Inconel 601 Flanges Supplier & Exporter
Amardeep Steel Centre is a trusted supplier and exporter of Inconel 601 flanges, also supplied as alloy 601 flanges (UNS N06601 / DIN 2.4851). This nickel-chromium-aluminium superalloy is used for furnace systems, heat treating equipment, thermal processing lines and chemical processing plants because of its excellent resistance to high-temperature oxidation up to 1200°C. We have all types, sizes of pipe (1/2” to 48”) and pressure classes available per ASME B16.5. Our full line of Inconel 601 products encompass Inconel flanges, Inconel 601 buttweld fittings, and Inconel 601 fasteners to provide you with full temperature solution pipe parts.
Table of Contents
- Inconel 601 Flanges Supplier & Exporter
- Inconel 601 Flanges Specifications
- Types of Inconel 601 Flanges
- ASTM B564 Inconel 601 Flanges Equivalent Grades
- Inconel 601 Flanges Chemical Composition
- Inconel 601 Flanges Mechanical and Physical Properties
- Oxidation Resistance and High-Temperature Performance
- Application Industries
- Pressure Rating
- Size Chart
- Wall Thickness
- Outside Diameter
- Dimension Chart
- Tolerance of Alloy 601 Flanges
- Inspection and Testing
- Frequently Asked Questions
- Request a Quote
- Related Products
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Inconel 601 Flanges Specifications
| Specification | Details |
|---|---|
| Nickel Alloy 601 Flanges Standard Sizes | Schedule: Sch 5 to XXS NPS: 1/2" to 48" Class: 150 to 2500# |
| ASTM B564 UNS N06601 Flange Face | FF RF RTJ |
| Nickel Alloy 601 Flanges Thread | FNPT, NPT BSPT MNPT BSPP |
| Inconel 601 Flanges Testing | Pressure Test Tensile Test PMI Test Hardness Test |
| Nickel Alloy 601 Flanges Supporting Material | Gaskets Flange Bolts Ring Joint |
| Alloy 601 Flanges Physical Properties | Density: 8.1 g/cm3 Melting Point: 1411°C or 2571°F Temperature Range: 600°F - 2250°F (870°C - 1230°C) |
| Inconel 601 Flanges Standards | ASTM B564 / ASME SB564 UNS N06601 WNR 2.4851 Life Span: 70 Years |
| ASTM B564 UNS N06601 Blind Flanges Origin | Japanese Indian Korean European American |
| ASTM B564 Inconel 601 Flanges Fulfill | NACE MR0175 / MR0103 ISO 15156 Sour Service |
| Inconel N06601 Flange Process | Forging Casting Rolling |
| ASTM B564 N06601 Flange Surface Finish | Spiral Finish Concentric Finish Mirror Finish Serrated Finish Smooth Finish |
| Inconel 601 Slip On Flanges Types | Blind Flange Weld Neck Flange Slip On Flange etc. |
| Inconel Alloy 601 Blind Flanges Documentation | MTC 100% Radiography Test Report Third Party Inspection |
| Alloy 601 Weld Neck Flanges Dimensional Standards | ASME B16.47 Series A & B MSS SP44 ASME B16.5 |
| AMS 5715 Socket Weld Flanges Application | Wire Rope Industrial Pressure Vessels Propeller Blades Industrial Piping Connection |
| Nickel Alloy 601 Tongue and Groove Flanges Packaging | Bubble Wrap Plastic Bags Anti-tarnish Paper Plastic Wrap |
Inconel 601 Flanges Chemical Composition
The following chemical composition applies to ASTM B564 UNS N06601 flanges. The elevated nickel and chromium content, combined with aluminum additions, provides the outstanding oxidation resistance that defines this alloy:
| Grade | Ni | Cr | Fe | Al | C | Mn | Si | S |
|---|---|---|---|---|---|---|---|---|
| Inconel 601 | 58.0-63.0 | 21.0-25.0 | Balance | 1.0-1.7 | 0.10 max | 1.00 max | 0.50 max | 0.015 max |
Inconel 601 Flanges Mechanical and Physical Properties
| Grade | Density | Melting Point | Tensile Strength | Yield Strength (0.2%) | Elongation |
|---|---|---|---|---|---|
| Inconel 601 | 8.11 g/cm3 | 1301-1411°C (2374-2571°F) | 550 MPa (80,000 psi) | 205 MPa (30,000 psi) | 30% |
Types of Inconel 601 Flanges
We supply the complete range of ASTM B564 Inconel 601 flanges (UNS N06601) across all standard types conforming to ASME B16.5 and B16.47:
ASTM B564 Inconel 601 Flanges Equivalent Grades
| Standard | Werkstoff Nr. | UNS | JIS | BS | GOST | AFNOR | EN |
|---|---|---|---|---|---|---|---|
| Inconel 601 | 2.4851 | N06601 | NCF 601 | NA 49 | XH60BT | NC23FeA | NiCr23Fe |
Oxidation Resistance and High-Temperature Performance of Inconel 601 Flanges
Inconel 601 is specifically formulated for high-temperature oxidation resistance. The aluminum content (1.0 to 1.7%) creates a tightly adherent oxide film at elevated temperatures, which significantly reduces further oxidation scaling. This makes ASTM B564 Inconel 601 flanges the preferred choice wherever thermal cycling, intermittent heating, or sustained high-temperature service above 900°C is a design requirement.
