Inconel Alloy 601 Tube
Seamless and Welded Tubing: Available in a variety of sizes, including seamless tubing conforming to ASTM B167 and welded tubing conforming to ASTM B517.
Custom Tubing: Tubing can be manufactured to order in specific sizes and tight tolerances, including capillary tubing.
Other Forms: Inconel 601 is also available in bar, plate, sheet, fittings, and flanges.
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
- Send E-mail: ss@gneesteel.com
- Tel: +8615824687445
Why Choose Our Inconel 601 Piping
Selecting the right supplier is just as important as selecting the right material. For high-temperature industrial projects, consistent product quality, reliable technical documentation, and on-time delivery are critical to equipment performance and project success.
Our Inconel 601 piping is manufactured in strict accordance with international standards, meeting the rigorous requirements of industrial furnace manufacturers, petrochemical plants, power stations, aerospace suppliers, and engineering contractors.
Our Advantages
✓ Factory-direct pricing with a stable supply of raw materials
✓ Comprehensive product range, including seamless pipes, welded pipes, U-tubes, coiled tubing, and custom-fabricated piping
✓ Full compliance with ASTM, ASME, AMS, DIN, and EN standards, as well as customer-specific technical specifications
✓ Comprehensive testing capabilities, including PMI (Positive Material Identification), ultrasonic testing, eddy current testing, hydrostatic testing, dimensional inspection, and chemical analysis
✓ Material certificates provided in accordance with EN 10204 3.1 and 3.2
✓ Support for third-party inspections by internationally recognized bodies such as SGS, BV, DNV, TÜV, and Lloyd's Register
✓ Rapid global logistics and delivery, utilizing export-standard, seaworthy packaging
✓ Professional technical support for alloy selection, engineering consultation, and project procurement
Whether your project requires standard stock piping or fully customized mill production, our experienced export team can provide reliable solutions tailored to your specific operating conditions and engineering specifications.
Contact us for the latest 2026 export prices for Inconel 625
Inconel Alloy 601 Tube description
GNEE Inconel Alloy 601 Tube
Inconel 601 is a nickel-chromium-aluminum alloy with a typical composition of 58.0–63.0% nickel, 21.0–25.0% chromium, and 1.0–1.7% aluminum, with the balance being iron. Its most notable characteristic is its resistance to spalling and oxidation at temperatures up to 1250°C (2282°F), achieved through the formation of a tightly adherent protective oxide layer; simultaneously, it maintains good strength, ductility, and creep-rupture properties at high temperatures, while exhibiting high resistance to stress-corrosion cracking, oxidizing salts, and acidic or sulfur-bearing gases. Tubing is typically manufactured and specified in accordance with ASTM B167 (seamless) or ASTM B163 standards.
Global Equivalent Grades for Inconel 601 Tubing
| Standard / Region | Grade Designation |
|---|---|
| US UNS Number | UNS N06601 |
| German / European Standard | W.Nr 2.4851 |
| Chinese Equivalent Grade | GH3601 |
| International Nominal Composition | NiCr23FeAl |
Applicable Standards for Inconel 601 Tubing
| Standard / Certification | Scope / Application |
|---|---|
| General Seamless Tube Standard | ASTM B167 / ASME SB167 (General standard for high‑temperature piping and furnace tubes) |
| Heat Exchanger & Condenser Tube Standard | ASTM B163 / ASME SB163 (Special standard for industrial circulation heat exchange and high‑temperature condenser piping) |
| Precision Tube Supplementary Standard | ASTM B829 (Dimensional and process specification for high‑pressure precision seamless tubes) |
| Foreign Trade Certification Standards | EN10204 3.1 / 3.2, ISO9001 Quality System Certification |
Inconel Alloy 601 Tube Specification
| Parameter | Specification |
|---|---|
| Grade | Inconel 601 (UNS N06601 / WNR 2.4851) |
| Standards | ASTM B163, B516 / ASME SB163, SB516 |
| Outer Diameter | 6 mm to 50.8 mm |
| Wall Thickness | 0.7 mm to 3 mm |
| Length Options | Single Random, Double Random, or Cut-to-Length as per project need |
| Schedules Available | SCH20, SCH40, SCH80, SCH160, XXS, and custom schedules on request |
| Tube Forms | Seamless, Welded, ERW, LSAW, Fabricated |
| Available Shapes | Round, Square, Rectangular, Hydraulic |
| Manufacturing Methods | Cold Drawn, Hot Finished, Annealed |
| End Finishes | Plain End, Beveled End, Threaded |
| Surface Options | Bright Annealed, Pickled, Polished |
Inconel Alloy 601 Tube Specification
Chemical Composition of Inconel 601 Tubes
| Element | Content (%) | Function |
|---|---|---|
| Nickel (Ni) | 58.0 – 63.0 | Provides high‑temperature structural stability and excellent corrosion resistance |
