Table of Contents
- Inconel 600 / 601 Overview
- Technical Specifications
- Chemical Composition & Mechanical Properties
- Types of UNS N06600 / UNS N06601 Hex Bars
- Key Advantages of Inconel 600 / 601 Hex Bar
- Key Applications of Inconel 600 / 601 Hex Bar
- Quality Assurance & Inspection
- Global Export Markets
- Frequently Asked Questions
- Contact Details
Inconel 600 / 601 Overview
Aurum Overseas is a premier Inconel 600 Hex Bars Supplier and Inconel 601 Hex Bars Supplier offering nickel-chromium bars for extreme temperatures. Our UNS N06600 Hex Bars eliminate chloride stress cracking with 72% minimum nickel, while UNS N06601 Hex Bars form a protective oxide scale up to 1250 °C.
As a trusted Inconel 600 Hex Bars Exporter and Inconel 601 Hex Bars Exporter, we supply precision UNS N06600 / UNS N06601 Bright Hex Bars for fastener machining and heavy UNS N06600 / UNS N06601 Forged Hex Bars for structural fittings. Every order features solution-annealed stock, EN 10204 3.1 mill test certificates, and custom cut-to-length sawing.
We deliver certified nickel-chromium hex bar stock to thermal processing, aerospace, nuclear, and petrochemical facilities across the USA, Germany, UK, UAE, Saudi Arabia, and global markets.
Technical Specifications
| Technical Parameter | Specification Standard |
|---|---|
| Material Specifications | ASTM B166, ASME SB166, EN 10088-3, ISO 9723 |
| UNS Designation | UNS N06600 (Inconel 600) / UNS N06601 (Inconel 601) |
| Across-Flats (AF) Size Range | 6.0 mm to 100.0 mm (1/4" to 4" Hexagon) |
| Length Options | 1,000 mm to 6,000 mm, Precision Sawing Cut-to-Length |
| Surface Finishes | Cold Drawn, Centerless Ground, Bright Annealed, Hot Forged, Rough Machined |
| Condition | Solution Annealed, Hot Worked, Cold Finished |
| Dimensional Tolerances | ASTM B166 / ISO 286-2 (h9, h10, h11 hex profile tolerances) |
Chemical Composition & Mechanical Properties
Equivalent Standards
| Standard | Werkstoff Nr. | UNS Designation | JIS | EN Symbol |
|---|---|---|---|---|
| Inconel 600 | 2.4816 | N06600 | NCF 600 | NiCr15Fe |
| Inconel 601 | 2.4851 | N06601 | NCF 601 | NiCr23Fe |
Chemical Composition (%)
| Element | Inconel 600 (UNS N06600) | Inconel 601 (UNS N06601) |
|---|---|---|
| Nickel (Ni) | 72.00 min | 58.0 – 63.0 |
| Chromium (Cr) | 14.00 – 17.00 | 21.0 – 25.0 |
| Iron (Fe) | 6.00 – 10.00 | Balance (Bal) |
| Carbon (C) | 0.15 max | 0.10 max |
| Manganese (Mn) | 1.00 max | 1.00 max |
| Silicon (Si) | 0.50 max | 0.50 max |
| Copper (Cu) | 0.50 max | 1.00 max |
| Sulfur (S) | 0.015 max | 0.015 max |
| Aluminum (Al) | - | 1.00 – 1.70 |
| Titanium (Ti) | - | 0.30 – 0.50 |
Mechanical & Physical Properties
| Property Parameter | Inconel 600 Metric (Imperial) | Inconel 601 Metric (Imperial) |
|---|---|---|
| Density | 8.47 g/cm³ (0.306 lb/in³) | 8.10 g/cm³ (0.293 lb/in³) |
| Melting Point | 1413 °C (2580 °F) | 1411 °C (2571 °F) |
| Tensile Strength (Min) | 655 MPa (95,000 Psi) | 550 MPa (80,000 Psi) |
| Yield Strength (0.2% Offset, Min) | 310 MPa (45,000 Psi) | 205 MPa (30,000 Psi) |
| Elongation (Min) | 40 % | 30 % |
Types of UNS N06600 / UNS N06601 Hex Bars
Aurum Overseas supplies Inconel 600 and Inconel 601 hex bars in precision bright and heavy forged conditions for extreme temperature and corrosive environments.
UNS N06600 / UNS N06601 Bright Hex Bars
UNS N06600 / UNS N06601 Forged Hex Bars
Key Advantages of Inconel 600 / 601 Hex Bar
Chloride Crack Immunity
High nickel content in UNS N06600 prevents stress corrosion cracking in high-purity water and caustic alkaline streams.
Extreme Thermal Scaling Resistance
Aluminum modification in UNS N06601 resists heavy oxidation and scale loss at service temperatures reaching 1250 °C.
Machinability in Hexagon Form
Uniform across-flats tolerances simplify work-holding in automatic lathes for manufacturing high-strength socket caps, bolts, and fittings.
Carburization and Nitriding Barrier
Resists carbon absorption and ammonia gas attack during thermal metal processing.
Key Applications of Inconel 600 / 601 Hex Bar
| Industry | Applications | Key Grade & Benefit |
|---|---|---|
| Nuclear Engineering | Control rod drive mechanisms, high-purity water piping hex plugs | Inconel 600: Resists high-purity water corrosion and stress cracking. |
| Heat Treating Furnaces | Retort tie rods, burner nozzles, radiant tube support hex pins | Inconel 601: Aluminum content prevents protective oxide spalling at 1250 °C. |
| Chemical Processing | High-temperature chlorination fittings, caustic evaporator shafts | Inconel 600: Resists dry chlorine and hot concentrated alkaline solutions. |
| Aerospace Propulsion | Jet engine igniter plugs, exhaust nozzle structural fasteners | Inconel 601: Retains creep-rupture strength under intense thermal cycles. |
Quality Assurance & Inspection
Every order dispatched by an established Inconel 600 Hex Bars Exporter and Inconel 601 Hex Bars Exporter undergoes strict non-destructive and destructive testing:
- Spectro Chemical Analysis: Positive Material Identification (PMI) to verify precise Ni, Cr, Fe, and Al chemistry.
- Mechanical Characterization: Tensile, yield, and elongation testing per ASTM B166 standards.
- Dimensional Profile Verification: Multi-axis micrometer checks to ensure tight across-flats tolerances on hex geometries.
Global Export Markets
As an established Inconel 600 / 601 Hex Bars Exporter, Aurum Overseas supplies fully certified UNS N06600 and UNS N06601 Hex Bars to global thermal and nuclear engineering centers:
USA
Canada
Mexico
Germany
United Kingdom
France
Italy
Netherlands
Belgium
Spain
Poland
UAE
Saudi Arabia
Qatar
Kuwait
Oman
Bahrain
Frequently Asked Questions
Inconel 600 (72% Ni min) is optimized for severe chemical and nuclear corrosion resistance, while Inconel 601 contains added aluminum (1.0–1.7%) and higher chromium for superior cyclic oxidation resistance up to 1250 °C.
Hex bars provide flat parallel surfaces across-flats, allowing direct machining of hex nuts, bolts, valve bonnets, and fluid connectors without requiring preliminary milling.
Inconel 601 offers improved resistance to oxidizing sulfur gases due to its higher chromium content, but performance degrades in strongly reducing sulfur environments.
These nickel-chromium hex bars are manufactured in strict compliance with ASTM B166 and ASME SB166 specifications.
Contact Details
Partner with a trusted Inconel 600 Hex Bars Supplier and Inconel 601 Hex Bars Supplier for certified stock, custom sawing, and rapid global logistics.