Grade 1 (Commercially Pure) — Properties, Specifications & Supply
Grade 1 (UNS R50250) is the softest and most ductile commercially pure titanium grade, with the lowest oxygen content of the CP series. It offers maximum cold formability at 240 MPa minimum tensile strength and 4.51 g/cm³ density, and is supplied per B265, B348, B338, B381 for chemical processing linings, desalination equipment and deep-drawn parts.
Density
4.51 g/cm3
Melting Point
1668 °C
Tensile Strength
240–345 MPa
Yield Strength
170–310 MPa
Elastic Modulus
103 GPa
UNS Number
R50250
Chemical Composition
| Ti | Fe | O | C | N | H |
|---|---|---|---|---|---|
| Balance | ≤ 0.2 | ≤ 0.18 | ≤ 0.08 | ≤ 0.03 | ≤ 0.015 |
Values in wt%. Single values indicate maximum allowable content.
Mechanical Properties
| Property | Value | Unit |
|---|---|---|
| Ultimate Tensile Strength | 240 – 345 | MPa |
| Yield Strength (0.2% Offset) | 170 – 310 | MPa |
| Elongation at Break | ≥ 24 | % |
| Hardness | 120 | HB |
| Elastic Modulus | 103 | GPa |
| Density | 4.51 | g/cm³ |
| Melting Point | 1668 | °C |
International Grade Equivalents
| Standard | Designation |
|---|---|
| ASTM (USA) | Grade 1 |
| GB/T (China) | TA1 |
| DIN/EN (Germany/EU) | 3.7025 |
| GOST (Russia) | ВТ1-00 |
| JIS (Japan) | TP270 |
| UNS (Unified) | R50250 |
Applicable Specifications
Available Product Forms in Grade 1
Grade 1 is available in 12 product forms. Click any product to view specifications, stock inventory, and pricing.
Titanium Rods & Bars
Dia: 3mm – 350mm
Titanium Sheets & Plates
Sheet: 0.5mm – 5.99mm | Plate: 6.0mm – 100mm
Titanium Tubes
OD: 3.0mm – 114.3mm | WT: 0.4mm – 10mm
Titanium Pipes
OD: Φ40mm – Φ325mm | NPS: 1/2" – 24"
Titanium Wires
Dia: 0.1mm – 7.0mm
Titanium Foils
Thickness: 0.01mm – 0.9mm
Titanium Forgings
Titanium Mesh
Titanium Anodes & Electrodes
Titanium Anode Baskets
Titanium Equipment
Titanium Square Bars
Size: 6mm – 14mm square
Request a Quote for Grade 1
We supply Grade 1 (Commercially Pure) in sheets, plates, bars, tubes, forgings, and custom forms. Certified to ASTM B265 and other applicable standards.
Get a Quote →Frequently Asked Questions
What is Grade 1 titanium used for?
What is the difference between Grade 1 and Grade 2 titanium?
Is Grade 1 titanium an alloy?
Other Titanium Grades
Grade 2
Commercially Pure
345–450 MPa
Grade 4
Commercially Pure (High Strength)
550–680 MPa
Grade 5
α+β Alloy (Ti-6Al-4V)
895–1000 MPa
Grade 7
CP + Pd (Enhanced Corrosion Resistance)
345–450 MPa
Grade 9
Near-α Alloy (Ti-3Al-2.5V)
620–750 MPa
Grade 12
Near-α (Ti-0.3Mo-0.8Ni)
483–620 MPa
Grade 23
α+β ELI (Ti-6Al-4V ELI)
828–965 MPa