Inconel 660 Wire – Alloy 660 A286 UNS S66286 High Temperature Alloy Wire
Product Short Description
Inconel 660 Wire, also known as Alloy 660 Wire, A286 Wire, UNS S66286 Wire and ASTM A453 Grade 660 Wire, is a precipitation-hardened iron-nickel-chromium alloy wire designed for high-temperature strength, oxidation resistance and reliable mechanical performance. It is widely used in high-temperature fasteners, springs, aerospace components, petrochemical equipment, turbine parts and precision industrial applications.
SASA ALLOY supplies Inconel 660 wire in customized diameter, surface condition, coil weight, spool packing and straight length according to customer requirements. Products can be supplied with chemical composition analysis, mechanical testing, PMI testing, dimensional inspection, surface inspection, EN 10204 3.1 material certificate and full heat number traceability.
- Product Name: Inconel 660 Wire – Alloy 660 A286 UNS S66286 High Temperature Alloy Wire
- Material Grade: Inconel 660 / Alloy 660 / A286 / UNS S66286 / ASTM A453 Grade 660
- Product Type: High Temperature Precipitation-Hardened Alloy Wire
- Main Feature: High-temperature strength, oxidation resistance and stable mechanical properties
- Applications: High-temperature fasteners, springs, aerospace, petrochemical, turbine and industrial components
Product Parameters
| Item | Specification |
|---|---|
| Product Name | Inconel 660 Wire |
| Material Grade | Inconel 660 / Alloy 660 / A286 / UNS S66286 / ASTM A453 Grade 660 |
| Material Type | Iron-Nickel-Chromium Precipitation-Hardened High Temperature Alloy |
| Product Form | Wire, Fine Wire, Spring Wire, Straight Wire, Coil Wire, Spool Wire |
| Diameter | 0.1 mm – 12 mm or customized |
| Length | Coil, Spool, Straight Length or Cut-to-Length |
| Surface Condition | Bright, Pickled, Annealed, Cold Drawn, Polished |
| Condition | Solution Treated, Aged, Cold Drawn, Annealed or as required |
| Standard | ASTM A453, ASTM A638, AMS, UNS, EN, DIN, JIS, GB or customer specification |
| Inspection | Chemical Analysis, Mechanical Test, PMI Test, Diameter Inspection, Surface Inspection |
| Certificate | EN 10204 3.1 Material Certificate available |
| Processing Service | Cutting, Straightening, Coil Packing, Spool Packing, Customized Length |
Chemical Composition
The chemical composition of Inconel 660 Wire is controlled to provide high-temperature strength, oxidation resistance and precipitation-hardening performance. The following values are for general reference only. Final composition should be confirmed according to the applicable standard, purchase order and mill test certificate.
| Element | C | Mn | Si | P | S | Cr | Ni | Mo | Ti | Al | V | B | Fe |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Content % | ≤0.08 | ≤2.00 | ≤1.00 | ≤0.040 | ≤0.030 | 13.50 – 16.00 | 24.00 – 27.00 | 1.00 – 1.50 | 1.90 – 2.35 | ≤0.35 | 0.10 – 0.50 | 0.001 – 0.010 | Balance |
Mechanical Properties
Mechanical properties of Inconel 660 Wire may vary depending on diameter, heat treatment condition, cold drawing ratio and final application requirements. SASA ALLOY can provide mechanical test reports according to customer specifications.
| Condition | Tensile Strength | Yield Strength | Elongation | Hardness | Typical Use |
|---|---|---|---|---|---|
| Solution Treated + Aged | 895 MPa min | 590 MPa min | 15% min | According to requirement | High-temperature fasteners and industrial components |
| Cold Drawn / Spring Condition | According to wire diameter and order | According to wire diameter and order | According to order | According to order | Spring wire, precision wire and custom components |
| Annealed Condition | According to standard | According to standard | Good ductility | Lower hardness | Forming, bending and further processing |
Note: For critical applications, final mechanical properties should be confirmed by standard, product diameter, heat treatment condition and mill test certificate.
Common Size Table
| Wire Type | Diameter Range | Surface | Packing | Availability |
|---|---|---|---|---|
| Fine Wire | 0.1 – 0.5 mm | Bright / Annealed | Spool / Small Coil | Production / Customized |
| Spring Wire | 0.5 – 3.0 mm | Bright / Cold Drawn | Coil / Spool | Production |
| Industrial Wire | 3.0 – 6.0 mm | Pickled / Bright / Polished | Coil / Bundle | Production |
| Straight Wire / Rod Wire | 6.0 – 12 mm | Pickled / Polished / Ground | Straight Length / Bundle | Made to Order |
Different Specifications Comparison
| Type | Condition | Typical Surface | Typical Use |
|---|---|---|---|
| Inconel 660 Fine Wire | Annealed / Cold Drawn | Bright | Precision components, small springs and fine wire applications |
| Inconel 660 Spring Wire | Cold Drawn / Aged | Bright / Polished | High-temperature springs and elastic components |
| Inconel 660 Straight Wire | Solution Treated / Aged | Pickled / Polished | Fasteners, pins, machined parts and industrial components |
| Inconel 660 Coil Wire | Annealed / Cold Drawn | Bright / Pickled | Continuous production, forming and custom fabrication |
Equivalent Standards and International Names
Inconel 660 Wire is commonly associated with Alloy 660 / A286 / UNS S66286 material. Customers from different markets may search for Inconel 660 Wire, Alloy 660 Wire, A286 Wire, ASTM A453 Grade 660 Wire or UNS S66286 Wire.
