Inconel 601 Pipes & Tubes Supplier, Manufacturer & Exporter from India
Some processes require the use of common steel. If you are already routinely using equipment operating at furnace-level temperature, doing hot/cold cycle work, or operating in an inert gas environment, you must have realized the pain of selecting the wrong material which leads to the lost time, deformed machines, and unwanted phone calls.Inconel 601 was developed specifically to resist this failure mode: its aluminium-rich oxide layer stays intact through repeated heat-cool cycling where standard austenitic grades scale and spall. At Kalpataru Piping, we stock and supply Inconel 601 pipes and tubes (UNS N06601, Werkstoff Nr. 2.4851) in seamless, welded, and ERW designs, manufactured according to ASTM B167 / B517, ASME SB167 / SB517 standards. With its high content of aluminum, the alloy forms a solid oxide skin that is capable of protecting against scaling and thermal cycling processes at temperatures of 1150°C, which is why it has found its application in the production of radiant tubes, furnace baskets, and heat treating equipment all over the world. In addition, we keep all other Inconel products – fittings, flanges, bars, and sheets – to ensure that you’ve got all products from one manufacturer. We guarantee that all our products come with mill test certificates and our mill in Mumbai sends orders out right away.
What is Inconel 601 Pipes & Tubes
Inconel 601 is a nickel-chromium alloy prized for one thing above all it keeps its strength and skin intact when everything else around it is breaking down from heat. Unlike ordinary austenitic stainless steel, its aluminium-rich oxide layer stays stable and adherent even through repeated hot-cold cycling, which is exactly the kind of abuse furnace and radiant-tube equipment dishes out daily. Kalpataru Piping supplies this alloy in three practical forms:
- Seamless Pipes & Tubes — cold-drawn or hot-finished, for high-pressure and high-purity duty
- Welded Pipes & Tubes (ERW/EFW) — a cost-effective route for larger diameters and long structural runs
- Fabricated / LSAW Pipes — custom-built when a project calls for large-bore sizes
All of it is available in round, square, rectangular, and coiled forms, straight lengths up to 20 metres, and custom cut lengths on request. If your job also calls for Inconel 601 buttweld fittings, flanges, or fasteners to complete the line, we stock those too — one supplier, one paper trail, fewer delays.
Table of Contents
- Inconel 601 Pipe Features & Benefits
- Inconel 601 pipeTechnical Specifications
- Equivalent Grades of Inconel 601 Pipe
- Inconel 601 Pipe Chemical Composition (UNS N06601, wt.%)
- Inconel 601 Pipe Mechanical & Physical Properties
- Inconel 601 Pipe Applications
- Comparison Table: Inconel 601 vs Inconel 600 vs Incoloy 800H
- Process, Manufacturing & Quality Control
- Certifications & Standards
- Inconel 601 Pipes Sizes
- Inconel 601 Pipe Price
- FAQ’s About Inconel 601 Seamless Pipes
Inconel 601 Pipe Features & Benefits
| Feature | What It Actually Means for You |
|---|---|
| Aluminium-rich oxide layer | Fights off oxidation, scaling, and carburization instead of flaking away under heat |
| Strong creep-rupture resistance | Won't slowly deform under sustained load at high temperature — fewer surprise replacements |
| Good weldability | Your fabricators can work with it using standard TIG/MIG procedures, no exotic equipment |
| High nickel-chromium content | Broad resistance across corrosive process media, not just one narrow use case |
| Stable from cryogenic to 1150°C | One material can cover extreme swings instead of switching alloys mid-project |
| Non-magnetic behaviour | Fits specialised instrumentation and sensitive process equipment |
Inconel 601 Pipe Technical Specifications
| Parameter | Details |
|---|---|
| Standard | ASTM B167 / B517, ASME SB167 / SB517 |
| Size Range | 1/8" to 8" NB (custom sizes from 6.35 mm OD to 152 mm OD) |
| Type | Seamless / ERW / Welded / Fabricated / LSAW |
| Wall Thickness | 0.5 mm to 60 mm |
| Length | Single Random, Double Random & Cut Length (up to 20 m) |
| End Finish | Plain End, Beveled End, Threaded |
| Form | Round, Square, Rectangular, Coiled, Hydraulic |
| Schedule | SCH 5, 10, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160, XXS |
| Supply Condition | Solution-annealed condition as standard; other conditions available on request |
Equivalent Grades of Inconel 601 Pipe
| Standard | Designation |
|---|---|
| UNS | N06601 |
| Werkstoff Nr. | 2.4851 |
| JIS | NCF 601 |
| AFNOR | NC23FeA |
| BS | NA 49 |
| GOST | ХН60БТ |
| EN | NiCr23Fe |
Inconel 601 Pipe Chemical Composition (UNS N06601, wt.%)
| Element | Ni | Cr | Fe | Al | C | Mn | Si | Cu | S |
|---|---|---|---|---|---|---|---|---|---|
| % Range | 58.0–63.0 | 21.0–25.0 | Balance | 1.0–1.7 | 0.10 max | 1.0 max | 0.5 max | 1.0 max | 0.015 max |
Inconel 601 Pipe Mechanical & Physical Properties
| Property | Value |
|---|---|
| Density | 8.1 g/cm³ (0.293 lb/in³) |
| Melting Range | 1360°C – 1411°C (2480°F – 2571°F) |
| Tensile Strength | 80,000 psi / 550 MPa (min.) |
| Yield Strength (0.2% Offset) | 30,000 psi / 205 MPa (min.) |
| Elongation | 30% (min.) |
Comparison Table: Inconel 601 vs Inconel 600 vs Incoloy 800H
| Property | Inconel 601 (N06601) | Inconel 600 (N06600) | Incoloy 800H (N08810) |
|---|---|---|---|
| Max service temperature | Up to 1150°C | Up to 1093°C | Up to 1093°C |
| Oxidation resistance | Excellent — Al-rich oxide layer | Good | Good |
| Nickel content | 58–63% | 72% min | 30–35% |
| Typical use | Furnace, radiant tube, heat treatment | Chemical processing, marine | Petrochemical, power boilers |
| Relative cost | Moderate–High | High | Moderate |
Inconel 601 Pipe Applications
- Petrochemical processing plants
- Chemical processing & storage equipment
- Oil & gas refineries
- Fertilizer manufacturing units
- Power generation — boilers, superheater tubes
- Heat-treating equipment — baskets, muffles, retorts
- Aerospace and radiant tube systems
- Furnace components subject to repeated thermal cycling
Running a mixed-alloy plant? We also supply nickel alloy pipes and tubes, Incoloy 800/800H/800HT pipes and tubes, and Hastelloy pipes and tubes for sections of your process that call for a different grade.
