How Is Grade 3 Titanium Plate Manufactured?

Grade 3 titanium plate is manufactured through a series of highly controlled metallurgical and forming processes that transform raw titanium sponge into a high-quality, corrosion-resistant metal sheet. The process typically involves melting and refining titanium sponge, forming it into ingots, followed by hot and cold rolling to produce titanium plate and sheet metal, and final heat treatment and finishing. Compared with some higher-strength titanium alloys, Grade 3 titanium plate offers excellent mechanical properties and weldability, making it well-suited for industrial, chemical, marine, and engineering applications.

 

 

Introduction to Grade 3 Titanium Plate

Grade 3 Titanium Plate is part of the commercially pure (CP) titanium family, balancing strength and corrosion resistance more effectively than Grades 1 and 2. Its composition, primarily titanium with small amounts of iron and oxygen, results in a metal that combines durability with formability - ideal for titanium plate and titanium sheet metal used in demanding environments.

 

Grade 3 sits between Grades 1 and 2, offering a middle ground in terms of strength and formability. It is widely used in chemical processing, marine hardware, pressure vessels, and architectural components.

 

Raw Material: From Titanium Sponge to Ingot

The first step in manufacturing Grade 3 titanium plate starts with the production of titanium sponge. Titanium sponge is produced from titanium ore (typically rutile or ilmenite) through the Kroll process, which reduces titanium tetrachloride (TiCl₄) with magnesium to produce porous titanium metal.

Once the sponge is produced, it is combined with alloying elements (for Grade 3 this includes controlled amounts of oxygen and iron to strengthen but retain ductility), then melted in a controlled environment.

 

Melting & Refining

Titanium is highly reactive at elevated temperatures, so melting must occur in a vacuum or inert atmosphere furnace, typically using:

Vacuum Arc Remelting (VAR)

Electron Beam Melting (EBM)

These melting methods produce a homogeneous, high-purity titanium ingot with minimal inclusions. For Grade 3 titanium, purity and controlled oxygen content are crucial because they directly affect mechanical performance and corrosion resistance.

 

Ingot Processing: Forging and Rolling

Once the molten titanium solidifies into ingots, they undergo forging to refine the grain structure. Forging increases the mechanical strength and prepares the metal for subsequent rolling.

Hot Rolling to Titanium Plate

After forging, the ingot is heated to a temperature where plastic deformation is optimal and then hot rolled in multiple passes to reduce thickness and form a rough plate shape. Hot rolling transforms the ingot into a flat form suitable for further processing.

Key advantages of hot rolling include:

• Breaking down the coarse structure of the ingot
• Improving uniformity and mechanical properties
• Producing thicker cross-sections for heavy-duty titanium plate

 

Cold Working and Finishing

After hot rolling, the plate may be cold forged or cold rolled to improve surface finish, dimensional accuracy, and mechanical properties. Cold rolling also enhances strength and yields a tighter thickness tolerance.

During cold forming, processes including:

Cold Rolling

Skin Pass

Stretching and Flattening

help produce titanium sheet metal with excellent surface quality and precise dimensions.

4.1 Annealing and Heat Treatment

Heat treatment is a critical step to relieve stresses induced by cold working. Grade 3 titanium can be annealed to:

Improve ductility

Reduce residual stress

Restore formability

Annealing is typically done in a vacuum furnace to prevent oxidation and contamination.

 

Surface Treatment and Inspection

Once the titanium plate has been rolled and heat-treated, surface finishing processes are applied.

1 Mechanical Finishing

This step includes:

Grinding

Polishing

Deburring

to ensure the titanium plate has a uniform and smooth surface free of defects.

2 Non-Destructive Testing (NDT)

To verify quality, TSM Technology and other reputable manufacturers conduct:

Ultrasonic testing

Eddy current inspection

Visual inspection

Dimensional checks

These tests ensure the titanium alloy sheet meets stringent mechanical and structural standards before shipment.

