Inconel 601 Seamless Tube

Inconel 601 Seamless Tube – High-Temperature Nickel-Chromium Alloy Tubing 

Inconel 601 Seamless Tube is a high-performance nickel-chromium alloy tube engineered for extreme thermal environments. You get exceptional oxidation resistance up to 1250°C and superior corrosion protection. Our seamless manufacturing eliminates weld seams, ensuring uniform mechanical integrity throughout the tube wall. With aluminum-enhanced chemistry, this alloy prevents material spalling, resists carburization, and maintains structural stability under cyclic heating. TSM Technology produces these tubes in our 50,000㎡ facility using advanced extrusion processes. We provide accurate measurements and meet tight tolerances for the aircraft and petrochemical sectors. Each product undergoes rigorous quality control to ensure performance in the most demanding applications.

Specification

Physical and Chemical Properties

Chemical Composition

Physical Properties

Product Standards

Your tubes comply with multiple international standards:

• ASTM B167 – Standard Specification for Nickel-Chromium-Iron Alloys
• ASTM B517 – Welded Tube Standards
• ASME SB167 – Boiler and Pressure Vessel Code
• DIN 17751 – European Nickel Alloy Standards
• JIS Standards – Japanese Industrial Standards

We provide full material traceability with MTC, SGS, BV, and TUV certifications.

What are the Features of Inconel 601 Seamless Tube?

You benefit from these outstanding characteristics:

Better Oxidation Resistance - The aluminium presence creates a protective oxide layer that does not spall even during heat cycling.

High-Temperature Stability – Retains mechanical strength and structural integrity up to 1250°C.

Carburisation Resistance — Prevents carbon absorption in petrochemical industrial atmospheres.

Seamless Construction — Uniform characteristics across tube wall, no weld weaknesses.

Excellent Creep Resistance — Withstands long term exposure to severe stress at extreme temperatures.

Corrosion Protection - Resists aqueous corrosion and oxidising atmospheres.

Application 

Thermal Processing Equipment — These tubes may be used for furnace muffles, radiant tubes and retorts in industrial heating systems.

Petrochemical Industry – Great for ammonia reformers, catalyst support grids and process heaters using nitrogen-based gases.

Power Generation - Perfect for superheater tube supports and combustion chamber components that need thermal stress resistance.

Aerospace Applications – Suitable for high-temperature exhaust systems and engine components.

Chemical Processing – Excellent for reactors and vessels handling corrosive media at elevated temperatures.

What is the Production Process of Inconel 601 Seamless Tube?

Our manufacturing follows rigorous steps:

Raw Material Selection — High quality nickel-chromium alloys are sourced from certified vendors.

Melting and Casting — Exact chemical composition control is achieved by vacuum induction melting.

Hot Extrusion - Billets are heated and pushed through dies to form seamless tubing.

Cold Drawing - Precision drawing leads to accurate dimensions and better surface polish.

Heat Treatment - Solution Annealed, Controlled Temperature for Optimum Mechanical Properties.

Finishing - Bright annealing, pickling or polishing as per your requirements.

Final Inspection – Comprehensive testing before packaging and shipment.

Quality Inspection

Every Inconel 601 Seamless Tube undergoes strict quality control:

Chemical Analysis (PMI) – X-ray Fluorescence verifies chromium and aluminum levels for oxidation resistance.

Non-Destructive Testing (NDT) – Hydrostatic testing ensures leak-proof performance. Ultrasonic and Eddy Current Testing detect internal defects.

Metallographic Examination – Grain size evaluation per ASTM E112 confirms optimal creep resistance.

Mechanical Testing - Tensile, yield and elongation tests are conducted to ensure ASTM B167 conformity.

Dimensional Inspection - Diameters and wall thicknesses are checked for tolerance using precision measuring instruments.

Size inspection

Alloy 625 OES

​​​​​​​

Hydrostatic test

Eddy current testing (ET) 

We are ISO 9001, AS9100D and AS9120 certified for aerospace grade quality.

Why Choose TSM Technology? 

Advanced Manufacturing — Our 50,000㎡ facility is equipped with more than 100 precision equipment with full-process manufacturing capacity.

Proven Expertise – For more than 14 years we have served customers in over 70 countries, in the aerospace, petrochemical and marine sectors.

Quality Assurance — AS9100D certification and rigorous testing processes ensure aerospace-grade dependability.

Customisation Support - We can meet your unique size, finish and processing needs.

Fast Delivery – Monthly production capacity 100-200 tonnes, to meet your request swiftly.

Technical Support - We have an engineering staff available for advice throughout your project lifetime.

Complete Documentation – You receive full traceability with QAC, ITP, and MTR certificates.

Package and Shipping

We protect your investment with professional packaging:

• Tubes are bundled and wrapped in waterproof material
• Wooden cases or steel frames for international shipping
• Clear labeling with specification details and batch numbers
• Insurance coverage available for high-value shipments

Our Hong Kong logistics hub ensures efficient global distribution.

FAQ

Q: What is the difference between Inconel 600 and the product?

A: Inconel 601 incorporates aluminium, which gives it far superior high temperature oxidation resistance and less spalling than Inconel 600.

Q: What is the highest operating temperature of your tubes?

A: You can use them continuously at temperatures up to 1250°C (2280°F) in oxidizing environments.

Q: Does this alloy have good carburisation resistance?

A: Yes, the high nickel and chromium content provides good resistance to carbon absorption in industrial atmospheres.

Q: What is the welding filler I should use?

A: We propose ERNiCrFe-11 matching consumables to retain the oxidation resistance qualities of the weld zone.

Q: Is it possible to place small quantity orders?

A: Of course. For speedy delivery we have stock and a minimum order size of simply 50kg.

Q: Do you provide bespoke sizes?

A: Yes, we can support customised OD, wall thickness & length as per your technical design.

Q: How do you guarantee the product quality?

A: Each tube is tested chemically, ultrasonically, hydrostatically and verified for mechanical properties before shipping.

Contact Us

Ready to source premium Inconel 601 Seamless Tube for your project? Reach out to our technical team at info@tsmnialloy.com for quotations and specifications today.