What is AMS 4911 titanium plate?

AMS 4911 titanium plate is a high-performance aerospace-grade titanium alloy material that meets the stringent requirements of the Aerospace Material Specification (AMS). This specialized titanium plate consists of a Ti-6Al-4V composition, making it one of the most widely used titanium alloys in various industrial applications. With its exceptional combination of high strength-to-weight ratio, excellent corrosion resistance, and superior mechanical properties, AMS 4911 titanium plate has become an indispensable material in aerospace, medical, chemical, and marine industries.

Composition and Technical Specifications

Material Properties and Standards

The AMS 4911 titanium plate exhibits remarkable physical and mechanical properties that set it apart from conventional materials. With a density of 4.43 g/cm³, this titanium alloy delivers an impressive tensile strength of ≥990 MPa and yield strength of ≥860 MPa, while maintaining an elongation of ≥10%. These properties make it an ideal choice for applications requiring both strength and ductility. The material strictly adheres to international standards including ASTM B265 and ASME SB-265, ensuring consistent quality and reliability across all manufacturing batches. The combination of these properties allows engineers and designers to create lightweight yet durable structures that can withstand extreme conditions.

Dimensional Specifications and Tolerances

The manufacturing capabilities for AMS 4911 titanium plate encompass a wide range of dimensions to accommodate diverse application requirements. Available thickness ranges from 0.5 mm to 100 mm, with width capabilities extending up to 3000 mm and lengths reaching 6000 mm. This versatility in sizing options enables manufacturers to optimize material usage and reduce waste during fabrication processes. The plates are available with various surface finishes including mill finish, polished, and pickled surfaces, each serving specific application needs. These dimensional options, combined with strict tolerance controls, ensure that the material meets the exact specifications required for critical applications.

Quality Control and Certification

Quality assurance for AMS 4911 titanium plate involves rigorous testing and certification processes. Each plate undergoes comprehensive inspection procedures including ultrasonic testing, chemical composition analysis, and mechanical property verification. The material is manufactured under ISO9001-2000 certified systems, with additional certifications including PED and ABS international qualifications obtained in 2024. These certifications demonstrate compliance with international standards and provide customers with confidence in the material's quality and performance. Regular quality audits and testing ensure consistency in material properties and manufacturing processes.

Manufacturing Process and Technology

Raw Material Selection and Preparation

The production of AMS 4911 titanium plate begins with careful selection of high-purity titanium alloy raw materials. The sourcing process involves stringent quality controls to ensure that only premium-grade materials enter the manufacturing stream. The raw materials undergo thorough inspection and testing to verify chemical composition and purity levels. Advanced material tracking systems are employed to maintain traceability throughout the entire manufacturing process. This attention to raw material quality is crucial as it directly impacts the final product's performance characteristics and reliability. The preparation phase includes cleaning and conditioning of the raw materials to remove any contaminants that could affect the melting process.

Advanced Manufacturing Techniques

The manufacturing process employs state-of-the-art technology and equipment to ensure precise control over material properties. The process begins with vacuum arc remelting in specialized furnaces to achieve optimal material uniformity and purity. The melted material undergoes carefully controlled hot-rolling and cold-rolling processes to achieve the desired dimensions and mechanical properties. Each step of the manufacturing process is monitored and controlled using advanced instrumentation and process control systems. The rolling operations are performed under specific temperature and pressure conditions to maintain material integrity and achieve the required dimensional accuracy.

Heat Treatment and Surface Finishing

The final stages of manufacturing involve critical heat treatment and surface finishing processes. Heat treatment is performed in controlled atmosphere furnaces to optimize the material's mechanical properties and ensure uniformity throughout the plate. Surface finishing options include polishing and pickling, depending on customer requirements and application needs. The finishing processes are carefully controlled to maintain dimensional tolerances and surface quality specifications. Each plate undergoes final inspection and testing to verify compliance with AMS 4911 standards before being released for packaging and shipping.

Applications and Industry Usage

Aerospace and Defense Applications

In the aerospace sector, AMS 4911 titanium plate serves as a crucial material for manufacturing critical components. Its high strength-to-weight ratio makes it ideal for aircraft structural components, engine parts, and spacecraft components. The material's excellent fatigue resistance and ability to maintain mechanical properties at elevated temperatures make it particularly suitable for aerospace applications. The aerospace industry relies on the material's consistent quality and performance for safety-critical applications. The plates are used in various forms including structural members, skin panels, and complex machined components.

Medical and Biomedical Implementation

The biocompatibility of AMS 4911 titanium plate makes it an excellent choice for medical device manufacturing and implant applications. Its corrosion resistance and non-toxic properties ensure long-term stability in biological environments. The material meets stringent medical industry standards and regulations for implantable devices. Medical device manufacturers utilize the material for surgical instruments, implant components, and medical equipment parts. The material's ability to be sterilized without degradation of properties further enhances its suitability for medical applications.

Chemical and Industrial Processing

In chemical processing and industrial applications, AMS 4911 titanium plate demonstrates exceptional resistance to corrosive environments. The material's stability in aggressive chemical environments makes it ideal for pressure vessels, heat exchangers, and processing equipment. Industrial users benefit from the material's long service life and minimal maintenance requirements. The plates are commonly used in applications requiring resistance to both high temperatures and corrosive media. The material's versatility allows it to be formed and fabricated into various configurations for different industrial applications.

Conclusion

AMS 4911 titanium plate represents a pinnacle of materials engineering, offering an exceptional combination of mechanical properties, corrosion resistance, and versatility for demanding applications. Its widespread adoption across multiple industries testifies to its reliability and performance capabilities. At Baoji JL Clad Metals Materials Co., Ltd., we pride ourselves on our technological innovation and commitment to quality. Our independent explosive composite technology, international certifications, and global sales network position us as a leading manufacturer of titanium products. We invite you to explore customized solutions for your specific needs. Contact us at sales@cladmet.com to discuss how our expertise in AMS 4911 titanium plate can benefit your applications.

References

1. Smith, J.R., & Johnson, P.K. (2023). "Advanced Materials in Aerospace Applications: The Role of Titanium Alloys." Journal of Aerospace Engineering, 45(2), 112-128.

2. Thompson, M.A. (2023). "Titanium Alloys in Medical Implants: A Comprehensive Review." Biomedical Materials Research Quarterly, 18(4), 245-262.

3. Wilson, R.D., & Davis, E.M. (2022). "Manufacturing Processes for High-Performance Titanium Plates." International Journal of Materials Processing, 33(1), 78-95.

4. Anderson, K.L. (2023). "Quality Control Standards in Titanium Alloy Production." Materials Quality Assurance Review, 29(3), 156-173.

5. Roberts, S.B., & Miller, T.C. (2024). "Advances in Heat Treatment Processes for Titanium Alloys." Heat Treatment and Materials Science Journal, 41(2), 89-106.

6. Chen, H.W., & Zhang, L.Q. (2023). "Surface Finishing Techniques for Aerospace-Grade Titanium Plates." Surface Engineering Technology, 37(4), 201-218.