/−0 | Cut length >9.1 m: +6.4/−0 |
| 15.9 ≤ D ≤ 38.1 | ±0.19 | ave, ±10.0%; min +20.0%/−0 | ||
| 38.1 ≤ D ≤ 76.2 | ±0.25 | ave, ±10.0%; min +22.0%/−0 |
Why Specify Seamless Over Welded?
No Risk of Weld Decay: eliminates the risk of intergranular corrosion at the weld seam.
Better Ovality: tighter dimensional tolerances for precise fittings.
Uniform Grain Structure: consistent corrosion resistance across the entire circumference of the pipe.
Common Industrial Applications
Chemical and Petrochemical
- Heater coils
- Bubble towers
- Condensers for fatty acids or magnesium chloride
Nuclear Engineering
- Steam generator tubing
- Control rod inlet components
- Reactor vessel seals
Aerospace and Defense
- Jet engine exhaust liners
- Turbine seals
- Airframe components
Heat Treating
- Muffles and retorts
- Furnace conveyor belts under repeated thermal cycling
Frequently Asked Questions About Inconel 600 Pipe
What is Inconel 600 pipe used for?
Chemical and petrochemical heater coils and condensers, nuclear steam generator tubing, aerospace exhaust components, and heat-treating muffles and retorts.
What standards apply to Inconel 600 seamless pipe?
ASTM B167 / ASME SB167 for nickel-chromium-iron seamless pipe and tube, with general requirements per ASTM B829.
Why is Inconel 600 resistant to chloride SCC?
Its minimum 72% nickel content makes it virtually immune to chloride-ion stress corrosion cracking, a common failure mode of austenitic stainless steels.
What is the maximum service temperature?
Inconel 600 remains stable and scaling-resistant up to approximately 2000°F (1093°C) in suitable environments.
Why choose seamless over welded Inconel 600 pipe?
Seamless pipe eliminates weld decay risk, offers better ovality and a uniform grain structure — delivering higher pressure capability and uniform corrosion resistance.
Ready to Request a Quotation?
Send your Inconel 600 pipe enquiry with grade, ASTM B167 and edition, OD × wall thickness, length, quantity, end finish, delivery destination and inspection documents — you will get a written quotation stating the specification and edition, delivery condition, documents included and lead time.
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