Inconel 601 Plates | UNS N06601 Oxidation-Resistant Plates for Furnaces, Heaters & High-Temperature Process Plants
Table of Contents:
A large Indian power-and-chemical complex had made peace with the idea that superheater tube supports, furnace muffles and ash-handling hardware were “consumables”: every outage showed heavily scaled 304/310 plates, warped supports and cracked welds in zones cycling between 800–1100°C under high-velocity combustion gases and sulfur-bearing ash. When the plant’s reliability and procurement teams rebuilt those sections in Inconel 601 Plates (UNS N06601, W.Nr. 2.4851), they chose a nickel‑chromium alloy with aluminium whose most important property is described as resistance to oxidation at very high temperatures up to about 1250°C, where a tightly adherent oxide layer resists spalling even under severe cyclic heating and cooling; data list typical minimum tensile strength around 550 MPa (80 ksi), yield strength around 205 MPa (30 ksi), elongation at least 30–35% and documented use in trays, baskets, fixtures, radiant tubes, high-velocity gas burners, tube supports and ash trays, with field experience showing furnace campaigns extending multiple cycles beyond what stainless steels could survive.
Inconel 601 (Alloy 601, UNS N06601) is a nickel‑chromium alloy with an aluminium addition that provides outstanding resistance to oxidation and other forms of high‑temperature corrosion, forming a tenacious oxide scale that remains bonded even during repeated heating and cooling between 1000–1200°C. Technical summaries highlight that its nickel base plus substantial chromium content give resistance to many corrosive media and high‑temperature environments, while aluminium further enhances oxidation resistance and resistance to carburising and carbon‑nitriding conditions in furnace atmospheres.
For procurement heads, engineers, fabricators, OEMs and hardware or industrial supply stores serving chemical, oil & gas, marine, pharma and power generation, Alloy 601 plates solve a specific problem: stainless steels and many generic nickel alloys suffer rapid scaling, oxide spalling and distortion when exposed to cyclic high‑temperature oxidising and sulfur‑bearing atmospheres, whereas Alloy 601 maintains a stable oxide film, high‑temperature strength and good ductility under thermal shock. Mechanical data for plate and bar show room‑temperature tensile strengths in the 765–785 MPa range, yield strengths around 410–414 MPa and elongation around 36–41% after solution treatment at about 1200°C, while oxidation studies report “exceptional resistance” to scaling and absence of embrittling sigma phase up to about 2200°F (≈1200°C).
Aurico Alloys LLP can support these demanding duties as an affordable, authentic Inconel 601 Plates supplier, manufacturer and stockist in India with exports abroad, offering hot‑rolled and cold‑rolled plate and sheet in UNS N06601 / 2.4851 to ASTM B168 / ASME SB168 with NABL‑approved EN 10204 3.1 Mill Test Certificates for superheater tube supports, ash-handling systems, industrial furnace muffles, radiant tubes, burner nozzles, catalyst support grids, flare booms and pollution-control hardware. This directly addresses search intents such as “Inconel 601 plate suppliers in Mumbai for superheater tube supports and ash-handling systems”, “High-temperature oxidation resistant Alloy 601 plates for industrial furnace muffles”, “ASTM B168 Inconel 601 plate stockist for radiant tubes and burner nozzles in India”, “Inconel 601 plate exporters in Mumbai for catalyst support grids in nitric acid production”, “Marine grade Inconel 601 plates for offshore flare booms and exhaust systems” and “Verified Inconel 601 plate exporters in India with NABL approved Mill Test Certificates (MTC)”.
High-quality Inconel 601 Plates ready for industrial use.
Specification Overview
| Supplier & Role | Aurico Alloys LLP – Inconel 601 plate stockholders and exporters in Mumbai for furnace, petrochemical, marine, power and pollution-control equipment, with NABL‑approved MTCs. |
|---|---|
| Alloy Description | Nickel‑chromium alloy with aluminium for high‑temperature oxidation and carburisation resistance, designed for furnace, heat‑treat, petrochemical and exhaust applications up to about 1200°C. |
| UNS / Werkstoff / EN | UNS N06601, W.Nr. 2.4851; commonly supplied as Alloy 601 plate and sheet to ASTM B168 / ASME SB168. |
| Main Plate Standards | ASTM B168 / ASME SB168 for plate, sheet and strip; related AMS/VDM data sheets define additional aerospace and industrial requirements. |
| Thickness Range | 4.75 mm – 150 mm |
| Key Physical Focus | Exceptional oxidation resistance up to ≈1200°C, resistance to carburising and many sulfur‑bearing atmospheres and good structural stability without sigma phase embrittlement under long‑term exposure. |
| Target Industries | Thermal processing, chemical and petrochemical plants, power generation (including gas turbines and superheaters), marine/offshore, pharma sterilisation units, aerospace and pollution‑control systems. |
| Price | INR 2,800 – 3,800 per kg. Indicative USD 33 – 45 per kg; quoted against grade, form, size and quantity. |
UNS & Equivalent Grades
| Property | Value |
|---|---|
| UNS number | N06601 |
| Werkstoff / EN number | 2.4851 |
| Density | 8.11 g/cm3 |
| Melting range | 1360-1411 °C |
| Specific heat (21 °C) | 448 J/kg·°C |
| Magnetic permeability (200 oersted at 24 °C) | 1.003 |
| Magnetic permeability (200 oersted at -78 °C) | 1.004 |
| Magnetic permeability (200 oersted at -196 °C) | 1.016 |
| Curie temperature | < -196 °C |
| Plate, sheet and strip specification | ASTM B168 / AMS 5870 |
Identifiers and physical constants for Inconel 601. A dash means no such designation is published for this grade.
