Gr5 Titanium Rod Description
Gr5 Titanium Rod Introduction
Gr5 titanium rod is an α+β type titanium alloy rod conforming to the American standard ASTM B348 grade 5 (Ti 6Al 4V), manufactured according to general industrial standards and used in industrial applications.
Grade introduction: ASTM B348 grade 5 is the most widely used titanium alloy.
Rod forms: Round rods, square rods, hexagonal rods, etc., made by hot rolling, forging, cold drawing and other processes, are one of the most basic profiles of titanium materials.
Technical Specifications
Regular Specification
| Items | Specification |
| Diameter range(φ, mm) | Regular market stock: φ8-φ200 mm |
| Small size cold drawing/polishing: φ4-φ30 mm | |
| Large-size forged rods: φ100-φ300 mm | |
| Cross-sectional shapes | Round rod(regular) |
| Square/hexagonal rod: 6×6-80×80 mm(customized), S6-S80 | |
| Imperial units: 1/4″ (6.35), 1/2″ (12.7), 1″ (25.4), 2″ (50.8), 3″ (76.2) | |
| Length(mm) | Annealed state(M): 300-3000 mm(mainly irregular length) |
| Hot/cold working state(R/Y): 300-6000 mm | |
| Fixed length/multiple length | Within the above range, a deviation of +15 mm is permissible, with an additional +5 mm per cut. |
Supply Specification
| Code | Name | Common name | Features and performance |
| M | Annealed state |
Annealed state soft condition |
It offers stress relief, good plasticity, resistance to cracking, ease of processing, and good weldability. |
| R | Hot-working state | Hot-rolled condition black surface rod | High strength, internal stress, prone to deformation during processing, and prone to vibration during machining. |
Surface Specification
| Surface | Common name | Process | Appearance | Application |
| Black/forged/hot rolled surface | Black surface unmachined rod | Forged/rolled (unprocessed) | The surface has an oxide scale, is rough, and has large tolerances | Blanking, forging, structural parts with no surface requirements |
| Peeling stick | Peeled rod | Centerless peeling | The surface is silvery-white, without oxide scale, and relatively smooth | General machining, shafts, fastener blanks |
| Glossy surface | Turned/polished | Finish turning | Uniform surface with higher smoothness than a peeled finish | Precision parts with a clean finish |
| Polished surface | Centerless ground finish |
Rough grinding Finish grinding |
Bright surface with high dimensional accuracy | Precision shafts/high-finish wear components |
Chemical Specification
| Elements | Ti(Balance) | O | Al | V | Fe | C | N | H | Impurities |
| Max. content(%) | Basic element | ≤0.2 | 5.5-6.75 | 3.5-4.5 | ≤0.30 | ≤0.08 | ≤0.05 | ≤0.015 | ≤0.40 |
Physical Specification
| Basic properties | Standard | Physical properties | Value |
| Tensile strength | ≥895 MPa | Density | 4.51 g/cm³ |
| Yield strength | ≥825 MPa | Melt point | ~1668 ℃ |
| Elongation | ≥10% | – | – |
International Standard
| Standard system | Grade | Standard |
| China(GB) | TC4 | GB/T 2965、GB/T 3620.1 |
| USA(ASTM) | Ti-6Al-4V(Grade 5) | AMS 4928 |
| Russia(GOST) | BT6 | GOST 19807、GOST 26492 |
| Japan(JIS) | SAT-64 | JIS H4650 |
| Europe(EN) | TiAl6V4 | EN 3.7065、EN ISO 5832-3 |
| Germany(DIN) | 3.7165 | DIN 17861 |
| UK(IMI) | IMI 318 | EN ISO 5832-3 |
Titanium grades comparison: Gr1 vs Gr2 vs Gr4 vs Gr5
| Comparison items | Gr1 | Gr2 | Gr4 | Gr5 |
| Type | Commercially pure titanium | Commercially pure titanium | Commercially pure titanium | α+β titanium alloy |
| Content | High-purity titanium | General grade | Low-grade titanium | Ti6Al4V alloy |
| Tensile strength | ≥240 MPa | ≥345 MPa | ≥585 MPa | ≥895 MPa |
| Elongation |
Excellent ≥20% |
Good ≥18% |
Good ≥15% |
Normal ≥10% |
| Corrosion resistance | Excellent | Excellent | Good | Good |
| Weldability | Excellent | Good | Good | Normal |
| Machinability | Easily | Easily | Relatively easily | Hard |
| Weight | Light | Light | Light | Light |
| Application |
Deep drawing Welding Bellows |
Chemical corrosion resistance Flange Pipe fittings |
High-strength CP titanium structural parts |
High-strength structures Shafts Connecting rods Molds |
Features & advantages
- High strength-to-weight ratio (lightweight, high specific strength, aerospace materials, structural optimization), with strength approaching that of high-strength steel but density only about 60%, making it suitable for weight-sensitive high-end structural components.