Process, Manufacturing & Quality Control
Our Inconel 601 pipes and tubes are produced through controlled hot-billet piercing (seamless route) or strip welding (welded route), followed by cold drawing, annealing, and precision straightening. Every stage is checked before it moves to the next, so what leaves our facility matches what’s on the certificate — not just what’s on the label.
Inspection & Testing
- Ultrasonic Testing (UT)
- Hydrostatic Testing
- Flaring & Flattening Test
- Visual & Dimensional Inspection
- Chemical Composition Analysis (Spectrograph)
- Positive Material Identification (PMI) on request
Marking
Each pipe and tube is marked with Standard, Grade, OD, Thickness, Length, and Heat Number — or to your own marking requirement — so every length stays traceable back to its heat.
Certifications & Standards
- ISO 9001:2015 — Quality Management
- ISO 14001 — Environmental Management
- ASTM B167 / B517, ASME SB167 / SB517
- EN 10204 3.1 / 3.2 Mill Test Certificates
- PED 97/23/EC European Pressure Equipment compliance (on request)
Inconel 601 Pipes Sizes
Inconel 601 pipe sizes are commonly available in standard nominal bore sizes from 1/8″ to 8″, depending on the manufacturing method and supplier. Common sizes include 1/2″, 3/4″, 1″, 1-1/2″, 2″, 2-1/2″, 3″, 4″, 6″, and 8″. Larger outside diameters and custom sizes can also be supplied based on project requirements. Wall thicknesses are available in different schedules and custom dimensions to suit pressure, temperature, and application requirements.
Inconel 601 Pipe Price
The indicative price of Inconel 601 pipe depends on the pipe size, wall thickness, schedule, manufacturing type, quantity, surface finish, testing requirements, and applicable standards. Prices can vary between seamless and welded pipes and may change with nickel-alloy raw material costs and order quantity.
Indicative Inconel 601 pipe prices: ₹X–₹Y per kg, depending on size, schedule, finish, and quantity. For an exact quotation, share the required pipe size, wall thickness or schedule, quantity, ASTM/ASME specification, and testing requirements with our sales team.
FAQ’s About Inconel 601 Seamless Pipes
What is Inconel 601 used for?
It’s the material engineers reach for when parts need to survive continuous high heat without scaling apart — furnace baskets, radiant tubes, heat-treating equipment, and petrochemical process piping are the classic uses.
What's the maximum temperature an Inconel 601 pipe can handle?
Around 1150°C (2100°F) continuous service, thanks to the aluminium-rich oxide skin that keeps re-forming as it’s exposed to heat.
What's actually different between Inconel 600 and Inconel 601 pipe?
Inconel 601 has added aluminium, which gives it noticeably better oxidation resistance at very high temperatures. Inconel 600 has more nickel overall but falls a bit short on extreme-heat oxidation performance by comparison.
See our full breakdown in the comparison table above, or check our Inconel pipes and tubes range if you’re still deciding between grades.
Which standards govern Inconel 601 pipe manufacturing?
ASTM B167, ASTM B517, ASME SB167, and ASME SB517 — these cover seamless and welded product forms respectively.
See our full breakdown in the comparison table above, or check our Inconel pipes and tubes range if you’re still deciding between grades.
What sizes does Kalpataru Piping actually stock?
From 1/8″ NB up to 8″ NB as standard, with larger sizes on request, in seamless, ERW, and welded forms. Need exact weights for your order? Run the numbers through our pipe weight calculator before you finalise your PO.
Can Inconel 601 pipe be welded on site?
Yes — it welds well with standard TIG, MIG, or manual metal arc procedures, so on-site fabrication and repair aren’t a special project.
Do you provide mill test certificates with every order?
Every shipment ships with an EN 10204 3.1 certificate as standard, with 3.2 and third-party inspection available if your project specification calls for it.
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