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Titanium Grade 4

Special Products

Titanium Grade 4

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Titanium Grade 4 is the strongest of the commercially pure titanium grades, offering excellent corrosion resistance, moderate ductility, and high strength. With a higher content of oxygen compared to Grades 1–3, it is widely used in industries requiring durability in corrosive environments, such as aerospace, chemical processing, medical implants, and marine applications. Grade 4 is known for its superior strength-to-weight ratio and biocompatibility.

Key Features
  • High Strength: Highest strength among commercially pure titanium grades.
  • Corrosion Resistance: Excellent resistance to a wide range of corrosive media, including chlorides and acids.
  • Biocompatibility: Non-toxic and suitable for medical implants and devices.
  • Good Weldability: Easily welded and fabricated using conventional techniques.
  • Moderate Formability: Suitable for applications requiring moderate shaping and cold forming.

Chemical Composition

Element

Composition (%)

Titanium (Ti)

≥ 99.2

Oxygen (O)

≤ 0.40

Iron (Fe)

≤ 0.50

Carbon (C)

≤ 0.08

Nitrogen (N)

≤ 0.05

Hydrogen (H)

≤ 0.015

Mechanical Properties

Property

Value

Tensile Strength

≥ 550 MPa

Yield Strength (0.2% Offset)

≥ 483 MPa

Elongation

≥ 15%

Hardness

~200 HB

Density

4.51 g/cm³

Operating Temperature Range

-253°C to 400°C

 

Applications

  • Aerospace: Hydraulic tubing, structural components, and airframe parts.
  • Medical: Surgical implants, dental instruments, and orthopedic components.
  • Chemical Processing: Heat exchangers, reactor vessels, and piping systems.
  • Marine: Saltwater-resistant hardware, ship components, and offshore structures.
  • Power Generation: Condenser tubing and corrosion-resistant piping systems.

Forms Available

  • Sheets & Plates: Ideal for structural parts and protective linings.
  • Bars & Rods: Used in machined components and surgical instruments.
  • Pipes & Tubes: Suitable for fluid transport in corrosive environments.

Equivalent Grades

Standard

Equivalent Grade

UNS

R50700

ASTM

B265, B348, B861

ISO

5832-2

Advantages

  • Superior corrosion resistance in oxidizing and reducing environments.
  • Highest strength among commercially pure titanium grades.
  • Lightweight yet strong, contributing to energy-efficient applications.
  • Excellent performance in cryogenic and elevated temperature settings.
Surface Finish and Coatings
To enhance durability:
  • Standard Finishes: Include pickled, polished, or cold-rolled surfaces.
  • Optional Coatings: Anodizing or PTFE can be applied for specific applications.
Quality Assurance & Packaging
High-quality standards are maintained throughout the manufacturing process:
  • Certifications: Compliant with ASTM B265/B348/B861 and ISO 5832-2 standards.
  • Packaging: Materials are securely packed in wooden crates or protective wraps to prevent damage during handling and shipping.

FAQs

What makes Titanium Grade 4 different from Grade 2?

Grade 4 contains more oxygen than Grade 2, giving it higher strength but slightly lower ductility and formability.

Is Titanium Grade 4 suitable for marine applications?

Yes, its excellent resistance to seawater corrosion makes it ideal for marine and offshore uses.

Can Titanium Grade 4 be used in medical applications?

Absolutely. Its biocompatibility and strength make it a top choice for surgical implants and medical devices.

Products

Industry We Serve

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