Description
The Titanium Gr2 Bolt DIN912 is a high-performance fastener made from commercially pure
titanium or titanium alloy. Known for its lightweight, high strength, and excellent corrosion resistance, this bolt type is ideal for demanding applications in aerospace, medical, and automotive industries.
Compared with traditional steel fasteners, titanium bolts provide a
superior strength-to-weight ratio and outstanding durability,
making them suitable for environments requiring high performance
and long service life.
Specifications
| Item | Details |
|---|
| Product Name | Titanium Gr2 Bolt DIN912 / Hex Socket Head Titanium Bolt |
| Grade | Gr2, Gr5 |
| Size | M1.6 – M30 |
| Pitch | 1.0 / 1.25 mm |
| Color | Titanium natural, green, blue, gold, black, purple |
| Surface Finish | Polished, Pickling, Anodized |
| Head Style | Hex Socket Head |
| Standard | DIN912 |
| Material | Commercially Pure Titanium (Gr2) or Titanium Alloy (Gr5) |
Chemical Composition & Physical Properties
Physical Properties
| Grade | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
|---|
| Gr1 | 240 | 170 | 24 |
| Gr2 | 345 | 275 | 20 |
| Gr4 | 550 | 483 | 15 |
| Gr5 | 895 | 828 | 10 |
| Gr7 | 400 | 275 | 18 |
| Gr9 | 620 | 483 | 15 |
| Gr12 | 483 | 348 | 18 |
| Gr23 | 793 | 759 | 10 |
Chemical Composition
| Grade | Fe (%) | O (%) | N (%) | C (%) | H (%) | Pd (%) | Al (%) | V (%) | Ni (%) | Mo (%) | Ti |
|---|
| Gr1 | 0.20 | 0.18 | 0.03 | 0.08 | 0.015 | — | — | — | — | — | Balance |
| Gr2 | 0.30 | 0.25 | 0.03 | 0.08 | 0.015 | — | — | — | — | — | Balance |
| Gr4 | 0.50 | 0.40 | 0.05 | 0.08 | 0.015 | — | — | — | — | — | Balance |
| Gr5 | 0.40 | 0.20 | 0.05 | 0.08 | 0.015 | — | 5.5–6.7 | 3.5–4.5 | — | — | Balance |
| Gr7 | 0.30 | 0.25 | 0.03 | 0.08 | 0.015 | 0.12–0.25 | — | — | — | — | Balance |
| Gr9 | 0.25 | 0.15 | 0.03 | 0.08 | 0.015 | — | 2.5–3.5 | 2.0–3.0 | — | — | Balance |
| Gr12 | 0.30 | 0.25 | 0.03 | 0.08 | 0.015 | — | 0.6–0.9 | 0.2–0.4 | — | — | Balance |
| Gr23 | 0.25 | 0.03 | 0.03 | 0.08 | 0.0125 | — | 5.5–6.5 | 3.5–4.5 | — | — | Balance |
Applications
Titanium bolts and screws are used across numerous industries due
to their unique combination of strength, low weight, and corrosion
resistance.
1. Aerospace Industry
Titanium bolts are extensively used in aircraft and spacecraft components such as fuselages, engines, fuel tanks, and structural
assemblies. Their low density, high tensile strength, and
resistance to extreme environments make them ideal for flight
applications.
2. Biomedical Field
Titanium’s excellent biocompatibility allows these fasteners to be used in orthopaedic, dental, and cardiovascular implants. Titanium does not cause allergic reactions or toxicity, making it
a preferred material for medical devices and prosthetics.
3. Marine Engineering
In marine and offshore environments, titanium bolts withstand corrosive saltwater and high-pressure conditions. They are ideal for ships, offshore platforms, and underwater
equipment requiring long-term reliability.
4. Automotive Industry
Titanium fasteners reduce vehicle weight while maintaining
strength, contributing to energy savings, emission reduction, and performance optimisation. They are commonly used in engines, suspensions, and performance
vehicle assemblies.
5. Other Applications
Titanium bolts are also used in:
Chemical equipment (reactors, heat exchangers)
Energy systems (power station condensers)
Food processing machinery
Sports equipment (bicycles, golf clubs)
Precision instruments and luxury goods
Advantages
Lightweight yet high-strength
Excellent corrosion and heat resistance
Non-magnetic and non-toxic
Long service life
Beautiful anodised finish options
Suitable for high-precision, high-demand industries
