Gr5 Titanium Bar 8mm

Gr5 Titanium Bar 8mm – High-Strength Aerospace & Medical Grade Alloy with Superior Performance

Baoji INT Medical Titanium Co., Ltd. manufactures precision-engineered Gr5 Titanium Bar 8mm that meets stringent international standards for aerospace, medical, and industrial applications. Our 8mm diameter bars have a tensile strength of over 895 Mpa and a fantastic strength to weight ratio with a density of 4.5g/cm³. We perform stringent quality control processes on all products under our ISO13485:2016 and ISO9001:2015 certified systems, guaranteeing dimensional correctness to a tolerance of ±0.05mm. The Ti-6Al-4V alloy offers outstanding corrosion resistance and is capable of maintaining structural integrity at a temperature range of -100°C to 400°C, perfect for vital load-bearing components where failure is not an option.

What Makes Our 8mm Gr5 Titanium Bar Stand Out?

The 8mm diameter criteria is an excellent trade-off between material efficiency and mechanical performance. This size is very useful in production operations where precision machining is essential for surgical instruments, aircraft fasteners, and high performance automobile components.

All our bars are uniformly grained by means of controlled hot working procedures. Its uniform metallurgical qualities guarantee reliable performance in secondary operations such as turning, milling and thread cutting.

The alpha-beta microstructure of this alloy has excellent fatigue resistance. Our bars are used to make parts that have a fatigue strength roughly 50% higher than that of commercially pure titanium, and thus longer life in cyclic loading situations.

Technical Specifications

Industry Applications

Aerospace manufacturers rely on our 8mm bars for producing critical fastening systems. The diameter allows for precision threading while maintaining the cross-sectional strength necessary for high-vibration environments.

Medical device manufacturers utilize these bars for fabricating surgical drill bits and bone screws. The biocompatible nature of Gr5 Titanium Bar 8mm ensures safe implantation without inflammatory responses.

This diameter is defined by racing teams for lightweight connecting rods and suspension components. This material can handle high stress cycles, while reducing reciprocating mass by 40 percent over the steel equivalents.

Our bars are used in marine engineering projects in underwater camera cases and frames for diving equipment. It’s resistant to chloride, so it won’t corrode in salt water situations as stainless steel might.

Processing Capabilities and Surface Treatment

Our facility centerless grinds bars to a surface roughness of less than Ra 0.8μm. This polish reduces surface flaws which may develop stress cracks under load.

Heat treatment options: Mill-annealed (maximum ductility) Solution treated and aged (maximum strength) This condition can be defined depending on the needs of your final application.

Packaging protection consists of vapor-phase corrosion inhibitors and sealed polyethylene wrap. This avoids surface oxidation during shipment and storage and maintains the integrity of the material until it is machined.

Quality Assurance and Testing

Each production batch is ultrasonically tested for internal voids or impurities greater than 0.5mm. This is a non-destructive test that checks for a good structure throughout the bar.

Confirm all alloy contents are within specification limits using optical emission spectrometry (chemical composition). Mechanical properties are sensitive to the composition of aluminium and vanadium, thus this verification is crucial.

Mechanical testing of sample specimens from each heat lot gives verifiable evidence of tensile qualities. You will receive a Material Test Certificate traceable to the original melt batch.

Our inspection team uses calibrated micrometres to take dimensional accuracy measurements at several spots on each bar. This multi-point measurement shows the diameter and straightness are constant within tolerance.

Machining Recommendations

Machine product with sharp carbide or polycrystalline diamond tools. Surface hardening in front of the cutting edge is caused by the work hardening tendency and can be avoided by keeping the feed rates consistent.

Control heat generation with liberal cutting fluid flow rates of about 30 litres per minute. Titanium has limited thermal conductivity so heat builds up at tool-chip interface and tool wears out faster if it is not cooled properly.

Cut at 40-60% of steel cut speeds. It sounds like a paradox but the slower the speed and the higher the feed rate the better the surface polish and the greater the increase in tool life.

The elasticity of the material might produce chatter, therefore utilise stiff set-ups to minimise vibration. Shorter tool overhangs and careful work-holding help avoid dimensional variances in completed components.

Product Technology and Production Process

Industries Catered

Our products are widely used in medical, automotive, aerospace, chemical, scientific and technological manufacturing and electronic information industries.

Our Factory - A Legacy of Excellence

Founded in 2003 by titanium industry expert Mr. Zhan Wenge, Baoji INT Medical Titanium Co., Ltd. has grown into a benchmark enterprise in the R&D and production of medical titanium materials. With more than 30 years of experience, INT is deeply invested in the development of high-quality titanium for the medical sector. We provide a full range of titanium products, including pure titanium, Ti6Al4V ELI titanium, and custom titanium alloy forgings.

Packaging and Transportation

Why Choose Us?

Choosing Baoji INT Medical Titanium Co., Ltd. means partnering with a trusted leader in the medical titanium industry.

Here’s why:

Proven Expertise: Over 30 years of experience in medical titanium production.
Advanced Technology: State-of-the-art production lines and equipment.
International Certifications: ISO9001:2015, ISO13485:2016, and EU CE certifications.
Comprehensive Support: We provide ongoing technical support, ensuring our products fit seamlessly into your manufacturing process.
Customer-Centric Approach: Committed to delivering high-quality products on time, every time.
For inquiries or orders, please contact us at export@tiint.com. We look forward to partnering with you for your medical titanium needs.

FAQ

Q: Can 8mm Gr5 titanium bars be bent or formed at room temperature?

A: Cold bending is extremely difficult due to high yield strength and spring-back characteristics. For bending applications, heat the material to 650-750°C in an inert atmosphere. The bend radius should be minimum 5 times the diameter to prevent cracking. Most fabricators prefer machining from solid stock rather than forming for the 8mm size.

Q: How does the 8mm diameter compare to 10mm for weight-sensitive aerospace applications?

A: The 8mm bar offers 36% weight reduction compared to 10mm diameter while maintaining 64% of the cross-sectional area. For non-critical fasteners and secondary structures, this reduction provides meaningful fuel savings over aircraft lifecycle. However, always verify that reduced section modulus meets your specific load requirements through FEA analysis.

Q: What surface condition is best for medical instrument manufacturing?

A: Bright annealed with centerless grinding provides the optimal starting point. This surface requires minimal pre-machining cleanup and reduces particulate generation during cutting operations—critical for cleanroom manufacturing environments. The smoother surface also facilitates final electropolishing to achieve the mirror finish required for surgical instruments.

Q: Is hydrogen embrittlement a concern with 8mm Gr5 bars?

A: Yes, particularly during acid pickling or welding operations. Our bars are vacuum degassed to maintain hydrogen content below 125 ppm, well under the 150 ppm threshold where embrittlement becomes problematic. Always use proper shielding gas when welding and avoid over-aggressive chemical cleaning that could introduce hydrogen into the lattice structure.

Q: What is the standard delivery lead time for custom lengths?

A: Standard 3-meter lengths ship within 2-3 weeks from confirmed order. Custom cutting to your specified lengths adds approximately 5-7 business days. For quantities exceeding 500kg, consult our production team for scheduling, as we may optimize your order within an existing heat lot to expedite delivery.

Get Your Precision Gr5 Titanium Bar 8mm Today

Contact our technical sales team at export@tiint.com for Gr5 Titanium Bar 8mm detailed specifications, pricing, and material certifications. We provide customized solutions backed by three decades of titanium manufacturing expertise.