Titanium Ti Gr1 Coil
May 19, 2026
Titanium Grade 1 (GR1) coil represents the softest and most ductile form of commercially pure titanium, engineered for applications requiring extreme formability, high corrosion resistance, and reliable performance in aggressive environments.
Supplied in continuous coil form, GR1 titanium coil is ideally suited for precision forming processes such as stamping, deep drawing, and spinning, while maintaining excellent surface integrity and mechanical stability.
Key Characteristics
| Characteristic | Description |
|---|---|
| Outstanding ductility and formability | Softest and most ductile CP titanium grade – ideal for GR1 titanium for deep drawing |
| Excellent corrosion resistance | Performs well in chemical and marine environments |
| High purity | Suitable for sensitive and critical applications |
| Lightweight | Titanium grade 1 density – 4.51 g/cm³ |
| Stable mechanical properties | Consistent performance across applications |
| Superior surface quality | Ready for further processing |
Specifications
| Parameter | Range |
|---|---|
| Standard | ASTM B265 |
| Material Grade | Titanium Grade 1 (GR1) |
| Form | Coil / Sheet (cut-to-length available) |
| Thickness | 0.5 – 3.0 mm |
| Width | 1000 – 1500 mm |
| Coil length | Continuous |
| Thickness tolerance | ±0.07 mm |
| Width tolerance | +1.6 mm / 0 |
| Length tolerance | +6.35 mm / 0 (for cut-to-length) |
Chemical Composition
GR1 titanium chemical composition limits (max %):
| Element | Max % |
|---|---|
| Iron (Fe) | 0.15 |
| Carbon (C) | 0.05 |
| Oxygen (O) | 0.10 |
| Nitrogen (N) | 0.03 |
| Hydrogen (H) | 0.012 |
| Others (total) | ≤0.40 |
| Titanium (Ti) | Balance |
Mechanical Properties
| Property | Min Value |
|---|---|
| Tensile strength | ≥ 240 MPa |
| GR1 titanium yield strength (Rp0.2) | 138 – 310 MPa |
| Elongation | ≥ 55% |
| Bending and cupping performance | Excellent |
Processing Capabilities
To support diverse manufacturing requirements, GR1 titanium coil processing capabilities include:
| Process | Description |
|---|---|
| Coil unwinding and leveling | Prepares coil for further processing |
| Laser cutting | Precision cutting of GR1 titanium sheet |
| Waterjet cutting | Cold cutting process – no heat-affected zone |
| Shearing | Straight cuts for sheet production |
| Custom sheet sizing | Cut-to-length from coil |
| Precision cutting | Tight dimensional tolerances |
| Surface finishing | Available upon request |
GR1 titanium forming/bending – the excellent ductility of this grade makes it ideal for stamping, deep drawing, and spinning operations.
Quality Assurance
| QA Measure | Description |
|---|---|
| Full material traceability | Complete documentation from raw material to final product |
| Mill test certificate | Chemical and mechanical properties verified |
| Third-party inspection | Available upon request (BV / SGS) |
| Strict dimensional control | Thickness: ±0.07 mm, Width: +1.6/0 mm |
| Surface quality control | Superior surface integrity |
Applications of GR1 Titanium Coil
GR1 titanium coil is widely used in the following industries:
| Industry | Application |
|---|---|
| Aerospace | Lightweight structural components, engine and auxiliary system parts |
| Medical & Healthcare | Implants and surgical devices, dental and orthopedic components – medical grade 1 titanium (ASTM F67 grade 1) |
| Chemical Processing | GR1 titanium heat exchanger, tanks and reactors, corrosion-resistant piping systems – GR1 titanium for chemical processing |
| Marine & Desalination | Seawater cooling systems, offshore and coastal infrastructure |
| Architecture & Design | Cladding and roofing systems, decorative and high-end structural elements |
GR1 titanium heat exchanger components and GR1 titanium reactor parts benefit from the material's excellent corrosion resistance and formability.
FAQ
Q1: What is GR1 titanium coil?
A: GR1 titanium coil represents the softest and most ductile form of commercially pure titanium, engineered for applications requiring extreme formability, high corrosion resistance, and reliable performance in aggressive environments. Supplied in continuous coil form, it is ideally suited for precision forming processes such as stamping, deep drawing, and spinning.
Q2: What is the UNS number for GR1 titanium?
