Inconel 601 is commonly specified when high-temperature oxidation resistance, carburization resistance and reliable mechanical stability are required in demanding thermal processing environments. The alloy is supplied in plate, sheet, strip, bar, pipe, tube, wire, forging and fitting forms for furnace equipment, radiant tubes, petrochemical processing units, heat-treatment fixtures, combustion components and high-temperature fabricated assemblies.
A concise grade introduction for buyers who need to confirm composition, properties, standards, available forms and suitable applications before sending an inquiry.
Inconel 601 is commonly specified when high-temperature oxidation resistance, carburization resistance and reliable mechanical stability are required in demanding thermal processing environments. The alloy is supplied in plate, sheet, strip, bar, pipe, tube, wire, forging and fitting forms for furnace equipment, radiant tubes, petrochemical processing units, heat-treatment fixtures, combustion components and high-temperature fabricated assemblies.
Technical data on this page is for material selection reference. Final acceptance values should be confirmed by the purchase standard, heat treatment condition, product form, size and material test certificate.
The following table shows common limiting composition values for Alloy 625 / UNS N06625. Actual product chemistry is reported by heat on the material test certificate.
| Element | Symbol | Typical Requirement | Role in Alloy 601 |
|---|---|---|---|
| Nickel | Ni | 58.0 min | Base element providing corrosion resistance, toughness and metallurgical stability. |
| Chromium | Cr | 21.0-25.0 | Provides oxidation resistance and resistance to hot corrosive environments. |
| Iron | Fe | Balance | Balances the alloy matrix and supports strength and thermal stability. |
| Aluminum | Al | 1.0-1.7 | Forms a protective alumina scale for high-temperature oxidation resistance. |
| Carbon | C | 0.10 max | Controlled to support weldability and corrosion performance. |
| Manganese | Mn | 1.0 max | Controlled minor alloying element. |
| Silicon | Si | 0.50 max | Controlled minor element and impurity. |
| Phosphorus | P | 0.015 max | Controlled impurity. |
| Sulfur | S | 0.015 max | Controlled impurity. |
| Copper | Cu | 1.0 max | Controlled residual element. |
| Cobalt | Co | 1.0 max, if determined | Controlled residual element when specified. |
These values help customers compare density, thermal behavior, magnetic response and conductivity during early material selection.
| Property | Metric Value | Imperial / Notes | Condition |
|---|---|---|---|
| Density | 8.11 g/cm3 | 0.293 lb/in3 | Room temperature |
| Melting Range | 1360-1411 °C | 2480-2570 °F | Typical range |
| Specific Heat | 444 J/kg·°C | 0.106 Btu/lb·°F | Approx. 20 °C |
| Thermal Conductivity | 14.9 W/m·°C | 103 Btu·in/ft2·h·°F | Approx. 20 °C |
| Electrical Resistivity | 115 µΩ·cm | Approx. 69 ohm-cmil/ft | Approx. 20 °C |
| Modulus of Elasticity | Approx. 214 GPa | Approx. 31.0 x 103 ksi | Annealed, room temperature |
| Magnetic Permeability | Approx. 1.003 | Essentially non-magnetic | Room temperature, condition dependent |
Mechanical properties vary with product form, size, processing route and heat treatment. The table below summarizes commonly referenced nominal values for material selection.
| Product Form / Condition | Tensile Strength | Yield Strength, 0.2% | Elongation | Hardness |
|---|---|---|---|---|
| Plate, sheet and strip – annealed | 550-750 MPa | 205-350 MPa | 30-45% | 150-220 HB |
| Rod and bar – annealed | 550-760 MPa | 205-345 MPa | 30-45% | 150-220 HB |
| Rod and bar – cold worked | 760-1035 MPa | 550-900 MPa | 10-25% | 220-300 HB |
| Seamless pipe and tube – annealed | 550-760 MPa | 205-345 MPa | 30-45% | By specification |
| Wire – annealed | 550-760 MPa | 205-345 MPa | 30-45% | By specification |
| Forgings – annealed | 550-760 MPa | 205-345 MPa | 30-45% | By specification |
For pressure equipment, aerospace parts or project-specific acceptance, use the minimum requirements in the specified ASTM, ASME, AMS, EN or customer drawing rather than nominal values.