| Country / Standard | Common Name | Equivalent Grade |
|---|---|---|
| Commercial Name | Inconel 660 / Alloy 660 | High Temperature Precipitation-Hardened Alloy |
| UNS | UNS S66286 | A286 Alloy |
| ASTM | ASTM A453 Grade 660 | Grade 660 Alloy |
| ASTM | ASTM A638 Grade 660 | A286 Alloy |
| DIN / EN | 1.4980 | X6NiCrTiMoVB25-15-2 |
| JIS | SUH660 | A286 Equivalent |
| China | GH2132 / GH132 | A286 Equivalent |
Production Process Flow
The production process of Inconel 660 Wire requires strict control from raw material selection to final inspection. Proper melting, hot working, cold drawing, heat treatment and surface control are essential for stable mechanical performance and reliable high-temperature service.
| Process Step | Description | Quality Control Point |
|---|---|---|
| Raw Material Selection | Select qualified Alloy 660 / A286 raw material | Heat number, MTC and chemical composition |
| Cold Drawing | Wire drawing to required diameter and tolerance | Diameter control, surface condition and tensile requirement |
| Heat Treatment | Solution treatment and aging treatment as required | Temperature, holding time and cooling method |
| Surface Treatment | Pickling, polishing, bright treatment or cleaning | Surface quality and visual inspection |
| Inspection | Final dimensional and material inspection | PMI, tensile test, diameter inspection and certificate review |
Product Inspection
1. Chemical Composition Inspection
Chemical composition analysis is performed to verify nickel, chromium, titanium, molybdenum and other alloying elements. This helps confirm that the wire meets Inconel 660 / Alloy 660 / UNS S66286 requirements.
2. Mechanical Properties Testing
Tensile strength, yield strength, elongation and hardness can be tested according to customer requirements. For spring wire and high-temperature fastener wire, mechanical properties should be confirmed according to the required condition.
3. Diameter and Surface Inspection
Wire diameter, roundness, surface finish, straightness and coil condition are inspected before shipment to ensure the product meets purchase order or drawing requirements.
4. PMI Testing and Traceability
PMI testing can be used to verify material grade and prevent material mix-up. Heat number traceability and EN 10204 3.1 material certificate can be supplied with shipment.
Product Packaging
SASA ALLOY provides export-grade packaging for Inconel 660 Wire to protect the material during sea, air and land transportation.
- Spool Packing: Suitable for fine wire and precision wire products.
- Coil Packing: Suitable for spring wire, industrial wire and batch supply.
- Plastic Film Protection: Used to prevent scratches and contamination.
- Waterproof Wrapping: Used for export shipment and moisture protection.
- Wooden Case Packing: Suitable for international transportation and heavy coil protection.
- Clear Marking: Grade, heat number, size, quantity and customer PO number can be marked on labels.



Applications
Inconel 660 Wire is widely used in high-temperature and high-strength applications where oxidation resistance, mechanical reliability and long-term service stability are required.
| Industry | Typical Applications | Why Inconel 660 Wire Is Used |
|---|---|---|
| Aerospace | Fasteners, springs, engine components and structural wire parts | High strength-to-weight ratio and elevated temperature performance |
| Petrochemical | High-temperature fasteners, valve parts and wire components | Good corrosion resistance and mechanical stability |
| Power Generation | Turbine parts, heat-resistant springs and mechanical components | Stable performance under high temperature service |
| Industrial Springs | Heat-resistant springs, retaining wires and elastic elements | Good strength and oxidation resistance after suitable treatment |
| Precision Manufacturing | Pins, clips, formed wire parts and custom machined components | Good processability and reliable material traceability |
Why Choose SASA ALLOY?
- Professional supplier of Inconel 660 / Alloy 660 / A286 / UNS S66286 wire materials
- Available in fine wire, spring wire, coil wire, spool wire and straight wire
- Customized diameter, length, coil weight, packing and surface condition available
- Support for ASTM A453, ASTM A638, AMS, UNS, EN, DIN, JIS, GB and customer specifications
- Material traceability with heat number control
- EN 10204 3.1 material certificate available
- Chemical analysis, mechanical testing, PMI testing and dimensional inspection support
- Export packaging suitable for international transportation
FAQ
What is Inconel 660 Wire?
Inconel 660 Wire is commonly used to describe Alloy 660 / A286 / UNS S66286 wire, a precipitation-hardened iron-nickel-chromium alloy wire used for high-temperature and high-strength applications.
Is Inconel 660 the same as A286?
In many industrial contexts, Inconel 660, Alloy 660 and A286 are used to refer to UNS S66286 / ASTM A453 Grade 660 type material. Exact standard requirements should be confirmed by purchase order and material certificate.
Can SASA ALLOY supply customized wire diameter?
Yes. SASA ALLOY can supply Inconel 660 Wire in customized diameter, coil packing, spool packing and straight length according to customer requirements.
What certificates can be supplied?
EN 10204 3.1 material certificate, chemical composition report, mechanical test report, PMI testing report and full heat number traceability can be supplied according to order requirements.
What are the main applications of Inconel 660 Wire?
Inconel 660 Wire is mainly used for high-temperature fasteners, springs, aerospace components, petrochemical equipment, turbine parts, formed wire parts and precision industrial components.
Contact Us
If you are looking for Inconel 660 Wire, Alloy 660 Wire, A286 Wire or UNS S66286 Wire, please contact SASA ALLOY with your required grade, diameter, condition, surface, coil weight, packing, quantity and inspection requirements. Our team can provide professional high-temperature alloy wire solutions for aerospace, petrochemical, power generation and industrial applications.