- Excellent corrosion resistance (resistance to seawater corrosion, chloride ion corrosion, chemical equipment, passivation film TiO₂), long-term stability in highly corrosive environments, and low maintenance costs.
- Excellent high-temperature resistance (high-temperature stability, thermal strength, use at 400–500°C, engine components), maintaining strength and structural stability even in medium and high-temperature environments.
- High fatigue resistance (high fatigue life, cyclic loading, crack propagation resistance, suitable for dynamic structural components), applicable to long-term alternating stress environments.
- It has good creep resistance (high temperature creep resistance, long-term stability, long-term load bearing, high temperature structural material) and is suitable for high-temperature environments with long-term stress.
- Low thermal conductivity (thermal insulation, poor heat dissipation during machining, heat concentration) is beneficial for heat insulation, but care must be taken to prevent tool wear during machining.
- Excellent weldability (argon arc welding, vacuum welding, inert gas shielded welding, high welding process requirements), suitable for high-end precision manufacturing.
- The machining process is quite challenging (difficult-to-machine materials, tool sticking, rapid tool wear, and demanding cutting requirements), necessitating specialized equipment and optimized process control.
Performance Solution
Problem: Traditional steel is prone to corrosion and rust in seawater or chlorine-containing environments, resulting in a short lifespan and frequent maintenance.
Solution: Using Gr5 titanium material, which has excellent resistance to seawater and chloride ion corrosion, and forms a stable TiO₂ passivation film on the surface, significantly extending its service life.
Problem: Aluminum alloys lack sufficient strength, making them prone to deformation or failure under high loads or in critical structures.
Solution: Use Gr5 titanium, which combines high strength with lightweight design, meeting high-strength structural requirements while reducing weight.
Problem: Stainless steel experiences a significant decrease in strength at high temperatures, affecting equipment stability.
Solution: Gr5 titanium exhibits excellent high-temperature stability, maintaining high strength within the 400–500°C range.
Problem: Ordinary metallic materials may cause rejection or corrosion in the human body, affecting health.
Solution: Gr5 titanium has excellent biocompatibility, is non-toxic and harmless, and can integrate well with human bone, making it suitable for medical implantation.
Problem: Conventional materials are prone to fatigue fracture under alternating loads, posing a safety hazard.
Solution: Gr5 titanium exhibits excellent fatigue resistance and can withstand long-term cyclic stress, improving structural safety.
Problem: Under prolonged high-temperature and stress conditions, materials are prone to creep deformation, leading to dimensional instability.
Solution: Gr5 titanium has excellent creep resistance, making it suitable for components that operate stably at high temperatures for extended periods.
Problem: Some materials conduct heat too quickly, leading to heat concentration or loss, affecting system efficiency.
Solution: Gr5 titanium has low thermal conductivity, which helps with thermal insulation and management, improving system stability.
Problem: Traditional steel has a big issue. It gets corroded and rusty when it is in seawater or places with chlorine. This means it does not last long and needs to be fixed often.
Solution: Using Gr5 titanium material is a solution because it can withstand seawater and chloride ion corrosion really well. It also forms a TiO₂ passivation film on the surface, which makes it last a lot longer.
Problem: Aluminum alloys are not strong enough. They can get. Even break when they have to handle heavy loads or are used in critical structures.
Solution: Gr5 titanium rod is very strong, but lightweight, which makes it perfect for structures that need to be strong without being too heavy.
Problem: Stainless steel is also not great when it gets hot. It loses a lot of its strength, which can affect the stability of equipment.
