Graphite Coated Titanium Wire
Products Description Product Name: Graphite Coated Titanium Wire Grade: GR2 GR1 GR5 GR12 Standard: ASTM B863 Specifications: Small diameter 0.1mm-1.5mm Other specifications can be customized State: Vacuum annealed Density: 4.51 g/cm³ Surface: Black or dark gray Titanium Wire Manufacturing...
Product Introduction
Products Description
Product Name: Graphite Coated Titanium Wire
Grade: GR2 GR1 GR5 GR12
Standard: ASTM B863
Specifications: Small diameter 0.1mm-1.5mm
Other specifications can be customized
State: Vacuum annealed
Density: 4.51 g/cm³
Surface: Black or dark gray
Titanium Wire Manufacturing Process
Titanium wire is produced by cold drawing titanium rods. Small diameter titanium wires (0.1mm-1.5mm) inherit the physical processing properties of titanium metal, namely, a large work hardening effect and poor thermal conductivity, which makes it prone to sticking to the die during the drawing process, leading to wire breakage. To ensure continuous production of titanium wire and to guarantee good elongation properties of the finished product, a lubricating drawing graphite coating is applied to the surface. The dense graphite adheres to the surface of the titanium wire, appearing black, hence titanium wire with a graphite emulsion coating is called black-skinned titanium wire.
The graphite coating is like putting a "multi-functional protective suit" on the titanium wire. In harsh chemical environments, it resists corrosion-1; in complex machining processes, it also serves as a lubricant and isolator. Its color is generally black or dark gray, with a matte finish, not glossy black.
Chemical composition of titanium wire
| GRADE | Fe (Max) |
C (Max) |
N (Max) |
H (Max) |
O (Max) |
Al ~ |
V ~ |
Pd ~ |
Ni~ | Mo ~ |
Ti |
| GRADE 1 |
0.2 | 0.08 | 0.03 | 0.015 | 0.18 | / | / | / | / | / | Balance |
| GRADE 2 |
0.3 | 0.08 | 0.03 | 0.015 | 0.25 | / | / | / | / | / | Balance |
| GRADE 5 |
0.4 | 0.08 | 0.05 | 0.015 | 0.2 | 5.5~6.75 | 3.5~4.5 | / | / | 1 | Balance |
| GRADE 7 |
0.3 | 0.08 | 0.03 | 0.015 | 0.25 | / | / | 0.12~0.25 | / | I | Balance |
| GRADE 12 |
0.3 | 0.08 | 0.03 | 0.015 | 0.25 | / | / | / | 0.6~0.9 | 0.2~0.4 | Balance |
Mechanical properties of titanium wire
| GRADE | Conditions | Tensile Strength (Min) | Yield Strength (Min) | Elongation(Min) | ||
| Ksi | Mpa | Ksi | Mpa | % | ||
| GRADE 1 | Annealed M | 35 | 240 | 20 | 138 | 24 |
| GRADE 2 | Annealed M | 50 | 345 | 40 | 275 | 20 |
| GRADE 5 | Annealed M | 130 | 895 | 120 | 828 | 10 |
| GRADE 7 | Annealed M | 50 | 345 | 40 | 275 | 20 |
| GRADE 12 | Annealed M | 70 | 438 | 50 | 345 | 18 |
Suitable applications?
Industrial Filtration and Separation:
Woven into titanium mesh, used for chemical liquid filtration, seawater desalination pretreatment, and material screening in the fertilizer industry. Primarily utilizing its excellent acid and alkali corrosion resistance to protect the titanium substrate, especially in environments with hydrochloric acid and nitric acid, significantly extending component lifespan.
Electrochemistry and Surface Treatment:
As a titanium anode substrate in the electroplating industry. The graphite coating is not only corrosion-resistant but also possesses good conductivity, ensuring the stability and efficiency of electrochemical processes.
Environmental Protection and Chemical Industry:
Used in the manufacture of gas-liquid separation devices in acid mist towers-1. Provides reliable protection in acidic corrosive environments, ensuring long-term stable operation of the equipment.
Aerospace Manufacturing:
As a raw material for manufacturing titanium alloy fasteners (such as bolts and rivets) wire coating-2. During high-speed cold heading or high-temperature (e.g., 700-820℃) forming processes, the graphite coating acts as a high-temperature resistant solid lubricant, preventing the titanium material from adhering to the mold and ensuring precision forming.
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