YSN128 can quote Alloy 625 products according to ASTM, ASME, AMS, EN, DIN, ISO or customer drawing requirements. Certificate scope can be matched to the purchase order.
| Product Form | Common Standards | Typical Supply Item | Certificate / Inspection |
|---|---|---|---|
| Plate, Sheet, Strip | ASTM B168 / ASME SB168, EN 10095, DIN 17750 | Hot rolled plate, cold rolled sheet, strip and cut blanks | EN10204 3.1, chemical and mechanical test |
| Rod, Bar, Wire | ASTM B166 / ASME SB166, AMS 5715, ISO 9723, ISO 9724 | Round bar, rod, wire and wire rod | MTC, PMI and dimensional inspection |
| Seamless Pipe & Tube | ASTM B167 / ASME SB167, ISO 6207 | Seamless pipe, tube and heat exchanger tube | Hydrotest, eddy current test and MTC |
| Forgings | ASTM B564 / ASME SB564, DIN 17754 | Rings, discs, blocks and custom forgings | Heat treatment record, UT and MTC |
| Fittings | ASTM B366 / ASME SB366 | Elbows, tees, reducers, caps and special fittings | PMI, dimensional inspection and MTC |
| Welding Products | AWS A5.14 ERNiCr-3, AWS A5.11 ENiCrFe-3 | Welding wire, electrodes and repair welding products | Mill certificate and welding inspection |
Review available product forms, size ranges, standards and delivery options for this alloy.
| Form | Common Size Range | Delivery Condition | Typical Applications | Page Link |
|---|---|---|---|---|
| Pipe & Tube | OD 6-610 mm, wall thickness 0.5-50 mm; larger welded sizes on request | Seamless or welded, solution annealed, pickled or bright annealed | Radiant tubes, thermocouple protection tubes, furnace piping and combustion systems | View Pipe & Tube |
| Round Bar | Diameter 3-350 mm, custom cut lengths and larger forged sizes on request | Hot rolled, forged, solution annealed, peeled, ground or polished | Furnace rolls, burner components, support fixtures and high-temperature machined parts | View Round Bar |
| Sheet & Plate | Thickness 0.5-100 mm, custom widths, lengths and cut profiles available | Hot or cold rolled, solution annealed, pickled, polished or descaled | Furnace linings, heat shields, combustion chambers, annealing covers and catalyst-grid supports | View Sheet & Plate |
| Strip & Foil | Thickness 0.02-3 mm, custom slit widths, coil weights and tolerances available | Cold rolled, solution annealed, bright finished, slit edge or mill edge | High-temperature seals, thermal barriers, flexible furnace parts and oxidation-resistant components | View Strip & Foil |
| Wire | Diameter 0.1-12 mm, supplied in coil, spool or straight length | Cold drawn, solution annealed, bright finished, pickled or polished | Furnace baskets, woven mesh, heating-system supports and high-temperature springs | View Wire |
| Fasteners | M3-M64 and equivalent imperial sizes; non-standard dimensions to drawing | Solution annealed, machined or cold formed, rolled or cut thread | Furnace assemblies, heat-treatment fixtures, burner systems and thermal-processing equipment | View Fasteners |
| Fittings | NPS 1/2-24 in.; larger fabricated fittings and custom dimensions on request | Seamless, welded or fabricated, solution annealed, pickled and machined | Furnace piping, petrochemical process heaters and high-temperature gas-handling systems | View Fittings |
| Flanges | NPS 1/2-24 in., Class 150-2500; larger or drawing-based sizes on request | Forged or plate machined, solution annealed, finished machined and inspected | High-temperature process piping, industrial furnaces and combustion equipment | View Flanges |
| Forgings | Rings, discs, blocks and shafts manufactured to drawing; size subject to mill capability | Open-die or closed-die forged, solution annealed, rough or finish machined | Furnace rolls, burner nozzles, retorts, support rings and high-temperature structural parts | View Forgings |
| Welding Wire | Diameter 0.8-4 mm, supplied on spool, in coil or as straight TIG rods | Precision drawn, clean bright finish and controlled surface condition | Joining Alloy 601 components, high-temperature repair welding and oxidation-resistant overlays | View Welding Wire |
This guide helps buyers connect service conditions with the typical advantage of Alloy 625. Final selection should consider medium concentration, temperature, pressure, fabrication, availability and budget.