| Chromium (Cr) | 21.0 – 25.0 | Improves oxidation resistance and protects against high‑temperature corrosion |
| Aluminum (Al) | 1.0 – 1.7 | Forms a dense oxide layer that significantly improves oxidation resistance |
| Iron (Fe) | Balance | Enhances processability while maintaining mechanical properties |
| Carbon (C) | ≤ 0.10 | Controls carbide formation and grain boundary stability |
| Manganese (Mn) | ≤ 1.0 | Improves hot working characteristics |
| Silicon (Si) | ≤ 0.50 | Enhances oxidation resistance during manufacturing |
Mechanical & Physical Properties Of Inconel 601 Tubes
| Test Condition | Tensile Strength | Yield Strength (0.2%) | Elongation | Characteristic Advantage |
|---|---|---|---|---|
| Room Temperature | ≥ 620 MPa | ≥ 275 MPa | ≥ 35% | Excellent ductility; suitable for thermal piping forming such as coiling and bending |
| 600°C High Temperature | ≥ 550 MPa | ≥ 240 MPa | ≥ 32% | Very low degradation of high‑temperature strength; strong structural stability |
| Thermal Cycle Test | Performance fluctuation ≤ 2% | Stable without relaxation | No crack failure | Resistant to 1000+ cold‑hot cycles |
Inconel 601 Seamless Pipe: Export Specifications and Manufacturing Processes
Based on global export data for heat treatment furnaces and high-temperature heat exchange equipment, Gnee Alloy offers Inconel 601 seamless pipes manufactured via a cold-rolling process. These pipes are free of weld seams and internal stresses, making them ideal for the precision assembly of high-end thermal equipment.
| Parameter | Specification |
|---|---|
| Main Export Outer Diameters | 3 mm – 114 mm, covering full specifications from small precision furnace tubes to large industrial heat exchange piping |
| Wall Thickness & Tolerance | 0.5 mm – 30 mm; standard SCH5 / SCH10 / SCH40 wall thicknesses; precision tolerance ±0.03 mm |
| Export Process Condition | Solution annealing + internal/external surface finishing + pickling & passivation + stress relief treatment; smooth inner walls free of oxide scale, eliminating high‑temperature scaling and blockage |
| NDT Standards | 100% Eddy Current Testing (ET) + 100% Ultrasonic Testing (UT); dedicated micro‑crack inspection for thermal piping; zero‑defect release |
| Custom Delivery Options | Standard 6 m fixed lengths; supports 12 m ultra‑long seamless fixed lengths, coil tubing customization, and zero‑cut machining; adaptable to various furnace piping layouts |
Contact us to customize Inconel 601 products to your project's dimensions
High-Temperature Properties of Inconel 601 Piping
Inconel 601 is specifically developed for long-term operation under severe thermal conditions.
| Operating Temperature | Typical Performance |
|---|---|
| Up to 600°C | Excellent mechanical stability |
| 600 – 900°C | Outstanding oxidation resistance |
| 900 – 1100°C | Ideal for continuous furnace applications |
| Up to 1200°C | Excellent oxidation resistance under intermittent service |
This alloy performs exceptionally well during repeated heating and cooling cycles, making it suitable for furnace equipment subject to frequent thermal fluctuations.
Specific Application Scenarios for Inconel 601 Seamless Pipe
While Inconel 601 piping is not suited for conditions involving severe corrosion or high-pressure containment, it is a critical material for the following high-end applications-specifically targeting the niche sectors of global high-temperature thermal cycling and thermal fluctuation equipment:
| Industry / Application Area | Specific Systems / Components |
|---|---|
| Industrial Heat Treatment Furnace Equipment | Continuous carburizing furnaces, nitriding furnaces, annealing furnace high‑temperature tubes, furnace internal circulation heat exchange piping |
| High‑Temperature Thermal Cycle Systems | Intermittent heat exchange equipment, cold‑hot cycle energy recovery piping, high‑temperature flue gas heat exchange units |
| Environmental Incineration Equipment | Industrial waste gas incinerators, high‑temperature tail gas treatment piping, heat‑resistant tubes for waste incineration equipment |
| Metallurgical Thermal Processing Equipment | Metallurgical heating furnace piping, high‑temperature circulation piping for hot forming equipment, kiln heat‑resistant tube components |
| General High‑Temperature Energy Equipment | Power plant waste heat recovery systems, high‑temperature steam circulation auxiliary piping, thermal process supporting equipment |
Precise Selection Guide: Inconel 601 vs. 600 Tubing
Although Inconel 600 and Inconel 601 both belong to the nickel-based alloy family, they are designed for different service conditions. Selecting the appropriate material can significantly enhance equipment reliability, extend service life, and reduce maintenance costs.