Stock & Product Availability
As ASTM B168 Inconel 601 plate stockist for radiant tubes and burner nozzles in India and Inconel 601 plate suppliers in Mumbai for superheater tube supports and ash‑handling systems, Aurico Alloys LLP can provide hot‑rolled plates for heavy furnace and structural components and cold‑rolled plates and sheets with tight tolerances for precision hardware and clean environments. Typical commercial data cite minimum tensile strength of about 80 ksi (≈550 MPa), minimum yield strength of about 30 ksi (≈205 MPa) and minimum elongation of 30–35% for plate products meeting ASTM B168, with many bars and rods achieving higher strengths up to about 765–785 MPa ultimate and 410–414 MPa yield after solution treatment.
This mix supports search requirements such as “Inconel 601 plate price per kg in Mumbai for heat‑treating baskets and fixtures”, “Inconel 601 plate exporters in Mumbai for catalyst support grids in nitric acid production”, “UNS N06601 Inconel plates for petrochemical refineries and air preheaters in India”, “Alloy 601 plates for condenser tubes in sour‑water strippers and chemical plants”, “Inconel 601 plate stockholders in Mumbai for waste incinerator combustion chambers”, “Durable Inconel 601 plates for gas turbine components in the Indian energy sector”, “High‑purity Inconel 601 plates for pharmaceutical sterilization and thermal processing”, “Custom cut Inconel 601 plate sizes for aerospace jet engine igniters and rings” and “Leading Inconel 601 alloy plate dealers in Mumbai for thermal reactors and pollution control”.
Chemical Composition
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | 58.0 | 63.0 |
| Chromium (Cr) | 21.0 | 25.0 |
| Iron (Fe) | — | Balance |
| Aluminium (Al) | 1.0 | 1.7 |
| Carbon (C) | — | 0.10 |
| Manganese (Mn) | — | 1.0 |
| Sulfur (S) | — | 0.015 |
| Silicon (Si) | — | 0.50 |
| Copper (Cu) | — | 1.0 |
Composition limits for Inconel 601. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Mechanical & Physical Properties
| Property (Typical, Plate/Bar) | Value – Inconel 601 / UNS N06601 |
|---|---|
| Ultimate Tensile Strength (RT) | Minimum ≈80 ksi (≈550 MPa) for plate; solution‑treated bar results include ≈621–785 MPa, with some tests listing ≈765–785 MPa (111–113.8 ksi). |
| 0.2% Yield Strength (RT) | Minimum ≈30 ksi (≈205 MPa) for plate; bar data up to ≈410–414 MPa (≈59.5–60.1 ksi). |
| Elongation | Minimum ≈30–35% in 2 in (50 mm) for plate; bar data around 36–41% after solution treatment. |
| Hardness | Typical solution‑treated hardness around 64–RB 70; specification ranges usually ≤RB 90 for plate. |
| Oxidation Resistance | Described as having exceptional resistance to oxidation with a protective oxide coating resisting scaling under cyclic exposure up to about 2200°F (≈1200°C). |
| High-Temperature Strength | Maintains mechanical integrity and creep resistance at high temperatures, with creep‑rupture strength and fatigue data supporting use in thermal processing and combustion systems up to about 1200°C. |
| Corrosion Behaviour | Good resistance in oxidising sulfur‑bearing atmospheres and carburising/carbon‑nitriding environments, plus use in process heaters, condenser tubes in sour‑water strippers and ammonia reformer cans. |
Applications & Benefits
- Chemical & Petrochemical Processing: Corrosion‑resistant Inconel 601 plates are used in ammonia reformers, process heaters, condenser tubes in sour‑water strippers, insulating cans, catalyst support grids in nitric acid production, air preheaters and refinery hardware where oxidising and sulfur‑rich atmospheres and cyclic high temperatures defeat stainless and low‑alloy steels.
- Thermal Processing & Power: Alloy 601 is widely applied in industrial furnace muffles, radiant tubes, burner nozzles, trays, baskets, fixtures, thermal reactors and waste‑incinerator combustion chambers, as well as some gas‑turbine and power‑generation components where oxidation resistance and thermal‑cycle stability dominate.
- Marine & Oil & Gas: Marine‑grade Inconel 601 plates support offshore flare booms, exhaust systems and high‑temperature sections of offshore process units, while stockholders in Mumbai serve waste‑incineration, flare and heater hardware for oil and gas facilities exposed to hot, corrosive gas mixtures.
- Pharma, Aerospace & Sourcing: High‑purity Inconel 601 plates are used in pharmaceutical sterilisation and thermal processing, aerospace jet engine igniters and rings and pollution‑control systems, with verified exporters in India supplying NABL‑approved MTCs and custom‑cut plates that allow hardware and industrial supply stores to service cryogenic‑to‑high‑temperature applications under one alloy umbrella.
FAQ & Search Trends
Global Export Destinations
We ship worldwide from Mumbai. See every destination we export to on our export markets page.
Domestic Supply Network
We deliver across India from our Mumbai stockyard. See every city we supply on our supply locations page.
Conclusion
Inconel 601 Plates from Aurico Alloys LLP, supplied to UNS N06601 / 2.4851 chemistry limits and ASTM B168 / ASME SB168 mechanical requirements with NABL‑approved EN 10204 3.1 Mill Test Certificates, give chemical, oil & gas, marine, pharma and power‑generation users nickel‑chromium‑aluminium plates that combine exceptional oxidation and scaling resistance up to about 1200°C, good carburisation and sulfur‑atmosphere resistance and stable high‑temperature strength for superheaters, furnaces, flare systems, reactors and pollution‑control equipment are your most thermally cycled, oxidation‑critical assets still relying on standard stainless or lower‑grade alloys instead of optimised Inconel 601 plates?