GH4169 Corrosion Resistant Superalloy Plate
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
- Send E-mail: ss@gneesteel.com
Gnee Super Alloy (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of gh4169 corrosion resistant superalloy plate in China. If you're going to wholesale high quality gh4169 corrosion resistant superalloy plate made in China, welcome to get free sample from our factory. Good service and reasonable price are available.
In harsh industrial environments such as aerospace, nuclear power, and petrochemicals, GH4169 corrosion-resistant high-temperature alloy sheet is a mainstay in the industry. Referred to as an alternative to Inconel 718, it is a precipitation-hardening nickel-chromium alloy that combines exceptional high-temperature strength with outstanding industrial durability.
Most heat-resistant sheets deform or lose structural integrity above 600°C. However, our GH4169 sheets are specially designed using VIM + VAR (vacuum induction melting + vacuum arc remelting) processes to eliminate inclusions, ensuring your components maintain structural integrity even under the most extreme thermal cycling conditions.
Get a quote for GH4169 board c and check wholesale inventory now!
GNEE GH4169 Corrosion Resistant Plate introduce
GH4169 sheet is a high-performance nickel-based precipitation-hardening superalloy sheet (equivalent to Inconel 718 or UNS N07718), renowned for its excellent corrosion resistance, high tensile strength, and superior fatigue resistance at temperatures up to 650°C–700°C. This alloy is available in various forms, including hot-rolled and cold-rolled sheets, and is widely used in critical sectors such as aerospace, nuclear power, and petrochemicals.
GNEE GH4169 Plate Specification Sheet
GH4169 Detailed Chemical Composition
| Element | Symbol | Percentage (%) | Role in Performance |
| Nickel | Ni | 50.0 - 55.0 | Provides the base for oxidation resistance. |
| Chromium | Cr | 17.0 - 21.0 | Essential for high-temp corrosion stability. |
| Niobium | Nb | 4.75 - 5.50 | Primary strengthening phase ( γ′′ ). |
| Molybdenum | Mo | 2.80 - 3.30 | Enhances pitting & creep resistance. |
| Titanium | Ti | 0.65 - 1.15 | Secondary precipitation hardening (γ′). |
| Cobalt | Co | ≤ 1.00 | Ensures ultra-low impurity levels. |
Typical mechanical properties of GH4169 alloy sheet (fully aged state):
| Property | Value at 20°C | Value at 650°C (1200°F) | Industrial Verdict |
| Yield Strength (σp0.2) | ≥ 1030 MPa | ≥ 850 MPa | 5x stronger than 310S. |
| Tensile Strength (σb) | ≥ 1240 MPa | ≥ 1000 MPa | High safety factor for turbines. |
| Elongation (δ5) | ≥ 12% | ≥ 15% | Excellent fatigue resistance. |
| Hardness (HRC) | 36 - 44 | - | Superior wear resistance. |
GNEE GH4169 high temperature alloy plates Sizes and Specifications
GH4169 Plate Standards & Grades
ASTM B670 / B637
AMS 5596 / 5662 / 5663
UNS N07718
GB/T 14992 (GH4169)
GH4169 alloy plates Available Dimensions
| Product Type | Thickness Range | Width (Standard) | Length (Standard) | Standard Compliance |
| Cold Rolled Sheet | 0.5 mm – 4.0 mm | 1000 / 1219 mm | 2000 / 3000 mm | AMS 5596 |
| Hot Rolled Plate | 4.0 mm – 50.0 mm | Up to 2000 mm | Up to 6000 mm | ASTM B670 |
| Custom Thickness | 50 mm+ (Forged) | Custom Cutting | Cut-to-Size | ASME SB670 |
Application of GH4169 sheet metal
As a reliable supplier, Gnee Steel provides GH4169 steel plates for mission-critical components:
Aerospace: Combustion chamber liners, exhaust ducting, and turbine discs.
Oil & Gas: Downhole tools and wellhead components requiring NACE MR0175 compliance.
Nuclear Power: High-strength structural members and springs in reactor cores.
Cryogenics: Components for liquid hydrogen storage (maintains toughness at -253°C).
GH4169 Plate quality inspection specifications
As a reliable supplier, Gnee Steel adheres to a "zero-defect" policy. Every GH4169 steel plate undergoes a rigorous inspection process before shipment.
Inspection Process:
Raw Material Verification: Spectrometric analysis of VIM+VAR ingots.
Grain Size Control: Metallographic testing to ensure fine grain structure (ASTM E112).
NDT (Non-Destructive Testing): 100% Ultrasonic (UT) and Dye Penetrant testing.
Dimensional Audit: Precision micrometer and flatness verification.
Testing Equipment in Our Lab:
Direct Reading Spectrometer: For precise chemical heat analysis.
High-Temp Tensile Tester: Verified performance at 650°C - 800°C.
Ultrasonic Flaw Detector: Detecting internal inclusions or "freckles."
Hardness Tester (Brinell/Rockwell): Ensuring correct heat treatment aging.
Surface treatment and finish options for high-temperature alloy GH4169 sheet
We provide multiple surface conditions to match your specific Custom Fabrication requirements:
No.1 Finish: Hot rolled, annealed, and pickled. Best for heavy structural parts.
2B / Bright Annealed (BA): Smooth, reflective finish for aerospace liners and mirrors.
Polished (Grit 180-600): For high-precision aesthetic and technical applications.
PVC/PE Film Protection: Available for all sheets to prevent surface scratching during transit.
GNEE Group Factory Environment
GNEE Group GH4169 Corrosion resistant plate Factory Environment
GNEE Group Packaging
GNEE Group GH4169 superalloy plate Packaging
Why Source GH4169 Plates From Us?
✅️Direct Factory Price: Eliminate middleman markups and secure the best rates for Wholesale Supply.
✅️MTC 3.1 Traceability: Full heat-analysis and mechanical property verification included with every shipment.
✅️Global Compliance: Materials are fully compliant with AS9100 and ISO 9001 standards.
✅️Precision Processing: We offer precision laser, waterjet, and plasma cutting to your exact CAD blueprints.
GH4169 certificate
FAQ
Q1: Is GH4169 exactly the same as Inconel 718 plate?
A: Yes. Chemically and mechanically, GH4169 (GB standard) maps directly to the global UNS N07718 (Alloy 718) specification. Our plates are produced to be globally interchangeable.
Q2: Can GH4169 plates be welded successfully?
A: Absolutely. It is considered the most weldable superalloy because its aging response is slow, preventing spontaneous cracking during the cooling phase. We provide detailed Welding Procedures upon request.
Q3: Do you provide plates in the solution-treated or aged condition?
A: We provide both. We can supply Solution Treated plates (easier for forming/machining) or Fully Aged plates (ready for immediate high-stress service).
Hot Tags: gh4169 corrosion resistant superalloy plate, China gh4169 corrosion resistant superalloy plate suppliers, Monel R405, product alloy, manufacturing alloy, part alloy, tough alloy, engineering alloy
You Might Also Like
Send Inquiry