 

Standards and Specifications

Manufacturing of Grade 3 titanium plate adheres to internationally recognized standards, ensuring consistency and performance:

ASTM B265 - Standard Specification for Titanium and Titanium Alloy Strip, Sheet, and Plate

ASME SA-265 - For boiler and pressure-vessel applications

ISO 3585 - Titanium and Titanium Alloy Plates

Compliance with these standards ensures that the final sheet meets global requirements for corrosion resistance, mechanical integrity, and certification traceability.

 

Properties of Finished Grade 3 Titanium Plate

After manufacturing, the Grade 3 titanium plate exhibits:

High corrosion resistance (especially in oxidizing, reducing, and chloride environments)

Moderate strength compared to higher-alloy titanium plates

Excellent ductility and forming characteristics

Good weldability

Superior performance in aggressive environments

These properties make Grade 3 titanium plate suitable for marine hardware, chemical processing equipment, pressure vessels, and architectural elements.

 

Comparisons with Other Titanium Materials

Property	Grade 1 Titanium Plate	Grade 3 Titanium Plate	Titanium Alloy Sheet (e.g., Ti-6Al-4V)
Strength	Lowest	Moderate	Highest
Corrosion Resistance	Excellent	Excellent	Very Good
Formability	Excellent	Good	Moderate
Weldability	Excellent	Excellent	Good
Typical Applications	Chemical, marine	Pressure equipment, marine, process	Aerospace, high-strength

 

Compared with Ti-6Al-4V and other high-strength titanium alloys, Grade 3 titanium plate offers better formability, easier fabrication, and excellent corrosion resistance - making it a reliable choice for many industrial applications.

 

Industrial Applications of Grade 3 Titanium Plate

1 Chemical & Petrochemical Equipment

Grade 3's resistance to chloride and oxidizing acids makes it ideal for:

Reactors

Heat exchangers

Storage vessels

2 Marine & Offshore Structures

Titanium plate is used for:

Seawater piping

Deck hardware

Corrosion-resistant components

3 Pressure Vessels and Heat Exchangers

The combination of strength and corrosion resistance ensures long service life in:

Power plants

Desalination facilities

4 Architectural and Structural Uses

In buildings and bridges, titanium plate provides enduring performance with minimal maintenance.

 

Why Choose TSM Technology for Grade 3 Titanium Plate

At TSM Technology, we specialize in manufacturing high-quality Grade 3 titanium plate, titanium plate, titanium sheet metal, and titanium alloy sheet that meet global standards. Here's why customers choose us:

Advanced Production Facilities: State-of-the-art melting, rolling, finishing, and testing equipment

Quality Certifications: ISO 9001, AS9100D, AS9120, and compliance with ASTM, ASME, EN, and ISO standards

Global Reach: Serving customers in Europe, America, Southeast Asia, and the Middle East

Stable Supply and Custom Solutions: From stock plates to tailor-made specifications

Technical Expertise: Support for material selection, fabrication, and applications

TSM's commitment to quality and innovation ensures that every titanium plate meets both industry demands and customer expectations.

 

Conclusion

Manufacturing Grade 3 titanium plate involves a series of meticulously controlled processes - from melting and refining titanium sponge to hot and cold forming, heat treatment, and finishing. Each step ensures the resulting titanium plate and titanium sheet metal offer consistent performance, excellent corrosion resistance, and reliable mechanical properties.

Whether you are designing chemical processing equipment, marine components, or pressure vessels, Grade 3 titanium plate provides a balanced combination of strength, formability, and corrosion resistance. And by choosing a trusted supplier like TSM Technology, you get materials that meet global standards with full traceability and quality assurance.

 

References

ASTM International. ASTM B265 – Standard Specification for Titanium and Titanium Alloy Strip, Sheet, and Plate.

ASM International. Properties and Selection: Nonferrous Alloys and Special-Purpose Materials, Vol. 2.

Donachie, M.J. Titanium: A Technical Guide. ASM International.

International Titanium Association (ITA). Titanium Industry Reports and Material Performance Studies.

ISO 3585: Titanium and Titanium Alloys – Plates, Sheets and Strips.

 

Contact Us

For more information about our Grade 3 Titanium Plate, titanium plate, titanium sheet metal, or titanium alloy sheet products, please contact us.
Our experienced team is ready to help you specify the right material for your application and ensure optimal project performance.

Email: info@tsm-titanium.com