Titanium CP Grade 1

Of the more than 40 grades of titanium, commercially pure, unalloyed titanium makes up the first four grades. grade 1 titanium is the highest purity and lowest strength grade of commercially pure titanium. Commercially pure titanium has high corrosion resistance, excellent biocompatibility and good moldability. Many chemical processes use Grade 1 titanium round tubing, while other metals such as stainless steel cannot withstand corrosive fluids or temperatures.

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Characteristics Titanium Grade 1 | ASTM B265 | ASTM F67Chemical composition - limits in % (ASTM B265 latest edition)

Ti	Rest
Fe	max. 0,20
O	max. 0,18
C	max. 0,08
N	max. 0,03
H	max. 0,015

 

Physical constants and thermal properties

Density	4,51g/cm²
Melting point	1670°C
Beta transus temperature	888 ± 4°C
Thermal conductivity at 20°C	16 W/ m°C

Typical mechanical properties (at room temperature for ASTM B265)

Yield strength	min. 138, max. 310 MPa
Tensile strength	min. 240 MPa
Elongation	min. 24%

The purity of Grade 1 seamless titanium tubing makes it an ideal material for the medical industry, as strength is not its primary characteristic. High purity titanium tubing is biocompatible, making it an ideal metal for body parts and medical tools. Thin Wall Grade 1 titanium tubing is the softest and most formable grade of commercially pure titanium.
The cold formability of Grade 1 pure titanium allows it to be fabricated into a variety of shapes such as tubing and pipe. Other grades of titanium are alloyed with other metals for strength, but forgo the formability of commercially pure titanium. grade 1 titanium tubing is the softest grade of titanium tubing available, making it ideally suited for shapes, including bends, that are impossible to make with other grades of titanium tubing.

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What is GR1 Titanium?
GR1 (Grade 1) is commercially pure, unalloyed titanium with a minimum titanium content of 99.5%. It is the most ductile and corrosion-resistant grade among pure titanium alloys, making it ideal for applications where forming and corrosion resistance are critical.

 

Can GR1 titanium be welded?
Yes, GR1 has excellent weldability. Gas Tungsten Arc Welding (GTAW/TIG) with high-purity argon shielding is the standard method. Proper cleaning and shielding are essential to prevent oxidation and maintain corrosion resistance.

 

Does GR1 titanium work harden?
Yes, like most pure metals, GR1 can work-harden during cold forming or machining. Intermediate annealing may be required for severe deformation operations to restore ductility and prevent cracking.

 

Can GR1 be heat-treated for higher strength?
No, GR1 is a non-heat-treatable alloy. Its strength is derived from cold working. Annealing is the only thermal process used to relieve stresses and soften the material after cold working.

 

Is GR1 titanium suitable for medical implants?
Yes, GR1 is widely used for permanent and temporary medical implants (e.g., bone plates, screws, cranial meshes) due to its excellent biocompatibility, corrosion resistance in bodily fluids, and non-toxic nature.

 

How does GR1 compare to GR2 titanium?
GR1 has lower strength but higher ductility and corrosion resistance than GR2. GR2 is more widely used for general-purpose applications, while GR1 is chosen for the most demanding corrosive environments or where severe forming is required.

 

Product Form	Available Shapes / Types	Common Grades	Typical Dimensions (Range)	Standard Specifications
Titanium Tube & Pipe	- Seamless Pipe - Welded Pipe - Heat Exchanger Tubes (U-Tube, Straight) - Hydraulic & Instrumentation Tubing	GR1, GR2, GR7, GR9, GR12, GR5 (Ti-6Al-4V)	- OD: 1/8" to 12" (3mm - 325mm) - Wall Thickness: 0.028" to 1.0" (0.7mm - 25mm) - Length: Up to 20ft (6m) standard, custom lengths available	ASTM B337, B338, B861, B862 ASME SB337, SB338
Titanium Sheet & Plate	- Cold Rolled Sheet - Hot Rolled Plate - Checker Plate / Tread Plate	GR1, GR2, GR5, GR7, GR9, GR12	- Sheet Thickness: 0.016" to 0.187" (0.4mm - 4.7mm) - Plate Thickness: 0.187" to 4" (4.7mm - 100mm)+ - Width: Up to 60" (1500mm) - Length: Up to 240" (6000mm)	ASTM B265 ASME SB265
Titanium Bar & Rod	- Round Bar - Hex Bar - Square Bar - Forged Bar - Centerless Ground Bar	GR1, GR2, GR5, GR7, GR9, GR12	- Round Bar Diameter: 0.125" to 12" (3mm - 300mm) - Hex/Square: 0.125" to 4" (3mm - 100mm) - Length: Random, cut-to-length, or coils (small diameters)	ASTM B348 ASME SB348
Titanium Wire	- Coiled Welding Wire - Straight Length Wire - Spring Wire - Fastener Wire	GR1, GR2, GR5 (ELI for medical), GR7	- Diameter: 0.010" to 0.25" (0.25mm - 6.35mm) standard - Spool Weight: Standard 5lb, 10lb, 25lb spools; custom packaging available	ASTM B863, F67 (for medical)
Titanium Strip & Foil	- Cold Rolled Strip (Coil) - Precision Foil - Shim Stock	GR1, GR2, GR5	- Thickness (Strip): 0.004" to 0.125" (0.1mm - 3.1mm) - Thickness (Foil): 0.0005" to 0.004" (0.012mm - 0.1mm) - Width: Up to 24" (600mm)	ASTM B265 (strip/foil)

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Our factory is equipped with advanced production machinery, including CNC machining centers (3 to 5-axis), high-precision tube mills, cold rolling mills, automated wire drawing lines, and CNC-controlled cutting systems (laser, waterjet, and plasma). We maintain a Class 100,000 clean workshop for medical and aerospace production, supported by argon-protected welding bays, vacuum annealing furnaces, and full-spectrum quality testing labs with CMM, spectrometer, and ultrasonic testing equipment. From raw material to finished product, every step is executed under controlled conditions to ensure dimensional accuracy, metallurgical integrity, and compliance with international standards.

 

Our standard packaging protocol includes multiple protective layers tailored to the specific product form and customer requirements. All materials are first cleaned, dried, and wrapped with VCI (Vapor Corrosion Inhibitor) paper or PE film to prevent oxidation and surface contamination. Products are then securely bundled and cushioned with waterproof corrugated paper and edge protectors. Finished bundles are placed in plywood crates, heavy-duty cardboard boxes, or sealed in moisture-proof PVC film on pallets, with clear, durable labeling for handling and identification. For international sea freight, we offer IPPC-certified fumigation wooden cases or seaworthy export crates, ensuring your order arrives safely and in ready-to-use condition, no matter the destination.

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