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Inox Steel India is a trusted manufacturer, supplier, and exporter of Nickel Alloy Bright Bars in grades Inconel 625 (UNS N06625) and Monel 400 (UNS N04400), supplying high-performance materials to industries operating under extreme temperature, pressure, and corrosive environments across India, GCC, Middle East, Africa, Europe, and the Americas.
Our nickel alloy bright bars are engineered for applications where exceptional corrosion resistance, high-temperature strength, and metallurgical stability are mandatory. Through precision cold drawing, peel turning, polishing, and centerless grinding, we ensure tight dimensional tolerances, smooth surface finish, and consistent mechanical properties, making these bars ideal for critical machining and high-integrity components.
Nickel Alloy Bright Bars are cold-finished solid bars produced from high-nickel superalloys and nickel-copper alloys, designed to perform reliably in environments where carbon steel and stainless steel fail.
Manufacturing Process Flow:
1️⃣ Alloy-Specific Raw Material Selection – Inconel 625 & Monel 400 billets
2️⃣ Hot Working / Forging – Initial bar shaping
3️⃣ Cold Drawing / Peeling – Improves dimensional accuracy and strength
4️⃣ Solution Annealing / Annealing – Stabilizes microstructure and corrosion resistance
5️⃣ Polishing / Centerless Grinding – Achieves superior surface finish and roundness
6️⃣ Final Inspection & Testing – Chemical, mechanical, PMI, and dimensional checks
This controlled process ensures nickel alloy bright bars that deliver long service life, resistance to aggressive media, and predictable machining performance.
Key Advantages of Nickel Alloy Bright Bars
✔ Outstanding resistance to corrosion, oxidation, and stress corrosion cracking
✔ High strength retained at elevated temperatures
✔ Excellent performance in marine, chemical, and offshore environments
✔ Tight dimensional tolerances (h8 / h9 / h10)
✔ Superior surface finish for precision machining
✔ Full traceability with certified test documentation
NICKEL ALLOY BRIGHT BARS – MASTER TECHNICAL DATA SHEET
Grades: Inconel 625 | Monel 400
| Parameter / Property | Inconel 625 Bright Bar (UNS N06625) | Monel 400 Bright Bar (UNS N04400) |
|---|---|---|
| Material Type | Nickel–Chromium–Molybdenum Alloy | Nickel–Copper Alloy |
| UNS Number | N06625 | N04400 |
| ASTM Standard | ASTM B446 / B564 | ASTM B164 / B564 |
| EN Equivalent | EN 2.4856 | EN 2.4360 / 2.4361 |
| DIN Equivalent | NiCr22Mo9Nb | NiCu30Fe |
| IS Standard | IS 15308 (Equivalent) | IS 15308 (Equivalent) |
| Manufacturing Process | Cold Drawn / Peeled / Polished / Centerless Ground | Cold Drawn / Peeled / Polished / Centerless Ground |
| Available Forms | Round, Square, Hex, Flat Bright Bars | Round, Square, Hex, Flat Bright Bars |
| Diameter Range (Round) | 5 – 150 mm | 5 – 150 mm |
| Square / Hex Size | 6 – 100 mm | 6 – 100 mm |
| Standard Length | 3 – 6 meters | 3 – 6 meters |
| Custom Cut Lengths | As per drawing / requirement | As per drawing / requirement |
| Tolerance | h8 / h9 / h10 | h8 / h9 / h10 |
| Supply Condition | Solution Annealed | Annealed |
| Tensile Strength (MPa) | ≥ 827 | ≥ 480 |
| Yield Strength (MPa) | ≥ 414 | ≥ 170 |
| Elongation (%) | ≥ 30 | ≥ 35 |
| Hardness (HB max) | ≤ 220 | ≤ 180 |
| Service Temperature Range | −196 °C to +980 °C | −196 °C to +550 °C |
| Carbon (C % max) | 0.10 | 0.30 |
| Nickel (Ni %) | ≥ 58 | ≥ 63 |
| Chromium (Cr %) | 20 – 23 | — |
| Molybdenum (Mo %) | 8 – 10 | — |
| Niobium (Nb %) | 3.15 – 4.15 | — |
| Copper (Cu %) | — | 28 – 34 |
| Corrosion Resistance | Excellent (Oxidation, Pitting, SCC) | Excellent (Seawater, Acids, Alkalis) |
| Machinability | Moderate | Good |
| Weldability | Excellent | Excellent |
| Surface Finish | Bright Cold Drawn / Polished / Centerless Ground | Bright Cold Drawn / Polished / Centerless Ground |
| Testing Performed | Chemical, Mechanical, PMI, UT | Chemical, Mechanical, PMI |
| Certification | EN 10204 3.1 / 3.2, ISO 9001 | EN 10204 3.1 / 3.2, ISO 9001 |
| HSN / HS Code | 7505 | 7505 |
| Typical Applications | Aerospace, Chemical Processing, Offshore, Heat Exchangers | Marine, Oil & Gas, Pumps, Valves |
| Packaging | HDPE Wrap / Wooden Pallets / Export Seaworthy | HDPE Wrap / Wooden Pallets / Export Seaworthy |
Both grades are supplied with EN 10204 3.1 / 3.2 certification, ensuring material authenticity and compliance with international standards.
