Your trusted manufacturer of nickel-based superalloys and high-performance stainless steel since 2008-Gnee Alloy
For over 18 years, Gnee Alloy has been a professional manufacturer and reliable supply chain partner for global clients in oil & gas, aerospace, petrochemical, power generation and marine engineering. For project engineers, procurement managers and technical decision-makers who demand strict material compliance, stable high-temperature performance and reliable corrosion resistance, we deliver end-to-end alloy solutions from vacuum smelting to finished product delivery.
Operating a 35,000 sqm standardized production base with a team of 200+ industry professionals, we ensure every batch of Inconel, Incoloy, Monel and Hastelloy alloys meets stringent international and regional standards including ASTM, ASME, AMS, GOST and KS. We combine large-scale stable production capacity with dedicated technical support to solve complex material challenges for industrial projects worldwide.
The Development History of Gnee Alloy
2008
Founded in China, focusing on special alloy smelting and precision processing
2012
Introduced imported vacuum induction melting line, expanded nickel-based superalloy production capacity
2015
Passed ISO 9001 quality system and NACE MR0175 certification, officially entered European and Middle East markets
2018
Upgraded rolling and precision testing equipment, realized full in-house production from smelting to finished processing
2022
Launched aerospace-grade alloy production line, obtained AS9100 aviation quality system certification
2025
Annual production capacity reached 6,000 tons, serving over 200 industrial clients in more than 40 countries and regions
Gnee Alloy Factory Production and End-to-End Quality Control
Gnee Alloy Core Production Equipment for Nickel-Based Alloys
US-imported vacuum induction furnace + German-made vacuum consumable arc furnace: Enables precise compositional control for over 15 grades of nickel-based superalloys.
2800mm four-high reversing rolling mill: Supports custom plate sizes up to 2.6m × 16m with strict control over thickness tolerances.
Cold-drawn and hot-rolled pipe production lines: Capable of producing seamless pipes with single-piece lengths up to 15m; offers pickling and bright annealing surface treatments.
Comprehensive vacuum annealing furnaces: Ensure uniform material properties, meeting the requirements for long-term high-temperature service conditions.
Gnee Alloy Main Nickel Based Alloy Products
Contact our experts to recommend the right alloy for your project
Gnee Alloy Nickel-Based Alloy Production Process
1. Raw Material Intake: 100% spectral analysis of chemical composition
2. Melting Stage: Heat-by-heat composition verification with full heat number traceability
3. Forming Stage: Dimensional inspection at each processing step
4. Heat Treatment: Full process recording and sampling tests for mechanical properties
5. Finished Products: 100% UT/ET non-destructive testing (NDT), plus dimensional and visual inspections
6. Pre-shipment: Review and verification of complete Mill Test Certificate documentation
Click to view the production process for Gnee Alloy's nickel-based alloy products
Chemical Composition Analysis
Mechanical Testing
PMI
UT
PT
RT
Hardness
Impact Test
Metallographic Examination
Corrosion Test
Hydro Test
Gnee Alloy Nickel Based Alloy PMI Test
GNEE Product Packaging And Shipping
We adopt standard export seaworthy packaging solutions to ensure product safety during long-distance international transportation:
Standard packaging: Waterproof anti-rust paper + steel strap binding + wooden case / steel pallet reinforcement
Custom packaging available according to client specific requirements
Container loading: 6m lengths for 20ft containers, 12m lengths for 40ft containers; we provide full loading photos and container sealing records
Transport options: Sea freight, railway freight, air freight, supporting door-to-door delivery service
Delivery cycle: 7-10 days for stock items, 25-30 days for custom orders, with real-time logistics tracking updates
Contact us to select your preferred packaging and shipping method
Gnee Alloy Nickel-Based Alloy Product Quality Inspection Report
Gnee Alloy Nickel-Based Alloy Product Quality Inspection Report
GNEE Customer Visit
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Gnee Alloy's nickel-based alloy products undergo 100% UT/ET non-destructive testing, spectral analysis, mechanical property testing, and dimensional inspection. Gnee Alloy holds SGS certification and has obtained ISO9001 and EN 10204 3.1B certifications, as well as relevant heat treatment and non-destructive testing reports, ensuring that all nickel-based alloy pipes and fittings meet quality requirements.
Our Address
25th Floor, Huafu Commercial Center, Anyang, Henan Province, China
Phone Number
+86 15824687445
ss@gneesteel.com
