What Are Inconel 690 Fasteners?
Nickel-chromium alloy fastening items, known as Inconel 690 Fasteners are fabricated from Alloy 690 (UNS N06690/W. Nr. 2.4642), which exhibit outstanding resistance to oxidation, carburization, sulfur environments and chloride stress corrosion cracking. Incoloy 690 fasteners are predominantly utilized in nuclear power plants, the chemical processing industries, high temperature furnaces, marine applications, and other industrial process equipment where the typical stainless steel fasteners might prove unsuitable due to service conditions.
Inconel Alloy 690 (UNS N06690/W. Nr. 2.4642) Fasteners
Inconel 690 Fasteners are special nickel-chromium alloy fasteners which can be used in very high temperatures and have great resistance to oxidation, corrosion and stress corrosion cracking. Inconel 690 fasteners are made of Inconel Alloy 690 (UNS N06690/W. Nr. 2.4642) forged and manufactured fasteners. These fasteners are used in nuclear power plants, chemical processing plants and heat treatment equipment, to marine and pollution control systems.
We are manufacturer & suppliers of wide range of Alloy 690 Fasteners like; Inconel 690 Bolts, Inconel 690 Hex Nuts, Inconel 690 Washers, UNS N06690 Stud Bolts, Alloy 690 Threaded Rods, Inconel 690 Socket Head Cap Screws, Alloy 690 Heavy Hex Nuts and Inconel 690 Anchor Bolts. Our fasteners meet stringent International standards and quality assurance standards for durability and effectiveness in all demanding applications.
What is Inconel Alloy 690?
Inconel alloy 690 is a high-chromium nickel-based alloy, the primary development of which was driven by the requirement for outstanding resistance to highly aggressive media, high temperature oxidation. Through the high content (approximately 30%) of chromium, an enhanced resistance to stress corrosion cracking, beyond that achieved by a number of common nickel alloys, is established.
The mechanical strength of this alloy combined with its excellent corrosion resistance at higher temperatures ensure its appropriateness for use in severe, critical fastening applications.
Salient features of the characteristics of Nickel Alloy 690 fasteners include:
- Superior oxidation resistance at temperatures of up to 1100°C
- Superior resistance to chloride stress corrosion cracking
- Superior resistance to high temperature corrosion
- Superior mechanical strength
- Good fabrication characteristics and weldability
- Long service life in aggressive environments
- Resistance to sulfur-containing atmospheres
Table of Contents
- ➤ Inconel Alloy 690 (UNS N06690/W. Nr. 2.4642) Fasteners
- ➤ What is Inconel Alloy 690?
- ➤ Types of Inconel 690 Fasteners We Supply
- ➤ ASTM B366 Inconel 690 Fasteners Specifications
- ➤ Manufacturing Process of Inconel 690 Fasteners
- ➤ Advantages of Inconel 690 Fasteners
- ➤ Inconel 690 Fasteners Chemical Composition
- ➤ Mechanical Properties of Inconel Alloy 690 Fasteners
- ➤ Applications of Inconel 690 Fasteners
- ➤ What are the advantages of choosing our Inconel 690 Fasteners?
Types of Inconel 690 Fasteners We Supply
We offer a complete range of ASTM B366 Inconel 690 Fasteners in standard and customized dimensions.
➤ Inconel 690 Bolts
Ideal fastening solutions with high strength for pressure vessels, piping systems and industrial assemblies.
➤ Inconel 690 Hex Nuts
Accurately machined nuts giving secure fastening in hostile atmospheres.
➤ Inconel 690 Washers
To distribute load equally over joint faces and to prevent surface damage.
➤ UNS N06690 Stud Bolts
These are used typically in flange connections, pressure vessels, heat exchangers and refinery equipment.
➤ Alloy 690 Threaded Rods
Recommended for use in structural assemblies, anchorages and substantial installations.
➤ Inconel 690 Socket Head Cap Screws
A high torque fastener, allowing easier assembly procedures where applicable.
➤ Alloy 690 Heavy Hex Nuts
Designed for high-pressure, high-temperature applications.
➤ Inconel 690 Anchor Bolts
Widely used in construction, power generation, and industrial equipment installations.