Nickel Alloy Bright Bars supplied by Inox Steel India are designed for extreme operating conditions involving high temperatures, aggressive chemicals, seawater exposure, and high mechanical stress. Selection between Inconel 625 and Monel 400 depends on temperature range, corrosion severity, and service environment.
Grade-Wise Application Breakdown
INOX Steel India supplies nickel alloy bright bars in standard and custom dimensions to support OEMs and EPC projects.
High material value and precision sizing help minimize machining waste and optimize cost efficiency.
Surface Finish & Machining Performance
Machining Considerations:
✔ Controlled cutting speeds recommended
✔ Carbide tooling preferred
✔ Stable machining in solution-annealed / annealed condition
✔ Excellent surface integrity after machining
| Grade | Approx. Price (INR / kg – Ex-Mumbai) | Approx. Price (USD / kg – FOB India) |
|---|---|---|
| Inconel 625 | ₹ 3,200 – ₹ 4,800 | $ 38.50 – $ 57.75 |
| Monel 400 | ₹ 1,800 – ₹ 2,700 | $ 21.65 – $ 32.50 |
Prices are indicative and vary based on size, finish, tolerance, and certification requirements.
HSN / HS Code
Testing & Quality Assurance
Every nickel alloy bright bar supplied by Inox Steel India undergoes stringent quality checks to ensure reliability in critical applications:
All supplies are delivered with EN 10204 3.1 / 3.2 Mill Test Certificates, ensuring full traceability.
Inox Steel India is a dependable manufacturer, supplier, and exporter of Nickel Alloy Bright Bars, delivering high-performance materials for the most demanding industrial environments. Our Inconel 625 and Monel 400 bright bars are trusted worldwide for their corrosion resistance, high-temperature stability, and metallurgical reliability.
Our Key Strengths:
✅ Manufacturer & bulk stockholder
✅ Grades: Inconel 625 & Monel 400
✅ Precision finishes: Cold drawn, polished, centerless ground
✅ Tight tolerances: h8 / h9 / h10
✅ Solution annealed / annealed supply condition
✅ EN 10204 3.1 / 3.2 certification
✅ Competitive INR & USD pricing
✅ Export-grade packing & documentation
Industries & Applications We Serve
| Industry | Typical Components | Preferred Grade |
|---|---|---|
| Aerospace | Engine parts, fasteners | Inconel 625 |
| Oil & Gas | Valves, connectors, pump parts | Inconel 625 / Monel 400 |
| Marine | Shafts, seawater fittings | Monel 400 |
| Chemical Processing | Heat exchangers, reactors | Inconel 625 |
| Power & Energy | High-temperature components | Inconel 625 |
Each application is supported with correct grade selection, machining guidance, and certification compliance.
All nickel alloy bright bars are packed to meet international export standards:
Export Destinations:
UAE · Saudi Arabia · Oman · Qatar · Nigeria · South Africa · Germany · Italy · UK · USA · Brazil
Ports of Dispatch:
JNPT (Mumbai) · Mundra · Hazira
Monel 400 is widely used in marine and seawater environments, pumps, valves, and oil & gas components.
Yes, both Inconel 625 and Monel 400 have excellent weldability when proper procedures are followed.
The standard HSN code is 7505.
Yes, we supply custom cut lengths as per drawing and machining allowance.
Yes, Inox Steel India exports nickel alloy bright bars globally with full documentation and certification.