The difference between Inconel 600 and Inconel 601 pipe is that Inconel 601 has a controlled addition of aluminium (Al) around 1.0 to 1.7%. This gives the alloy superior resistance to high-temperature oxidation and scaling compared to Inconel 600.
ASTM B167 Inconel 601 Seamless Pipe Manufacturer
We are Zhejiang Xintongda Special Steel (XTD), a trusted Inconel 601 Seamless Pipe manufacturer and a global supplier. Inconel 601 pipe is a nickel-chromium-iron composition with added aluminium (1.0–1.7%). This chemical balance offers superior performance as it has a high percentage of nickel (58-63%) and chromium (21-25%). We provide these pipes in compliance with the ASTM B167 standard. Our pipe maintains excellent oxidation resistance and structural stability in temperatures up to 2200°F (1200°C). The material forms an oxide layer (mostly Al2O3) that adheres to the surface and protects it from oxidation, scaling, and carburisation. 601 pipe is suitable for the aerospace, petrochemical and chemical processing industries exposed to high temperatures and harsh chemicals. We hold multiple international certifications and can supply this pipe within a week for stock orders. Production order can take about 15-60 days.
We supply pipes that follow strict specifications:
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Standard
ASTM B167
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OD Range
6-457 mm
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Thickness
1-65 mm
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Length
≤ 18 m
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Technical Data
Technical Data
Benefits of Inconel 601 Seamless Pipe
Inconel 601 seamless pipe has 5 benefits that make it a preferred choice over other materials:
- Long Service Life: The pipe's superior resistance to oxidation and high-temperature corrosion ensures that parts last longer. This reduces frequent replacements and downtimes.
- Improved Safety Across Operations: The high strength and resistance to thermal fatigue of the pipe prevent harmful failures, which improves safety in high-temperature operations.
- Low Maintenance Cost: Inconel 601 pipe’s stability and long-term durability reduce frequent repairs or protective coatings.
- Higher Efficiency: UNS N06601 seamless pipe maintains its structural integrity and performance even at high temperatures. This ensures consistent process flow and higher efficiency.
- Consistent Performance: The metallurgical stability of this pipe ensures consistent performance over long durations. This is critical in continuous processing operations.
Inconel 601 Pipe Equivalent Grade Designation
The international equivalent designation for Inconel 601 is UNS N06601. It is also known as Werkstoff Nr. 2.4851 and JIS NCF 601. These equivalent grade designations are explained properly in the following table.
| GRADE | UNS | GB | JIS | ISO | DIN/EN | GOST | |
| ISC | NEW | ||||||
| Inconel 601 | N06601 | - | NS312 | NCF601 | - | 2.4851 | - |
100% Certified Testing & Documentation
- EN 10204 3.1 and EN 10204 3.2 Material Test Certificates (MTC)
- Raw Materials Certificate
- 100% PMI
- Heat Treatment Charts
- Third-Party Inspection Report
- Surface roughness and size measurement
- Manufacturer Test Certificate (Impact Testing, Flattening, Flare, Bend, Hardness, Intergranular, Pitting Corrosion, Grain size, ET, UT, HT)
- Laboratory Test Certificate from the Government-Approved Lab
Application of Alloy 601 Seamless Pipe
The properties of ASME SB167 Seamless Pipe make it essential for 6 major applications.
Marine and Offshore
Inconel 601 pipe is used in high-temp heat exchangers, exhaust systems (gas turbines), and in handling corrosive fluids (oil/gas, petrochemicals) due to its exceptional resistance to high heat, oxidation, and aggressive saltwater/chemicals.
Chemical Processing
This pipe is ideal for thermal reactors, ammonia reforming and parts exposed to highly corrosive and oxidising agents at high temperatures.
Heat Exchangers & Boiler Feedwater Heaters
The pipe's excellent thermal stability and oxidation resistance make it perfect for tubes carrying hot gases or liquids in heat transfer equipment.
Process Piping & Valve Stems
601 Inconel pipe is used for important piping systems and in hot process streams where mechanical strength must be maintained at extreme temperatures.
Aerospace & Aircraft Components
This pipe is applied in jet engine components, combustion cans and exhaust systems where the material must resist heat and maintain strength at high speeds.
Metal Instruments
This seamless pipe is used in thermocouple protection tubes, baskets and radiant tubes in industrial furnaces. It is used because of its high-temperature durability and carburisation resistance.
Frequently Asked Questions
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Difference between Inconel 600 and Inconel 601 Pipe?
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Is Inconel 601 suitable for welding?Yes, Inconel 601 is generally suitable for welding if the right filler metals, like ERNiCrFe-8 or ENiCrFe-3, are used.
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Is Inconel 601 seamless pipe expensive?Inconel 601 pipe price is considered high because it has high amounts of nickel in it and has a special manufacturing process.
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What size range is available for Inconel 601 seamless pipes?We, at XTD, offer Inconel 601 seamless pipes in Outer Diameter (OD) ranging from 6 mm to 457 mm and the wall thickness between 1 mm to 65 mm.
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Can I order small quantities of Inconel 601 Seamless Pipe?Yes. You can order for both large-scale industries and smaller quantity requirements. Contact us for specific details on your required shipment.
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Is Inconel 601 pipe stronger than steel pipe?Yes. Inconel 601 outperforms most standard stainless steel pipes at elevated temperatures. While some alloy steels may have higher room-temperature strength, Inconel 601 retains its mechanical properties far better in high-temperature environments.