The primary difference between the two alloys is the addition of aluminum to Inconel 601. This enables the alloy to form a stable protective layer of aluminum oxide (Al₂O₃) in high-temperature service environments, thereby providing oxidation resistance far superior to that of Inconel 600.
| Property | Inconel 600 | Inconel 601 |
|---|---|---|
| UNS Number | N06600 | N06601 |
| Main Alloying Elements | Ni‑Cr‑Fe | Ni‑Cr‑Fe‑Al |
| Maximum Oxidation Resistance | Good | Excellent |
| Carburization Resistance | Good | Excellent |
| Thermal Cycling Resistance | Good | Outstanding |
| Continuous High‑Temperature Service | Up to approximately 1000°C | Up to approximately 1200°C |
| Typical Applications | Chemical processing, heat exchangers | Industrial furnaces, radiant tubes, heat treatment equipment |
Contact our experts to recommend the right alloy for your project
Inconel Alloy 601 Tube production process
Gnee Steel provides the following heat treatments for Inconel Alloy 601 Tube: annealing, solution + aging. In addition, Gnee Steel also provides hot working and cold working, which are hot rolling and cold drawing.
Inconel Alloy 601 Tube Packaging
In order to better ensure the safety of your goods, we will provide professional, environmentally friendly, convenient and efficient packaging services.
Inconel Alloy 601 Tube Testing And Qualification Certificate
GNEE Group Inconel Alloy 601 Tube Testing And Qualification Certificate
Gnee Alloy inconel 601 certificate
About Gnee Alloy
Gnee Alloy specializes in the production and sale of various nickel-based alloys, including Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel Alloy 600, Inconel 625, Inconel 718, Inconel X-750, Incoloy Alloy 800, Incoloy 800H/HT, Incoloy 825, Monel Alloy 400, Monel K500, and high-temperature alloys. Gnee Steel's products are widely used in aerospace, chemical, electric power, automotive, and nuclear energy applications. We also offer customized alloy solutions tailored to customer needs. For alloy pricing inquiries or customized alloy solutions, please contact us for a quote at ss@gneesteel.com.
FAQ
Q1: What are the key advantages of Inconel 601 tubing compared to Inconel 600?
A: The core upgrade lies in superior resistance to high-temperature oxidation, spalling, and thermal fatigue. Leveraging a chromium-aluminum composite strengthening system, it is ideally suited for high-temperature furnace applications and cyclic heat exchange processes involving frequent start-stop cycles and thermal fluctuations, effectively resolving the common failure issues associated with Inconel 600 tubing in high-temperature environments.
Q2: What is the maximum temperature tolerance of 601 tubing, and is it suitable for long-term furnace use?
A: It offers a stable long-term service temperature of up to 1180°C and a short-term tolerance of 1250°C. It demonstrates excellent stability in furnace environments involving carburization, nitriding, and flue gas erosion, making it a preferred material for industrial furnace tubes.
Q3: How does 601 tubing perform regarding corrosion resistance? Can it be used in corrosive chemical environments?
A: While it possesses basic high-temperature corrosion resistance, it lacks a high-molybdenum corrosion-resistant system and is not suitable for environments involving strong acids, alkalis, or chloride ions; the material is designed specifically for high-temperature thermal applications rather than general corrosion-resistant piping.
Q4: What are the welding characteristics of 601 tubing, and does welding affect its high-temperature performance?
A: It exhibits excellent weldability; standard welding processes result in welds free from cracks and porosity. Post-welding, the joints maintain high-temperature oxidation and thermal fatigue resistance comparable to the base metal, meeting furnace application requirements without the need for secondary heat treatment.
Q5: What specific certifications/documentation can be provided for exported 601 tubing?
A: We can provide ASTM standard material certificates, PMI (Positive Material Identification) reports, NDT (Non-Destructive Testing) reports, high-temperature performance test reports, and EN 10204 3.1/3.2 certification to meet the acceptance criteria of high-end global projects.
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