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Grade 4 Titanium – CP4, UNS R50700 | Unalloyed CP Titanium

Grade 4 Titanium CP4 Is Strengthening Critical Innovations

Commercially Pure Titanium Grade 4 CP4 is a remarkable material that stands out for its high strength, excellent corrosion resistance, and ability to perform under demanding conditions. Known for being stronger than CP Titanium Grade 2 and Titanium Grade 3, Titanium Grade 4 is less ductile but is highly valued in aerospace, medical, and industrial sectors. At Laube.com, with over 75 years of expertise, we specialize in providing titanium solutions tailored to Grade 4 CP4, ensuring success at every stage from ideation to delivery.

Bars of Grade 23 Titanium
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TITANIUM PRODUCTS

Titanium Bars

Precision-engineered, ultrasonic-tested, American-made or import titanium bars in various grades and sizes.
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Titanium Tubes

High-quality welded & seamless titanium tubing in CP Grade 2 & titanium alloy Grade 9 (3AL-2.5V) in various sizes.
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Titanium Sheets & Plates

Tough, corrosion resistant, American-made or import titanium sheets and plates in various grades and sizes.
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Engineered Titanium

We offer customized castings, metal stampings, forging, fasteners, and screw machine parts.
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What Does Laube Do?

We supply a full range of titanium mill products—including titanium bars, titanium tubes, titanium plates, titanium sheets, titanium powder, and  titanium coil—as part of our expanding metals portfolio. In addition, our Engineered Components Division serves as a trusted global sourcing partner for fasteners, castings, forgings, stampings, screw-machined parts, and custom components made from all types of metals, plastics, and rubber.

With over 75 years of industry experience and a reputation for reliability, we proudly support customers across all major sectors—including aerospace, medical, gas, oil, industrial, automotive, energy, precision machining, consumer products, armament, construction, and more.

Laube Technology – Capabilities Overview

CategoryCapabilitiesMaterials
Casting- Die Casting (Aluminum, Zinc, Magnesium)
- Sand Casting
- Investment Casting		Aluminum (Aluminum Forgings Manufacturing), Zinc, Magnesium, Grey Iron, Malleable Iron, Ductile Iron, Brass, Steel
Forging- Hot & Cold Forging
- Drop Forging
- Press Forging
- Hot Heading (Upset Forging)		Aluminum Alloys, Copper Alloys, Titanium Alloys, Steel
Stamping & Forming- Metal Stamping
- Deep Drawing
- Cold Heading
- Bending		Steel, Brass, Aluminum, Stainless Steel
Machining & Secondary Ops- CNC Milling & Turning
- Surface Grinding
- Drilling
- High-Speed Drilling
- Broaching		All standard industrial metals
Finishing & Assembly- Painting
- Powder Coating
- Plating (various types)
- Surface Etching
- Polishing		N/A (applied to finished components)
Fasteners- Self-Tapping / Self-Drilling / Thread Forming / Cutting Screws
- SEMS Screws
- Machine & Wood Screws
- Bolts, Aerospace Nuts, Washers
- Rods, Shafts, Pins
- Rivets / Rivet Nuts
- Irrigation Fasteners		All Grades and Sizes – Custom to Drawing
Assemblies- Component Assembly
- Packaging Solutions		N/A
Screw Machining- Multi-Spindle and Single-Spindle
- CNC Support
- Precision Lathes		Brass, Steel, Aluminum, Custom metals
Molding- Plastic and Metal Molding ServicesVarious resins and metals
Titanium Mill Products- Bars, Tubes, Plates, Sheets, Coil, Spherical PowderTitanium (All Commercially Pure and Alloy Grades)
Engineering & Program Mgmt- US-based Engineering Support
- Program Management
- Cost-Optimized Offshore Sourcing		N/A
Industries Served

- Aerospace (titanium forging for jets and aerospace parts) 
- Automotive
- Medical Devices

- Armament 
- Irrigation (Fasteners)
- Industrial Equipment

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Certifications

ISO and AS Certs

What Our Customers Say

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OceanCore Engineering
Liam Chen, Senior Project Manager
Laube’s Grade 4 Titanium has performed flawlessly in our seawater filtration systems. The strength and corrosion resistance are ideal for continuous exposure environments.