| Service Requirement | Why Alloy 601 Helps | Common Product Form | Buyer Note |
|---|---|---|---|
| High-temperature oxidation | Chromium and aluminum form a stable protective oxide scale at elevated temperatures. | Sheet, plate, strip, bar and tube | Confirm operating temperature, thermal cycling and atmosphere. |
| Furnace and heat-treatment equipment | Maintains useful strength and oxidation resistance in furnace atmospheres. | Radiant tube, furnace tray, basket and fabricated sheet | Specify temperature, load and expected service life. |
| Carburizing or nitriding environments | Offers good resistance to carburization, nitriding and oxidizing process gases. | Tube, plate, bar and fabricated assemblies | Provide gas composition, carbon activity and cycle details. |
| Petrochemical and chemical processing | Resists oxidation and hot corrosion in selected chemical process conditions. | Pipe, tube, plate, fittings and forgings | Check concentration, pressure, temperature and contaminants. |
| Thermal cycling | Good metallurgical stability supports repeated heating and cooling cycles. | Sheet, strip, tube and fabricated parts | Review heating rate, cooling rate and joint design. |
| Welded high-temperature fabrication | Can be welded using suitable nickel alloy procedures and compatible filler metals. | Plate, sheet, pipe and tube | Control cleanliness, heat input and post-weld inspection. |
For ranking traffic, buyers need more than a data sheet. This section gives clear trust signals for procurement, engineering and quality teams.
Quotation can be matched to project standards and product form specifications.
Heat number, chemistry, mechanical properties and inspection records can be supplied.
PMI, UT, dimensional inspection, visual inspection and packing check are available.
Cutting, machining allowance, rough machining and drawing-based supply can be arranged.
Wooden case, bundle, waterproof protection and international shipping documents.
Send grade, size, standard, quantity and destination for a practical quotation route.
Find practical answers about procurement, standards, fabrication and industrial applications.
Inconel 601 is mainly used for furnace equipment, radiant tubes, heat-treatment baskets, petrochemical processing equipment, thermal processing fixtures, combustion components and high-temperature fabricated parts.
Yes. UNS N06601 is the standardized UNS designation for Inconel 601. The alloy may also be identified as Alloy 601, Nickel Alloy 601, W.Nr. 2.4851 or NiCr23Fe.
YSN128 can quote plate, sheet, strip, round bar, rod, wire, seamless pipe, seamless tube, forgings, flanges and fittings. Cutting, machining allowance and drawing-based supply can be discussed.
Common standards include ASTM B168 for plate and sheet, ASTM B166 for rod and bar, ASTM B167 for seamless pipe and tube, ASTM B564 for forgings, ASTM B366 for fittings, AMS 5715, EN 10095 and related ASME specifications.
Yes. Alloy 601 can be welded with suitable nickel alloy welding procedures, clean joint surfaces, controlled heat input and compatible filler metals such as ERNiCr-3. The final welding procedure should follow the project specification.
Yes. EN10204 3.1 material certificates can be supplied on request, including heat number, chemical composition, mechanical test results, heat treatment information and inspection records.
Please send the grade or UNS number, product form, dimensions, quantity, applicable standard, delivery condition, certificate requirements, destination and service temperature. Drawings and inspection requirements are also welcome.
Send your required grade, product form, size, quantity, standard, certificate and destination. We will help check availability, production route, inspection scope and practical delivery plan.
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