Key high-temperature performance characteristics of UNS N06601 flanges:
- Resists oxidation and carburization in air up to 1200°C (2200°F)
- Protective alumina (Al2O3) scale forms rapidly, limiting further oxidation even under cyclic thermal conditions
- Maintains structural integrity and load-bearing capacity at sustained service temperatures up to 1093°C
- Resistant to nitriding atmospheres encountered in ammonia-based heat treating furnaces
- Suitable for reducing and oxidizing atmospheres in industrial furnaces and kilns
- Excellent resistance to sulfidation and carburizing environments
- Retains adequate room-temperature mechanical properties after prolonged high-temperature exposure
Compared to Inconel 600, Alloy 601 flanges provide significantly improved oxidation resistance at temperatures above 1000°C due to the aluminum addition, which is the critical differentiator for furnace and thermal processing buyers.
Application Industries of Inconel 601 Flanges
ASTM B564 UNS N06601 flanges are specified in high-temperature service environments across the following industries:
- Petrochemical Industry
- Oil and Gas Industry
- Chemical Industry
- Power Generation Industry
- Pharmaceutical Industry
- Pulp and Paper Industry
- Food Processing Industry
- Fertilizers and Sugar Industry
- Gas Processing Industry
- Aerospace Industry
- Pollution Control Industry
Inconel 601 Flanges Pressure Rating
| Class | 800°F | 600°F | 400°F | 200°F | 100°F |
|---|---|---|---|---|---|
| 300 | 430 | 515 | 600 | 675 | 740 |
| 150 | 170 | 200 | 230 | 260 | 285 |
| 900 | 1290 | 1545 | 1800 | 2025 | 2220 |
| 600 | 860 | 1030 | 1200 | 1350 | 1480 |
| 2500 | 3575 | 4290 | 5000 | 5625 | 6170 |
| 1500 | 2145 | 2575 | 3000 | 3375 | 3705 |
Inconel 601 Flanges Dimension Chart
| NPS (in) | O.D (in) | B.C.D (in) | No. of Bolt Holes | Bolt Size (in) | W.T (in) |
|---|---|---|---|---|---|
| 1/2 | 3.50 | 2.25 | 4 | 5/8 | 0.30 |
| 1/2 | 3.88 | 2.75 | 4 | 5/8 | 0.34 |
| 1 | 4.25 | 2.75 | 4 | 5/8 | 0.34 |
| 1 | 4.62 | 3.25 | 4 | 5/8 | 0.34 |
| 2 | 6.00 | 4.00 | 4 | 3/4 | 0.30 |
| 2 | 6.50 | 4.50 | 4 | 3/4 | 0.40 |
| 4 | 9.00 | 6.00 | 8 | 7/8 | 0.50 |
| 4 | 10.00 | 7.00 | 8 | 7/8 | 0.60 |
| 6 | 11.00 | 7.50 | 8 | 7/8 | 0.56 |
| 6 | 12.00 | 8.00 | 8 | 7/8 | 0.68 |
| 8 | 13.50 | 9.00 | 8 | 7/8 | 0.62 |
| 8 | - | 9.50 | 8 | 7/8 | 0.75 |
| 10 | 16.00 | 10.50 | 8 | 7/8 | 0.75 |
| 10 | - | 11.00 | 8 | 7/8 | 0.88 |
| 12 | 18.00 | 12.00 | 8 | 7/8 | 0.81 |
| 12 | - | 12.50 | 8 | 7/8 | 0.94 |
Dimensions per ASME B16.5. Class 150 and Class 300 rows are listed by NPS. Full dimensional charts for Class 600 to 2500, ASME B16.47 Series A & B, and DIN/ISO standards are available on request.
Tolerance of Alloy 601 Flanges
| Inconel Flanges | OD | ID | Diam. of contact face | Drilling |
|---|---|---|---|---|
| Tolerance | OD is over 24": +/-1/8" OD is 24" or less: +/-1/16" | 12" thru 18": +1/8" 20" and larger: -1/16" 10" and smaller: +/-1/32" | 1/4" RF, T/G: +/-1/64" 1/16" raised face: +/-1/32" | Bolts hole spacing: +/-1/32" Circle Bolts: +/-1/16" |
Inspection and Testing of Inconel 601 Flanges
All Inconel 601 flanges are subject to rigorous inspection and testing before dispatch. Standard procedures include:
- Chemical Analysis
- Mechanical Testing
- Hardness Test
- Dimensional Inspection
- Visual Inspection
- Hydrostatic / Pneumatic Test
- Intergranular Corrosion Test
- Radiography / Ultrasonic Test
- PMI (Positive Material ID)
- Third Party Inspection
Frequently Asked Questions
What is the standard for Inconel 601 flanges?
ASTM B564 / ASME SB564 covers UNS N06601 forged nickel alloys including Inconel 601 flanges. Dimensions follow ASME B16.5 or B16.47.
What temperature can Inconel 601 flanges withstand?
Inconel 601 flanges resist oxidation up to 1200°C (2200°F), making them suitable for furnace, kiln, and thermal processing service.
What sizes are available in ASTM B564 N06601 flanges?
We stock sizes from 1/2" NB to 60" NB in pressure classes 150# to 2500# as per ASME B16.5, B16.47 Series A & B, and DIN standards.
What is the difference between Inconel 601 and 625 flanges?
Alloy 601 has higher aluminum content for superior oxidation resistance. Alloy 625 offers better corrosion resistance in chloride-rich and seawater environments.
Do you provide MTC for Inconel 601 flanges?
Yes. We provide EN 10204/3.1 or 3.2 Mill Test Certificates, NACE MR0175 / MR0103 compliance, and third-party inspection reports on request.
Which industries use UNS N06601 flanges?
Furnace construction, heat treating, chemical processing, power generation, petrochemical plants, industrial heating, and aerospace industries rely on N06601 flanges.
Request a Quote for Inconel 601 Flanges
We supply ASTM B564 Inconel 601 flanges (UNS N06601) in all types, sizes, and pressure classes with full MTC documentation. Contact our sales team for pricing, availability, and third-party inspection arrangements.
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