CMSX-4 Single Crystal Superalloy
Premium Ni-Base • Turbine Blades • >25,000 Hours Creep Life at 1100°C | FUSHUN SPECIAL STEEL
Advanced Single Crystal Superalloy Technology
CMSX-4 manufactured by FUSHUN SPECIAL STEEL represents the pinnacle of single crystal superalloy technology, specifically engineered for the most demanding high-temperature applications. This premium nickel-based superalloy eliminates grain boundaries through single crystal structure, delivering unparalleled creep resistance and fatigue strength at operating temperatures exceeding 1150°C.
As a leading manufacturer of aerospace-grade superalloys, FUSHUN SPECIAL STEEL produces CMSX-4 with exceptional mechanical integrity and thermal stability. The alloy’s gamma-prime precipitation strengthening mechanism ensures outstanding performance in jet engine turbine blades, gas turbine components, and other critical rotating machinery where failure is not an option.
International Standards and Recognition
Primary Standard: Aerospace Material Specification
Quality Systems: ISO (Corrosion Resistance)
Application Focus: Aerospace • Power Generation • High-Performance Turbomachinery
Revolutionary Single Crystal Structure and Gamma-Prime Strengthening
CMSX-4’s single crystal architecture represents a breakthrough in superalloy metallurgy, eliminating grain boundaries that typically serve as weak points for creep deformation and crack initiation at high temperatures.
Single Crystal Advantages
- •Eliminates grain boundary weakening
- •Superior creep resistance at 1150°C+
- •Enhanced fatigue strength
- •Improved thermal shock resistance
Gamma-Prime (γ’) Precipitation
- •Rhenium Enhancement: Superior temperature stability
- •Tantalum Strengthening: Dislocation blocking mechanism
- •Aluminum Content: 5.45-5.75% for optimal precipitation
- •Service Life: >25,000 hours at 1100°C
Microstructural Excellence
The gamma-prime precipitates within CMSX-4’s nickel matrix create a coherent strengthening network that maintains structural integrity at extreme temperatures. This advanced microstructure, combined with strategic alloying additions of rhenium (2.8-3.1%) and tantalum (6.3-6.7%), ensures exceptional resistance to dislocation movement and creep deformation in rotating turbine blade applications.
Precision Chemical Composition for Optimal High-Temperature Performance
FUSHUN SPECIAL STEEL maintains strict control over CMSX-4’s chemical composition to ensure consistent single crystal formation and optimal gamma-prime precipitation for maximum creep resistance and thermal stability:
| Element | Symbol | Content (wt%) | Primary Function |
|---|---|---|---|
| Nickel | Ni | Balance | Matrix element providing high-temperature strength |
| Chromium | Cr | 6.4-6.6 | Oxidation and corrosion resistance |
| Cobalt | Co | 9.3-10.0 | Matrix strengthening and thermal stability |
| Tungsten | W | 6.2-6.6 | Solid solution strengthening at high temperatures |
| Tantalum | Ta | 6.3-6.7 | Gamma-prime stabilization and creep resistance |
| Aluminum | Al | 5.45-5.75 | Gamma-prime precipitation strengthening |
| Rhenium | Re | 2.8-3.1 | Ultra-high temperature strength enhancement |
| Molybdenum | Mo | 0.5-0.7 | Solid solution strengthening |
| Titanium | Ti | 0.9-1.1 | Gamma-prime formation and oxidation resistance |
| Hafnium | Hf | 0.07-0.12 | Grain boundary strengthening (casting optimization) |
Strategic Alloying for Maximum Performance
The precise balance of refractory metals (W, Ta, Re, Mo) provides exceptional high-temperature strength, while the controlled Al and Ti content ensures optimal gamma-prime volume fraction. Rhenium, though expensive, dramatically improves creep resistance and enables operation at temperatures previously impossible with conventional superalloys.
Exceptional Physical and Mechanical Properties
CMSX-4 demonstrates outstanding mechanical performance across the entire operating temperature range, with exceptional creep rupture life exceeding 25,000 hours at 1100°C and superior fatigue resistance for rotating turbomachinery applications.
