What is AMS 4928 Ti-6Al-4V Titanium Bar

Jan 20, 2026

As an expert in the aerospace field, understanding the AMS 4928 standard is essential for choosing the right material. If your job is in the aerospace or aviation manufacturing field, the AMS 4928 Ti-6Al-4V titanium bar may be just the material you need. This article will explore the AMS 4928 standard, analyze the characteristics of the AMS 4928 Ti-6Al-4V titanium alloy rod, and explain why it plays an indispensable role in aerospace and high-performance components.

 

What Is AMS 4928 Standard?

AMS 4928 is a material specification developed by SAE (Society of Automotive Engineers) specifically for Bars, Wires, Forgings, Rings, and Drawn Shapes made of Ti-6Al-4V titanium alloy. Its chemical composition is similar to UNS R56400. This standard is designed for parts with operating temperatures between 750℉ and 900℉ (399℃ and 510℃). Due to its excellent strength-to-weight ratio and outstanding corrosion resistance, AMS 4928 has become a core material for aerospace applications. This standard details key factors, including heat treatment processes, material composition, and tensile properties to ensure that the material can meet the stringent requirements of aerospace applications.

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Key elements of the AMS 4928 standard

Heat treatment: solution heat treatment, annealing, and continuous heat treatment to ensure that the titanium alloy can obtain the desired mechanical properties, including parameters such as temperature range, cooling rate and time.

Material composition: AMS 4928 has very strict requirements on material composition, stipulating the precise content of aluminum (5.5%-6.75%), vanadium (3.5%-4.5%) and other trace elements in titanium alloys. Slight changes in the proportions of these components will have a significant impact on the performance of the alloy.

Tensile properties: The minimum tensile strength of titanium alloy is specified in detail as 130 ksi (896 MPa), the minimum yield strength is 119 ksi (820 MPa) and the elongation is 10% to meet the strict requirements of the aerospace industry for parts.

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AMS 4928 Ti-6Al-4V Titanium Bar Specifications

AMS 4928 Ti-6Al-4V Titanium Bar is available in various shapes including round rod, rectangular rod, square rod, flat rod, hexagonal rod, octagonal rod. Known for its strength of Grade 5 Titanium alloy, this alloy has excellent mechanical properties and strong corrosion resistance.

 

Features of AMS 4928 Ti-6Al-4V Titanium Alloy Rod

AMS 4928 Titanium Alloy Rod is designed specifically for the aerospace industry, offering a unique combination of high strength, corrosion resistance, and high temperature stability. These properties make it the material of choice in many critical applications, such as aircraft engines, spacecraft structural components. Here are the reasons why AMS 4928 Titanium Alloy Rod is so popular:

 

High strength-to-weight ratio: Titanium is as strong as steel but lighter, which is critical in aerospace as it can reduce the overall mass of an aircraft, thereby improving fuel efficiency and payload capacity.

Corrosion Resistance: Titanium is naturally highly resistant to corrosion, a property that ensures the reliability and longevity of aerospace vehicles in harsh environments.

High Temperature Resistance: AMS 4928 Ti-6Al-4V Titanium Alloy Rod performs well at high temperatures, maintaining its mechanical properties in the 750-900°F range. This is critical for high temperature applications such as engine components.

Comprehensive performance: The comprehensive performance of AMS 4928 Ti-6Al-4V titanium alloy rod makes it an indispensable material in the aerospace field. It not only meets the requirements of strength, corrosion resistance and high temperature resistance, but also has good processability and low density. These characteristics together ensure its wide application in the aerospace field.

 

AMS 4928 Ti-6Al-4V Titanium Rod represents the forefront of aerospace materials technology, with its superior combination of properties making it the material of choice for a wide range of critical applications.

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My factory is a high-quality titanium and titanium alloy materials manufacturer specializing in the international trade sector. Our product line comprehensively covers titanium tubes, titanium rods, titanium plates, titanium wires, and titanium strips. We possess full-process production capabilities from melting to deep processing, with core equipment including Vacuum Arc Remelting (VAR) furnaces, multi-function fast forging presses, precision hot/cold rolling mills, high-speed wire rod rolling mills, and high-precision straightening and cutting equipment. Leveraging advanced machinery and technology, we are committed to providing customers in global sectors such as aerospace, medical implants, high-end chemical processing, marine engineering, and sports consumer goods with high-performance, dimensionally precise, and consistently reliable titanium products and customized processing solutions.

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To ensure that each titanium product meets the highest quality standards, we have established a comprehensive quality inspection system covering raw materials, production processes, and finished goods. Equipped with advanced testing instruments, such as Optical Emission Spectrometers (OES), universal material testing machines, metallographic microscopes, ultrasonic flaw detectors (UT), and corrosion testing equipment, we are capable of precisely analyzing material composition, mechanical properties, microstructure, internal defects, and corrosion resistance. Every batch of products undergoes rigorous testing in strict compliance with international standards such as ASTM, ASME, and AMS, and authoritative third-party inspection reports are provided. Our laboratory maintains complete traceability records, ensuring that every step from order to delivery is verifiable and traceable. This guarantees that we deliver high-standard titanium materials with reliable quality and comprehensive performance data.

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