Solution: Gr5 titanium is much better in this case. It stays strong when it gets very hot up to 400-500°C.
Problem: Some metals can also be bad for our health. They can cause our body to reject them or get corroded, which can be harmful.
Solution: Gr5 titanium is very safe for our body. It is non-toxic. Can integrate well with our bones, which makes it a great material for medical implants.
Problem: For some materials is that they can get fractured when they have to handle loads that keep changing. This can be a safety hazard.
Solution: Gr5 titanium is very resistant to fatigue and can handle long-term cyclic stress, which makes it much safer.
Problem: When materials are under a lot of stress and heat for a time they can get deformed, which can affect their shape and stability.
Solution: Gr5 titanium is very resistant to creep, which means it can keep its shape and stay stable even when it is under a lot of stress and heat for a time.
Problem: Some materials can also conduct heat quickly which can cause heat to build up or get lost affecting the efficiency of a system.
Solution: Gr5 titanium has low thermal conductivity, which helps with thermal insulation and management making the system more stable.
Problem: Some materials are not suitable for applications because they have high thermal conductivity.
Solution: Gr5 titanium has thermal conductivity, which makes it suitable for applications where thermal insulation is important.
Problem: Complex structural components are prone to oxidation or defects during welding, affecting the quality of the connection.
Solution: Gr5 titanium material exhibits excellent welding performance under inert gas protection, enabling high-quality, highly reliable connections to meet the demands of high-end manufacturing.
Application
- Aerospace is a field that includes things like parts for aircraft structures, engine components and fasteners. It is also about making things lightweight.
- Chemical and petroleum is another area where you need equipment that can resist corrosion like reactors and heat exchangers and piping systems.
- Marine engineering is about the ocean and includes things like equipment to turn seawater into drinking water and parts that can resist seawater corrosion.
- Energy and power is an important field that includes equipment, for nuclear power systems that exchange heat and parts that can handle really high temperatures and pressures.
- There are also people who do high-end manufacturing and machining they make precise parts and automated equipment and they work with strong fasteners and parts that can resist fatigue, which is when something breaks because it has been used too much.
Custom Processing Capabilities
1) Production Line Strength
Baoji Titanium Valley Ti-Ni-Zr Material Processing Co., Ltd. has invested a total of $36.2 million in high-end strip and foil production, establishing an advanced production line for titanium, nickel, zirconium and their alloy strips and foils in the world.
The production line specializes in the stable rolling of ultra-thin, wide-width strips, overcoming critical industry challenges such as springback, difficult shape control and inconsistent material properties. We achieved stable mass production of high-end titanium foil.
With an annual capacity of 3,000 tons, the production line is expected to realize an annual output value of $116 million, supporting large-volume supply demands from high-end customers in aerospace, electronics, new energy, chemical engineering and other industries..
2) The production line is equipped with advanced equipment in the world which can ensure high precision and stability for every coil of strip and foil:
A.750mm 20-high precision rolling mill: enable precision rolling of ultra-thin, wide-width strips
B.Continuous cleaning and annealing line: ensure surface cleanliness and uniform microstructure
C.Vacuum furnace: improve stability of material properties
D.Leveler: enhance strip shape and flatness
E.Slitting line: high-precision slitting suitable for ultra-thin materials
F.Sanding line: optimize surface consistency and texture.
Through precision equipment and optimized processes, the production line has successfully broken through seven core technical barriers for strip and foil products, including surface color difference control, thickness tolerance control, uniform annealing structure, high-precision slitting, and high-performance cleaning processes.
3) We provide one-stop custom processing from raw materials to finished products, ensuring stable supply of high-precision, high-performance products to our customers.
A.Materials: Pure titanium, titanium alloys, zirconium, nickel
Specifications: Thickness 0.02–1.0mm, width 350–670mm, customize according to requirement.
B.Surface treatment: Cleaning, sanding, degreasing, annealing; available in bright, matte and other function surface.
C.Dimensional & flatness control: Precise control of thickness, tolerances and surface flatness
D.Slitting & cutting to length: Suitable for ultra-thin wide strips with high yield and stable quality
E.Mass delivery: Annual capacity of 3,000 tons to meet large-volume, high-standard custom orders