Physical Properties
| Density | 8.75 g/cm³ |
| Melting Point | 1340°C |
| Thermal Conductivity | 10.8 W/(m·K) |
| Elastic Modulus | 220-230 GPa |
Mechanical Properties
| Tensile Strength | 1240 MPa |
| Yield Strength | 1035 MPa |
| Fatigue Strength | 700 MPa @ 1000°C |
| Hardness | 40-45 HRC |
| Elongation | 10-12% |
Outstanding Creep Performance
Creep Rupture Life: >25,000 hours at 1100°C, ~200 MPa stress
Operating Temperature: Outstanding creep strength up to 1150°C
Service Advantage: Extended turbine blade life with superior reliability
Multi-Industry Applications for Critical High-Temperature Components
CMSX-4 from FUSHUN SPECIAL STEEL serves diverse industries requiring exceptional high-temperature performance, oxidation resistance, and long-term mechanical integrity. The single crystal structure makes it the material of choice for rotating components in the most demanding service environments.
🚁 Aerospace and Aviation
Components: Turbine blades, vanes, combustor liners
Applications: Jet engines, aircraft gas turbines
Benefits: Extended service life, improved fuel efficiency
⚡ Power Generation
Equipment: Industrial gas turbines, power plant turbines
Performance: Long-term durability under thermal cycling
Efficiency: Enhanced power output with reduced maintenance
🛢️ Oil and Gas
Applications: Offshore platforms, pipeline compressors
Environment: Corrosive conditions, high temperatures
Reliability: Exceptional operational uptime
🚢 Marine Propulsion
Systems: Marine gas turbines, exhaust components
Resistance: Heat and saltwater corrosion
Performance: High power-to-weight ratio
🏭 Chemical Processing
Equipment: Reactors, high-temperature valves
Conditions: Aggressive chemicals, elevated temperatures
Advantage: Superior corrosion and oxidation resistance
🚗 High-Performance Automotive
Components: Turbocharger wheels, exhaust valves
Benefits: Enhanced thermal efficiency
Performance: Superior thermal fatigue resistance
⛏️ Mining and Heavy Industry
Applications: Impellers, high-stress machinery
Environment: Abrasive conditions, high wear
Durability: Extended component life in harsh conditions
🛡️ Military and Defense
Systems: Military jet engines, missile propulsion
Requirements: Ultimate reliability and performance
Critical: Mission-critical component applications
⚛️ Nuclear Energy
Components: Reactor components, heat exchangers
Conditions: High radiation, extreme temperatures
Safety: Structural integrity under extreme conditions
🏥 Pharmaceutical and Food
Equipment: Sterilization systems, heat treatment
Standards: Hygienic requirements, thermal cycling
Reliability: Consistent performance under thermal stress
FUSHUN SPECIAL STEEL Single Crystal Manufacturing Excellence
As a leading manufacturer of single crystal superalloys, FUSHUN SPECIAL STEEL employs advanced directional solidification technology and precision casting processes to produce CMSX-4 with exceptional quality and consistency. We welcome large volume orders for aerospace and power generation applications.
Single Crystal Casting Capabilities
Technology: Advanced directional solidification
Components: Turbine blades, vanes, complex geometries
Quality: Defect-free single crystal structure
Certification: Aerospace and energy industry approvals
Quality Assurance and Testing
Standards: AMS, ISO
Testing: Creep rupture, fatigue, microstructural analysis
Inspection: X-ray, ultrasonic, dimensional verification
Traceability: Complete chemical and mechanical documentation
Why Choose FUSHUN SPECIAL STEEL for CMSX-4?
• Advanced Technology: State-of-the-art single crystal casting
• Quality Excellence: Rigorous testing and certification
• Technical Support: Superalloy engineering expertise
• Custom Solutions: Application-specific component development
Partner with FUSHUN SPECIAL STEEL for Premium CMSX-4 Single Crystal Superalloy
Ready to specify CMSX-4 for your most critical high-temperature applications? As a leading manufacturer with advanced single crystal casting capabilities, we provide exceptional quality turbine blade materials with >25,000 hour creep life at 1100°C. Contact our superalloy specialists for technical specifications, custom component development, and competitive pricing for large volume aerospace and power generation projects.
FUSHUN SPECIAL STEEL – Your Trusted Partner for Single Crystal Superalloy Excellence
