For purchasing managers in the aerospace, energy, and oil industries, budget uncertainty is a major pain point. GH4169 is a high-value superalloy, and even slight fluctuations in the global nickel or niobium market can lead to cost overruns of thousands of dollars.
Furthermore, many buyers are misled by "low-price" offers using inferior smelting processes, ultimately resulting in internal defects and project failures. At Gnee Alloy, we eliminate this uncertainty. As a Tier 1 manufacturer, we offer pricing linked to the London Metal Exchange (LME), ensuring you receive the most competitive and transparent factory-direct prices.
Get today's latest GH4169 price list and inventory check
Hot Rolled Polished Surface Gh4169 Round Rods Price Per Kg
Hot Rolled Polished Surface Gh4169 Round Rods Price Per Kg
The price of hot-rolled polished GH4169 (Inconel 718) round bars typically ranges from $15 to $50 per kilogram, depending on the quantity and supplier. Large orders (over 10,000 kilograms) may see prices drop to around $45 per kilogram, while smaller orders typically start from $30 to $50 per kilogram.
What is GH4169 equivalent to?
Inconel 718
GH4169 is a high-strength nickel-based superalloy primarily used in aerospace and high-temperature applications. It is equivalent to: Inconel 718 (USA) Alloy 718 (UNS N07718).
1. GH4169 Hot Rolled Polished Bar description
| Parameter | Description |
|---|---|
| Material | GH4169 (UNS N07718 / Inconel 718) |
| Product Form | Hot Rolled + Polished Round Bar |
| Manufacturing Process | Hot Rolling + Centerless Grinding / Polishing |
| Surface Condition | Polished (bright, oxide-free, smooth surface) |
| Applicable Standards | AMS 5662, AMS 5663, ASTM B637, GB/T 14994 |
| Melting Process | VIM + VAR (double melt – mandatory for aerospace grade) |
2. Chemical composition (wt%) of GH4169 hot-rolled polished bar
| Element | Content (%) | Standard Requirement | Function |
|---|---|---|---|
| Nickel (Ni) | 50.0 – 55.0 | 50.0 – 55.0 | Matrix element; provides high-temperature stability and corrosion resistance |
| Chromium (Cr) | 17.0 – 21.0 | 17.0 – 21.0 | Oxidation and corrosion resistance |
| Iron (Fe) | Balance (~18-20) | Balance | Fe-Ni-Cr base alloy |
| Niobium (Nb) | 4.75 – 5.50 | 4.75 – 5.50 | Core strengthening element – forms γ″ phase (Ni₃Nb) |
| Molybdenum (Mo) | 2.80 – 3.30 | 2.80 – 3.30 | Solid-solution strengthening; enhances creep resistance |
| Titanium (Ti) | 0.65 – 1.15 | 0.65 – 1.15 | Forms γ′ strengthening phase (Ni₃(Al,Ti)) |
| Aluminum (Al) | 0.20 – 0.80 | 0.20 – 0.80 | Forms γ′ strengthening phase; improves oxidation resistance |
| Carbon (C) | ≤ 0.08 | ≤ 0.08 | Low carbon for toughness and fatigue resistance |
| Manganese (Mn) | ≤ 0.35 | ≤ 0.35 | Deoxidizer |
| Silicon (Si) | ≤ 0.35 | ≤ 0.35 | Deoxidizer |
| Phosphorus (P) | ≤ 0.010 | ≤ 0.015 (AMS stricter) | Ensures toughness |
| Sulfur (S) | ≤ 0.005 | ≤ 0.015 (AMS stricter) | Ensures hot workability |
| Boron (B) | 0.002 – 0.006 | 0.002 – 0.006 | Grain boundary strengthener; improves stress rupture life |
| Cobalt (Co) | ≤ 1.00 | ≤ 1.00 | Residual element |
| Copper (Cu) | ≤ 0.30 | ≤ 0.30 | Residual element |
Click to download the GH4169 alloy PDF file now
3. GH4169 Hot Rolled Bar Dimensions
| Diameter Range (mm) | Diameter Range (in) | Hot Rolled Tolerance | Polished Tolerance | Surface Roughness (Ra) |
|---|---|---|---|---|
| 10 – 18 | 0.375 – 0.750 | ±0.18 mm | h6 (±0.011 mm) | ≤ 0.4 µm |
| 18 – 30 | 0.750 – 1.200 | ±0.21 mm | h6 (±0.013 mm) | ≤ 0.4 µm |
| 30 – 50 | 1.200 – 2.000 | ±0.25 mm | h6 (±0.016 mm) | ≤ 0.8 µm |
| 50 – 80 | 2.000 – 3.150 | ±0.30 mm | h6 (±0.019 mm) | ≤ 0.8 µm |
| 80 – 100 | 3.150 – 4.000 | ±0.35 mm | h6 (±0.022 mm) | ≤ 0.8 µm |
| 100 – 150 | 4.000 – 6.000 | ±0.40 mm | h7 (±0.035 mm) | ≤ 1.6 µm |
| 150 – 200 | 6.000 – 8.000 | ±0.50 mm | h7 (±0.040 mm) | ≤ 1.6 µm |
4. Cost-Effectiveness of Gnee Alloy GH4169
The price per kilogram of GH4169 is not fixed but is composed of high-value elements and precision machining processes. Understanding these components helps you obtain the most cost-effective solution.
