Titanium Grade 1 / 7 / 9 / 23 Flanges

What are Titanium Grade 1 / 7 / 9 / 23 Flanges?

Titanium flanges are high-performance piping components used to connect pipes, valves, and equipment in critical systems where strength, corrosion resistance, and lightweight properties are essential.

Key Functions:

• Secure and leak-proof pipe connections
• Easy system assembly and maintenance
• High strength-to-weight ratio
• Resistance to extreme environments

Titanium is widely used due to its excellent corrosion resistance, biocompatibility, and durability.

Composition Highlights (Typical)

Titanium Grade 1 (Commercially Pure):

• Titanium (~99%): Excellent corrosion resistance
• Low oxygen content: High ductility
• Superior formability

Titanium Grade 7:

• Titanium with Palladium (~0.12–0.25%)
• Enhanced corrosion resistance in reducing environments
• Excellent chemical resistance

Titanium Grade 9 (Ti-3Al-2.5V):

• Aluminum (3%): Strength improvement
• Vanadium (2.5%): Enhanced durability
• Balanced strength and formability

Titanium Grade 23 (Ti-6Al-4V ELI):

• Aluminum (6%) & Vanadium (4%)
• Extra Low Interstitial (ELI): Improved toughness
• High strength and biocompatibility

Key Features of Titanium Flanges

• Outstanding corrosion resistance (even in seawater)
• Lightweight with high strength
• Excellent fatigue resistance
• Superior thermal stability
• Non-magnetic properties
• Biocompatible (Grade 23)
• Long service life
• Excellent weldability (especially Grade 1 & 23)

Mechanical Properties

Titanium Grade 1:

• Tensile Strength: ~240 MPa
• High ductility and flexibility

Titanium Grade 7:

• Similar to Grade 2 with improved corrosion resistance
• Good strength and durability

Titanium Grade 9:

• Tensile Strength: ~620 MPa
• Moderate strength with good formability

Titanium Grade 23:

• Tensile Strength: ~860 MPa
• High strength with excellent fracture toughness

Physical Properties

• Density: ~4.5 g/cm³ (lighter than steel)
• Melting Point: ~1660°C
• Modulus of Elasticity: ~110 GPa
• Thermal Conductivity: ~6.7 W/m•K
• Excellent strength-to-weight ratio

Corrosion Resistance

Titanium flanges offer exceptional resistance to:

• Seawater and marine environments
• Chlorides and saltwater corrosion
• Acids and chemical processing environments
• Oxidizing and reducing conditions

Grade 7 Advantage: Superior resistance in aggressive chemical environments
Grade 23 Advantage: Ideal for medical and high-purity applications

Heat Treatment

• Annealing: Improves ductility and stress relief
• Controlled cooling: Maintains structural integrity

Titanium alloys are typically used in annealed condition for optimal performance.

Weldability

Titanium flanges can be welded using:

Welding Methods:

• TIG (GTAW): Preferred method
• MIG (GMAW): Controlled environments

Best Practices:

• Use inert gas shielding (argon)
• Maintain clean welding conditions
• Avoid contamination

Machinability

• Moderate to difficult machining
• Use sharp carbide tools
• Low cutting speed recommended
• Use proper coolant to reduce heat

Standards & Specifications

• ASTM B381: Titanium forgings
• ASTM B348: Titanium bars
• ASME SB381
• ANSI B16.5 / B16.47

These ensure global acceptance and quality compliance.

Available Types of Titanium Flanges

• Weld Neck Flanges
• Slip-On Flanges
• Blind Flanges
• Socket Weld Flanges
• Threaded Flanges
• Lap Joint Flanges
• Orifice Flanges

Sizes & Specifications

• Size Range: ½” to 48”
• Pressure Ratings: 150# to 2500#
• Forged construction for strength

Surface Finish:

• Pickled
• Polished
• Machined

Applications of Titanium Flanges

• Marine Industry: Ideal for seawater and offshore systems
• Chemical Processing: Handles aggressive chemicals and acids
• Aerospace Industry: Used in lightweight, high-strength components
• Medical Industry: Grade 23 used in implants and surgical equipment
• Power Plants: Used in heat exchangers and condensers

Quality Testing & Inspection

Each titanium flange undergoes strict testing:

• Chemical analysis
• Mechanical testing
• Dimensional inspection
• Surface testing
• PMI testing

Mill Test Certificates and third-party inspections are provided.

Packaging & Delivery

• Export-quality wooden packaging
• Protective wrapping
• Proper labeling for traceability
• Safe and timely worldwide delivery

Why Choose Virami Steel Hub?

• Trusted titanium flange manufacturer in Mumbai
• Wide product inventory
• Competitive pricing
• Custom manufacturing solutions
• International quality standards
• Strong global export network
• Dedicated customer support

Conclusion

Titanium Grade 1 / 7 / 9 / 23 Flanges offer exceptional performance in demanding environments due to their corrosion resistance, lightweight nature, and high strength. They are ideal for industries such as marine, chemical processing, aerospace, and medical applications.

Virami Steel Hub delivers high-quality titanium flanges that ensure durability, reliability, and long-term value.