Special Metals.
Reliable Supply.
Global Support.
J&A Alloy supplies high-performance alloys and special metal products for demanding industrial applications worldwide, with capabilities covering standard mill products, forgings and custom-manufactured components.
Engineering Materials for Demanding Applications
With more than 20 years of experience in special metals, Hangzhou J&A Alloy Co., Ltd. supports industrial customers with material supply, processing and custom manufacturing for demanding project requirements.
Our capabilities extend from raw materials and semi-finished products to forged and machined components, supported by forging, rolling, heat treatment, machining and inspection. We work with customers on material specifications, dimensions, testing and documentation to meet application-specific and international procurement requirements.
Beyond standard supply, we also support non-standard sizes and customized components, combining flexible manufacturing with material traceability, quality control and international delivery.
20+ Years
Special alloy experience
50+ Alloys
High-performance material grades
Multiple Forms
Plate · Bar · Tube · Wire · Forging
Global Supply
International industrial customers
A focused portfolio of high-performance alloys for heat, corrosion and demanding mechanical applications.
Our Material Portfolio
Nickel-base High-temp Alloy
High-temperature strength. Oxidation resistance. Long-term thermal stability.
Nickel-base high-temperature alloys engineered for applications where strength, creep resistance and oxidation resistance must be maintained at elevated temperatures.
Key Alloy Families
Inconel & Incoloy · Nimonic · Udimet · Haynes · GH Series
Representative Grades
Inconel 718 · X-750 · Nimonic 80A · Haynes 230 · GH3044
Corrosion Resistant Alloy
Engineered for acids, chlorides and aggressive process environments.
Nickel-based corrosion-resistant alloys for demanding chemical, marine, oil & gas and process applications where conventional stainless steels may not provide sufficient corrosion resistance.
Key Alloy Families
Hastelloy · Inconel · Incoloy · Nickel · Monel
Representative Grades
Hastelloy C-276 · C-22 · Inconel 625 · Incoloy 825 · Nickel 200 / 201 · Monel 400
Super Stainless Steel
Advanced corrosion resistance combined with exceptional mechanical performance.
Advanced stainless steels for applications requiring higher chloride resistance, strength or specialized mechanical properties beyond conventional stainless steel grades.
Key Alloy Families
Duplex & Super Duplex · Super Austenitic · PH Stainless Steel
Representative Grades
2205 · 2507 · F55 · 904L · 254SMO · 654SMO · 17-4PH · 15-5PH
From Raw Material to Finished Components
We supply standard mill products as well as customized alloy components for demanding industrial requirements.
01
Plate & Sheet
02
Strip & Coil
03
Round Bar & Rod
04
Wire
05
Pipe & Tube
06
Forgings
07
Rings & Flanges
08
Fasteners
09
Machined Components
10
Customized Parts
Depending on material grade, specification and order requirements, products can be supplied in hot-rolled, cold-rolled, forged, drawn, solution-treated, aged, machined or other specified conditions.
Typical Size Capabilities
| Product Forms | Classify | Specifications |
|---|---|---|
| Forging | Forged Round Bar | Ø30–1000 mm |
| Forged Square Bar | Side length 30–1000 mm | |
| Plate, Disc, Flange, Ring | Customized upon request | |
| Rods & Bars | Hot Rolled | Ø8–200 mm |
| Cold Drawn | Ø1–100 mm | |
| Tubes | Seamless Tube | OD 6–500 mm, WT 1–45 mm, L 500–10,000 mm |
| Welded Tube | Customized upon request | |
| Fitting | Wrought / Forged | Customized upon request |
| Strip | Hot Rolled | T 3–12 mm, W 10–1500 mm |
| Cold Rolled | T 0.1–3 mm, W 10–1200 mm | |
| Plate & Sheet | Hot Rolled | T 4–50 mm, W 400–2500 mm, L 1000–12,000 mm |
| Cold Rolled | T 0.4–4 mm, W 400–2000 mm, L 1000–8000 mm |
Actual capability depends on alloy grade, specification, heat-treatment condition and quantity. Please contact us for confirmation.
Quality Built Around Traceability
Material reliability is critical in special alloy applications. Our quality control process covers material verification, production control, dimensional inspection, testing and final documentation according to applicable order requirements.
Chemical Analysis
Mechanical Testing
PMI Verification
Ultrasonic Testing Where Applicable
Dimensional Inspection
Third-Party Inspection
DOCUMENTATION
- EN 10204 3.1 MTC
- Heat Number Traceability
- Inspection Reports
- NDT Reports When Required
- Third-Party Inspection Documents
Processing & Custom Manufacturing
Material Processing
- Cutting
- Slitting
- Decoiling
- Bending
- Beveling
- Drilling
- Punching
Component Manufacturing
- Forging
- Machining
- Flanges
- Rings
- Fasteners
- Shafts
- Custom Parts
Materials for Critical Industries
Built for International Supply
J&A Alloy supports international buyers, engineering companies, distributors and industrial users with export documentation, inspection coordination, protective packaging and international logistics support.
Export Packaging
International Documentation
Third-Party Inspection Coordination
Global Logistics Support
A Practical Partner for Special Alloy Supply
01
Special Alloy Focus
Focused on nickel alloys and advanced stainless steels.
02
Wide Material Range
Multiple alloy families, forms and production routes.
03
Material Traceability
Heat-number and material-documentation support.
04
Flexible Manufacturing
Standard sizes and customized dimensions/components.
05
Inspection Support
PMI, NDT and third-party inspection when required.
06
Export Experience
Support for international industrial customers and project requirements.
07
Material & Technical Support
Collaboration with Zhejiang University supports material development and application-oriented solutions.
Looking for a Special Alloy or Non-Standard Size?
Send us your material grade, specification, dimensions, quantity and required standard. Our team will review the requirement and provide a suitable supply solution.