A: The UNS number for GR1 titanium is R50250. ASTM B265 Grade 1 uses UNS R50250. Medical grade 1 titanium uses ASTM F67 Grade 1 with the same UNS designation.
Q3: What is the density of titanium grade 1 coil?
A: Titanium grade 1 density is 4.51 g/cm³. This low density makes GR1 titanium coil lightweight with stable mechanical properties.
Q4: What is the chemical composition of GR1 titanium coil?
A: GR1 titanium chemical composition (max %): Fe 0.15, C 0.05, O 0.10, N 0.03, H 0.012, others total ≤0.40, Ti balance. The oxygen limit (0.10%) is significantly lower than typical ASTM B265 (0.18% max), indicating ultra-high purity.
Q5: What are the mechanical properties of GR1 titanium coil?
A: Tensile strength ≥240 MPa, GR1 titanium yield strength 138-310 MPa, elongation ≥55%. The elongation (≥55%) is significantly higher than typical ASTM B265 (24% min), indicating exceptional ductility for GR1 titanium for deep drawing.
Q6: What is the thickness range for GR1 titanium coil?
A: GR1 titanium coil is available in thicknesses from 0.5mm to 3.0mm. Width ranges from 1000mm to 1500mm. Coil length is continuous. Thickness tolerance is ±0.07 mm.
Q7: Is GR1 titanium coil suitable for deep drawing?
A: Yes, GR1 titanium for deep drawing is excellent. With elongation ≥55% and being the softest and most ductile CP titanium grade, GR1 titanium is ideally suited for precision forming processes such as stamping, deep drawing, and spinning.
Q8: Is GR1 titanium coil corrosion resistant?
A: Yes, GR1 titanium coil offers excellent corrosion resistance in chemical and marine environments. It is widely used in chemical processing equipment (GR1 titanium heat exchanger, tanks, reactors) and marine applications (seawater cooling systems, offshore infrastructure).
Q9: Is GR1 titanium coil suitable for medical applications?
A: Yes, medical grade 1 titanium (ASTM F67 grade 1) is used for implants, surgical devices, dental components, and orthopedic components. GR1 titanium offers high purity for sensitive and critical applications.
Q10: What is the difference between GR1 and GR2 titanium?
A: The difference between pure titanium GR1 and GR2 is primarily oxygen content. GR1 has lower oxygen (0.10% in this specification) than GR2 (0.25% max), resulting in higher ductility and lower strength. Titanium grade 1 vs grade 2 – GR1 is more formable; GR2 offers higher strength.
Q11: What is the yield strength of GR1 titanium coil?
A: GR1 titanium yield strength ranges from 138-310 MPa. The lower end of this range (138 MPa) allows for excellent GR1 titanium forming/bending and deep drawing capability. The higher end provides sufficient strength for many applications.
Q12: Is GR1 titanium coil suitable for aerospace applications?
A: Yes, GR1 titanium coil is used in aerospace for lightweight structural components, engine parts, and auxiliary system parts. The combination of low density (4.51 g/cm³), excellent formability, and corrosion resistance makes it ideal for these applications.
Q13: Is GR1 titanium coil suitable for marine applications?
A: Yes, GR1 titanium coil is used in marine and desalination applications including seawater cooling systems and offshore/coastal infrastructure. GR1 titanium offers excellent corrosion resistance in seawater environments.
Inspection
Tensile testing – confirms ≥240 MPa tensile strength
Yield strength testing – confirms 138-310 MPa range
Elongation testing – confirms ≥55%
Bending and cupping performance testing
Dimensional inspection – thickness, width, length (cut-to-length)
Surface finish verification

Packaging
Coil wound on steel or wooden core
VCI paper inner wrap – prevents surface oxidation
Plastic shrink wrap – moisture protection
Steel strap bundling – secures coil
Wooden crate or pallet – for transport
Labeling – grade (GR1), standard (ASTM B265), dimensions (thickness × width), heat number, coil weight
Documentation pouch – packing list and mill test certificate

Manufacturing Equipment
Pickling line – removes oxide scale
Coil winding equipment – produces continuous coil form
Slitting line – width cutting (1000-1500mm)
Cut-to-length line – sheet production from coil
Laser cutting machine – precision cutting
Waterjet cutting machine – cold cutting
Shearing machine – straight cuts
Leveling line – coil unwinding and leveling
Surface finishing equipment – upon request