➤ ASME SB166 Alloy 690 Bolts
Produced according to international standards for critical industrial fastening applications.
ASTM B366 Inconel 690 Fasteners Specifications
| Specification | Details |
|---|---|
| Material Grade | Inconel Alloy 690 |
| UNS Number | UNS N06690 |
| Werkstoff Number | W.Nr. 2.4642 |
| Standard | ASTM B366 Inconel 690 Fasteners |
| Equivalent Standards | ASME SB-160 / 164 / 574 Incoloy UNS N06690 Bolts |
| Form | Bolts, Nuts, Washers, Screws, Studs, Threaded Rods |
| Size Range | M3 to M100, Custom Sizes Available |
| Thread Type | Metric, UNC, UNF, BSW |
| Manufacturing Process | Hot Forged, Cold Forged, CNC Machined |
| Surface Finish | Plain, Polished, Passivated |
Manufacturing Process of Inconel 690 Fasteners
Our manufacturing process is developed for dimension, mechanical soundness, and durability for a long service life.
- Raw Materials Sourcing: High quality Inconel Alloy 690 (UNS N06690/W. Nr. 2.4642) raw materials are selected from certified mills.
- Forging: Fasteners are manufactured by hot forging or cold forging based on size and use.
- Machining: State-of-the-art CNC machining processes guarantee the accuracy of threads and precise dimensions.
- Heat Treatment: Proper heat treatment procedures are carried out to enhance the mechanical performance and resistance to corrosion.
- Inspection & Testing: Every lot of fasteners receives dimensional check, chemical analysis, mechanical test, and visual check prior to shipment.
Advantages of Inconel 690 Fasteners
Industries choose W.Nr. 2.4642 fasteners because of their exceptional performance advantages:
- Superior corrosion resistance
- Excellent oxidation resistance
- High tensile strength
- Resistance to stress corrosion cracking
- Outstanding thermal stability
- Excellent creep resistance
- Long service life
- Reduced maintenance costs
- Reliable performance in aggressive environments
- Suitable for critical applications
Inconel 690 Fasteners Chemical Composition
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | 58.0 Min |
| Chromium (Cr) | 27.0 – 31.0 |
| Iron (Fe) | 7.0 – 11.0 |
| Manganese (Mn) | 0.50 Max |
| Silicon (Si) | 0.50 Max |
| Carbon (C) | 0.05 Max |
| Sulfur (S) | 0.015 Max |
| Copper (Cu) | 0.50 Max |
Mechanical Properties of Inconel Alloy 690 Fasteners
| Property | Value |
|---|---|
| Tensile Strength | 586 MPa (85 ksi) Min |
| Yield Strength (0.2% Offset) | 241 MPa (35 ksi) Min |
| Elongation | 30% Min |
| Density | 8.19 g/cm³ |
| Melting Range | 1343–1377°C |
| Hardness | Approx. 85 HRB |
Applications of Inconel 690 Fasteners
What are the advantages of choosing our Inconel 690 Fasteners?
For any requirement of Inconel 690 fasteners quality, traceable products and reliability are vital. We dedicated to supplying standard products satisfying global industrial needs and specifications.
Our Advantages:
- Wide stock range of Alloy 690 fasteners
- Customized fabrication capacity
- Third party inspection is available
- Competitive price
- Fast delivery worldwide
- Mill Test Certificates are available
- Rigorous quality management system
- Professional technical guidance from expert engineer
- Conformance to ASTM, ASME, DIN and ISO standards
Related Inconel Fasteners Grades
- Inconel 600 Fasteners
- Inconel 601 Fasteners
- Inconel 602ca Fasteners
- Inconel 617 Fasteners
- Inconel 622 Fasteners
- Inconel 625 Fasteners
- Inconel 686 Fasteners
- Inconel 690 Fasteners
- Inconel 713c Fasteners
- Inconel 718 Fasteners
- Inconel 725 Fasteners
- Inconel 901 Fasteners
- Inconel 925 Fasteners
- Inconel 926 Fasteners
- Inconel X750 Fasteners
Frequently Asked Questions
Request Your Inconel 690 Fasteners Quote Today!
