For precision foundries and aerospace engineers, the biggest pain point in sourcing Inconel 713C master alloys is the loss of casting yield. When low-grade master alloys contain dissolved gases or non-metallic inclusions, the final, expensive turbine blades or nozzle blades will fail X-ray inspection.
Common industrial pain points:
Internal porosity: Micropores in the ingot can lead to "bubbles" in the final precision casting.
Chemical composition drift: Unstable aluminum (Al) and titanium (Ti) ratios can affect heat treatment performance and structural integrity.
Inclusions: Ceramic or oxide particles resulting from poor melting processes can become sources of crack initiation in rotating components.
At Gnee Alloy, we eliminate these risks at the source. As a professional Inconel 713C manufacturer, our entire production line is meticulously designed to achieve zero-defect quality.
Click to get a quote from the factory for the Inconel 713C
Tier 1 Inconel 713C Round Bar Manufacturer | Vacuum Melting Master Alloy for Aerospace Casting
Tier 1 Inconel 713C Round Bar Manufacturer | Vacuum Melting Master Alloy for Aerospace Casting
Inconel 713C (UNS N07713) is a nickel-chromium-based precipitation-hardening cast superalloy designed for high-temperature strength, excellent creep resistance, and structural stability, particularly suitable for aerospace casting at temperatures up to 1800°F (982°C). It is commonly used in the manufacture of turbine blades, guide vanes, and turbocharger impellers.
What is Inconel 713C?
Inconel 713C is a nickel-chromium casting alloy that exhibits excellent fracture strength at 1700°F (927°C), while also possessing superior resistance to thermal fatigue and good casting properties. This datasheet provides information on its composition, physical properties, hardness, tensile properties, and creep and fatigue properties.
1. Inconel 713C Chemical Composition (Standard vs. Our Control)
| Element | Standard Spec (Max %) | Our Premium Grade (%) | Industrial Significance |
| Chromium (Cr) | 11.0 - 14.0 | 12.5 - 13.5 | Balanced for oxidation. |
| Aluminum (Al) | 5.5 - 6.5 | 5.9 - 6.1 | Strict control for creep. |
| Titanium (Ti) | 0.4 - 1.2 | 0.7 - 0.9 | Phase stability at 980°C. |
| Molybdenum (Mo) | 3.8 - 5.2 | 4.2 - 4.8 | Matrix strengthening. |
| Inclusions (P, S) | ≤ 0.015 | ≤ 0.008 | Zero-Defect welding/casting. |
2. High-Temperature Mechanical Properties of Inconel 713C
| Property | Value at 981°C (1800°F) | Industrial Significance |
| Stress-Rupture Life | ≥ 30 Hours (at 152 MPa) | Guaranteed Industrial Durability. |
| Melting Range | 1260°C - 1290°C | Excellent fluidity for foundries. |
| Density | 7.91 g/cm³ | Precision weight calculation. |
3. Gnee Alloy Inconel 713C Manufacturing Process
The performance of high-temperature alloys originates from vacuum furnaces. We employ a first-class manufacturing process to ensure the highest metallurgical purity:
Vacuum Induction Melting (VIM) process
Vacuum Induction Melting (VIM): We melt 100% pure elements under deep vacuum conditions, removing dissolved oxygen, nitrogen, and hydrogen. This provides an ultra-clean matrix for your casting process.
Precision Alloying: Our automated feeding system ensures a perfect balance of aluminum (6.0%) and titanium (0.8%) content, maintaining the highest γ′ phase volume fraction.
Controlled Solidification: We control the cooling rate of the cast bars to prevent macrosegregation, ensuring that every inch of the bar has a uniform chemical composition.
4. Gnee Alloy Quality Assurance
As a reliable supplier, Gnee Alloy provides the transparency required for aerospace and nuclear audits:
100% Radiographic Testing (RT): Every casting is X-rayed to ensure 100% internal density.
Spectroscopic Analysis: Real-time chemical composition verification using OES and ICP technologies.
MTC 3.1 and 3.2 Traceability: Detailed thermal analysis reports accompany every shipment.
Third-Party Inspection: We welcome verification of our quality assurance system by organizations such as SGS, TUV, or BV.
5. Inconel 713C round bars are primarily used in aerospace applications
First-stage turbine blades: Due to their excellent creep resistance.
Blade materials: Used in high-performance gas turbine engines for aero engines.
Turbocharger impellers: Used in high-efficiency, high-temperature diesel engines.
Jet engine exhaust systems: Due to their excellent resistance to high-temperature oxidation.
Why source directly from the Gnee Alloy factory?
✅️Direct Factory Pricing: Eliminate the 15-20% markup from international trading houses.
✅️Wholesale Inventory: Large stock of standard master melt sizes ready for Fast Global Shipping.
✅️Custom Fabrication: We can cast bars in specific diameters (e.g., 50mm, 75mm, 100mm) to fit your induction melting crucibles perfectly.
✅️Short Lead Time: Strategic raw material reserves ensure your production never stops.
Gnee Steel inconel 713C 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 inconel 713c Product Packing
Contact us for the latest export price quote for GH4169 Alloy
FAQ
Q1: Why is your 713C master alloy "cleaner" than standard wrought scrap?
A: We never use uncontrolled scrap. Our Inconel 713C is produced from 100% certified virgin raw materials through VIM refining. This minimizes the slag and ceramic inclusions that cause high scrap rates in investment casting.
Q2: Is Inconel 713C equivalent to any other grades for UAV engines?
A: Yes, it is the technical equivalent of MAR-M-246 in many turbine applications but offers better oxidation resistance. It is often chosen for its Cost-effective Solution compared to more expensive cobalt-based alloys.
Q3: Can you provide small quantities for prototype turbine wheels?
A: Absolutely. As a Tier-1 Manufacturer, we support aerospace innovation with flexible MOQs for R&D centers and small-scale UAV Propulsion projects.
Q4: Do you offer "Peeled" or "Centerless Ground" finishes for master alloy bars?
A: Yes. We offer precision surface processing to ensure the bars are free from surface oxides, providing a "Ready-to-Melt" material for your foundry.