Raw Material Surcharges: Nickel (Ni) and niobium (Nb) are the main cost drivers. Our base price is linked to the London Metal Exchange (LME) to ensure price fairness.
Smelting Grade: Aerospace-grade GH4169 requires a VIM+VAR (triple remelting) process, which increases costs but guarantees absolute structural integrity. Standard commercial grade (electric arc furnace + electroslag remelting) is cheaper but carries greater risk for critical components.
Dimensional Accuracy: Due to the labor-intensive centerless grinding process, bright-ground bars (tolerances h9/h10) are slightly more expensive than ferrous hot-forged bars.
5. GH4169 bar technology cost-benefit selection table
Not every project requires the most expensive smelting process. Please adjust your budget according to your technical needs:
| Quality Grade | Melting Process | Integrity Level | Relative Price | Best Application |
| Premium Grade | VIM + VAR | Zero Defect (Class A) | Turbine Discs, Engine Shafts | |
| Standard Grade | EAF + ESR | Industrial Integrity | $ | High-temp Fasteners, Valves |
| Wholesale Stock | Solution Annealed | Verified Mechanicals | Bulk Discount | General R&D & Maintenance |
Contact us to customize GH4169 products to fit your project dimensions
6. Gnee Alloy GH4169 Bar Supply Range and Surface Finishes
We maintain a large wholesale inventory, ensuring fast worldwide shipping:
Diameter: 5.0 mm to 400.0 mm
Surface Finishes: Fine Grinding (BA), Peeling, or Rough Finish
Conditions: Solution Finish (for easy machining) or Full Aging (for optimal strength).
7. Why choose to source GH4169 rods from Gnee Alloy factory?
✅️Direct Factory Price: Eliminate the 15-25% markup charged by international trading houses.
✅️Volume Discounts: We offer tiered Wholesale Pricing for bulk orders over 500kg, supporting your large-scale infrastructure projects.
✅️Price Lock Agreements: For long-term contract partners, we offer price-hedging strategies to protect your budget from sudden market spikes.
✅️MTC 3.1 Traceability: Full heat analysis and mechanical verification included, ensuring you never pay for uncertified material.
Gnee Steel GH4169 Certificate
📦 Packaging and Shipping
All Nickel Based Alloy products are packaged using the following methods:
Wooden pallets or crates
Moisture-proof packaging
Labels with furnace number, standard, and size labels
Shipped worldwide by sea, air, or express
Gnee Steel GH4169 Product Packing
Contact us for the latest export price quote for GH4169 Alloy
FAQ
Q1: Why does GH4169 price vary so much between suppliers?
A: The difference is usually in the smelting process. A "cheap" quote often implies single-melted material with high impurities. Our VIM+VAR process ensures the high-cycle fatigue life required for Aerospace Grade service, which is the only way to guarantee Industrial Durability.
Q2: Can I lock in a price for a 12-month supply contract?
A: Yes. We specialize in long-term supply agreements for OEMs and MRO centers. We can offer a fixed fabrication cost combined with a flexible raw material surcharge to keep your budget stable.
Q3: How do h-tolerances affect the price per kg?
A: Precision Ground (h8-h11) rods involve extra steps like centerless grinding and straightening. While the price per kg is higher, you save significantly on CNC Tool Life and material waste, making it more cost-effective in the long run.
Q4: Do you offer bulk discounts for aerospace maintenance programs?
A: Absolutely. As a Tier-1 Supplier, we provide significant discounts for recurring orders and large-tonnage procurement for power plant and aviation overhauls.
