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K418 Cast Superalloy Bar | 713C Master Alloy for Turbochargers
Premium K418 cast superalloy bar (equivalent to Inconel 713C / IN713C) as high-quality master alloy for turbochargers. Nickel-based precipitation-hardened equiaxed crystal alloy delivering excellent creep strength, thermal fatigue resistance, and oxidation resistance below 900°C. Ideal feedstock for precision casting of turbocharger turbine wheels and high-temperature components.
- Overview
- Specification
- Applications
- Company Profile
- FAQs
- Recommended Products
- Excellent creep strength and stress-rupture performance below 900°C
- Superior thermal fatigue resistance under repeated start-stop thermal cycles
- Outstanding oxidation and hot corrosion resistance due to balanced chromium content
- Cobalt-free composition for lower density and reduced material cost
- Good castability and fluidity suitable for complex thin-walled turbocharger components
- Stable γ′ (Ni₃(Al,Ti)) precipitation strengthening for long-term microstructural stability
- High cleanliness master alloy bars optimized for vacuum induction remelting and investment casting
- Consistent chemical composition ensuring reliable mechanical properties in final castings
Introduction to K418 Cast Superalloy Bar
K418 Cast Superalloy Bar is a high-purity nickel-based precipitation-hardened equiaxed crystal cast superalloy, internationally recognized as the equivalent of Inconel 713C (IN713C). Supplied as master alloy bars, it serves as the preferred feedstock for vacuum investment casting of turbocharger turbine wheels and other critical high-temperature components operating below 900°C.
This cobalt-free alloy combines outstanding high-temperature strength, thermal fatigue resistance, oxidation resistance, and good castability, making it a cost-effective and reliable solution for automotive, aerospace, and industrial turbocharger applications.
Product Features of Cast Superalloy Bar
Chemical composition%
Applications of K418 713C Nickel-Based Cast Superalloy Master Alloy Bars
K418 / 713C master alloy bars are primarily used as feedstock for precision casting of components that operate in high-temperature, high-stress environments:
- Automotive and diesel turbocharger turbine wheels
- Gasoline and high-performance engine turbocharger rotors
- Gas turbine guide vanes and working blades
- Integral cast turbine rotors for aerospace and industrial gas turbines
- Hot-section components requiring thermal fatigue and oxidation resistance
- Precision castings for power generation and marine propulsion systems
CHANGZHOU DLX ALLOY CO., LTD operates as a high-precision node within the global superalloy supply chain, specializing in the alignment of Chinese manufacturing excellence with international aerospace and automotive standards. Since 2002, our 12,000 m² facility has focused on the "Compliance Synergy" between raw material purity and regional regulatory requirements. We recognize that for turbocharger manufacturers in the US and Europe, material consistency is as important as the material itself. By integrating rigid VIM refining with a transparent, documentation-heavy export model, we empower our global partners to build high-efficiency turbines with the assurance of total metallurgical traceability.
FAQs:
1.What is K418 cast superalloy bar used for?
It is primarily supplied as a master alloy for vacuum investment casting of turbocharger turbine wheels and other high-temperature components that require excellent creep strength, thermal fatigue resistance, and oxidation resistance below 900°C.
2.Why is K418 preferred for turbochargers?
It offers a cost-effective combination of high-temperature strength, thermal fatigue resistance, oxidation resistance, and good castability without cobalt, making it ideal for the cyclic thermal and mechanical loads experienced by turbocharger turbine wheels.
3.What form is the product supplied in?
The product is supplied as cast superalloy master alloy bars (round or other shapes as required), ready for remelting and precision casting processes.
4.What is the recommended service temperature?
K418 is designed for continuous service below 900°C, where it maintains excellent mechanical properties and environmental resistance.