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MedForge Precision Metals
Sara Kim, Procurement Specialist
We use Grade 4 Titanium from Laube for surgical-grade components that require both strength and biocompatibility. Their material consistency and certs are always spot on.

What Is Grade 4 Titanium CP4?

Grade 4 CP4 Titanium is the strongest of the commercially pure titanium grades, making it a go-to material for titanium applications requiring a combination of high strength and excellent corrosion resistance. Despite its lower ductility compared to other grades, it is still formable under the right conditions, making it versatile and reliable.

Key Properties of Grade 4 CP4 Titanium

  • High Strength: The strongest commercially pure titanium grade.

  • Corrosion Resistance: Exceptional performance in marine and chemical environments.

  • Thermal Stability: Operates effectively under high temperatures; enhanced further through titanium heat treatment services.

  • Biocompatibility: Superior compatibility in medical applications including titanium joint replacements.

  • Durability: Withstands harsh industrial conditions for long-term use, and is commonly used in applications like titanium for silencers where strength and heat resistance are critical.

Applications of Grade 4 Titanium

Grade 4 Titanium is the strongest of the commercially pure titanium grades, offering excellent corrosion resistance and high strength. The chart below highlights its common applications in aerospace, marine, and industrial environments.

Grade 4 titanium applications chart

Chemical Composition of Grade 4 Titanium

Grade 4 Titanium contains slightly higher levels of oxygen and iron compared to other commercially pure grades, contributing to its superior strength. The chart below details its chemical composition, which supports its use in demanding environments.

Grade 4 titanium chemical composition chart

Specifications and Standards for Grade 4 Titanium

Grade 4 Titanium meets numerous international titanium specifications, confirming its durability, corrosion resistance, and performance under demanding conditions. The table below summarizes the primary standards that govern its use in essential applications across multiple industries.

Grade 4 titanium specifications and standards chart

If you would like to learn more about titanium with similar properties, check out our page on Grade 3 Titanium.

Manufacturing Approaches to Grade 4 CP4 Titanium

At Laube.com, we utilize state-of-the-art techniques to maximize the potential of Grade 4 Titanium:

  • Cold Rolling: Improves surface finish and dimensional precision.

  • Precision Forging: Ensures high strength and durability for critical components.

  • CNC Machining: Allows for tight tolerances and repeatable precision in complex parts made from Grade 4 Titanium.

  • Screw Machine Parts: Grade 4 Titanium is well-suited for precision-machined components such as fasteners, fittings, and connectors, especially in high-stress or corrosive environments.

Trending Uses of Grade 4 Titanium

Grade 4 titanium solar panels

Aerospace Innovations: Used in structural components and titanium forgings for jets to reduce weight and increase fuel efficiency in aerospace applications.

Medical Advancements: Growing demand for durable, biocompatible implants and devices such as titanium for pacemaker casings.

Sustainable Energy Solutions: Essential for desalination systems and renewable energy setups.
Aerospace component made with grade 4 titanium
Grade 4 titanium surgical equipment
Grade 4 titanium solar panel equipment

Titanium Grades We Offer

Laube Technology specializes in multiple grades of titanium, each tailored to meet unique performance requirements. Explore our offerings below:

GradeBest For
Grade 1 Pure TitaniumCorrosion resistance, formability; chemical and marine use
Grade 2 TitaniumGeneral industrial use; good balance of strength and weldability
Grade 3 TitaniumHigher strength applications; aerospace and marine use
Grade 4 TitaniumHigh strength and corrosion resistance; chemical processing
Grade 5 Titanium (Ti-6Al-4V)High-performance parts; aerospace, medical, and motorsports
Grade 6 Titanium (Ti-5Al-2.5Sn)Jet engines and airframe parts; good creep resistance
Grade 7 TitaniumExtreme corrosion resistance; chemical processing
Grade 9 Titanium (Ti-3Al-2.5V)Lightweight, cold-formable parts; aerospace and sporting goods
Grade 11 TitaniumChemical processing; highly corrosive environments
Grade 12 TitaniumChemical, marine, and heat exchanger applications
Grade 16 TitaniumCorrosive environments with acids; chemical processing
Grade 17 TitaniumHigh corrosion resistance with better formability
Grade 23 Titanium (Ti-6Al-4V ELI)Medical implants and surgical devices; high biocompatibility
Grade 29 Titanium (Ti-6Al-4V ELI + Pd)Medical implants, aerospace, marine; superior corrosion resistance from Pd
Grade 36 Titanium (Ti-45Nb)Medical implants and prosthetics; biocompatibility and low elastic modulus
Grade 38 Titanium (Ti-4Al-2.5V-1.5Fe + Pd)Aerospace, marine, and medical components; excellent seawater corrosion resistance
Ti-6242 (Ti-6Al-2Sn-4Zr-2Mo, UNS R54620)High-temperature aerospace and turbine engine parts; strength and creep resistance up to 540 °C

Confidence from the Industry

  • Authoritative Quote: According to industry experts, “Grade 4 CP4 Titanium is the workhorse of high-performance engineering, offering strength and corrosion resistance unmatched by most materials.”
  • Trusted Resources: LinkedIn articles and publications highlight Grade 4 CP4’s role in modern engineering.

Grade 4 Titanium Frequently Asked Question

What makes Grade 4 CP4 unique among commercially pure titanium grades?
It offers the highest strength while maintaining excellent corrosion resistance, making it ideal for demanding applications.

Is Grade 4 CP4 suitable for medical implants?
Yes, its biocompatibility and strength make it a popular choice for surgical devices, implants, and durable medical aids like titanium for crutches.

Can Grade 4 CP4 be welded?
Yes, Grade 4 CP4 has good weldability, suitable for complex fabrications in industrial and high-performance environments.

What is the UNS number for Grade 4 Titanium?
Grade 4 Titanium is designated as UNS R50700 and classified as Commercially Pure Titanium (CP4).

What are common applications for Grade 4 Titanium?
It’s used in marine hardware, chemical processing, titanium heat exchangers, surgical components, and high-pressure systems.

Is Grade 4 Titanium available in different forms?
Yes, Laube supplies Grade 4 Titanium in titanium plates, titanium rods, titanium tubes, and other stock forms to meet industrial and medical requirements.

How does Grade 4 compare to Grades 1–3?
Grade 4 has the highest strength of all CP titanium grades while retaining excellent corrosion resistance, though it is slightly less ductile.

Is Grade 4 Titanium considered unalloyed?
Yes, it is an unalloyed commercially pure titanium, containing about 99.2% titanium with slight variations in oxygen and iron content for added strength.

Can Grade 4 Titanium for TIG welding machine shops be a good option?
Yes, it is a strong option for TIG welding, and is commonly used by machine shops that require both corrosion resistance and strength.

Is Grade 4 Titanium suitable for harsh environments?
Absolutely. Its strength and corrosion resistance make it ideal for chloride-rich, saline, and oxidizing environments where durability is critical.

Grade 4 Titanium CP4 Solutions for Critical Applications

Ready to take your project to the next level? Partner with Laube.com for tailored solutions using Commercially Pure Titanium Grade 4 CP4. Contact us today to learn more about our expertise and capabilities.

Extended Resources For Grade 4 Titanium

For more information on Grade 4 Titanium, check out the following sources:

Weight Calculator

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PREMIUM-QUALITY PRODUCTS FROM LAUBE TITANIUM

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Call us today (805-388-1050) to get a quick and easy quote, or fill out our contact form below.


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