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ASTM B265 Grade 2 Titanium Plate | UNS R50400 | Dongmeng Group
Xi'an Dongmeng Group Co., Ltd. supplies ASTM B265 Grade 2 Titanium Plate (UNS R50400) for industrial equipment manufacturers, engineering contractors, metal distributors and international procurement projects. Commercially pure Grade 2 titanium offers an excellent combination of corrosion resistance, moderate mechanical strength, weldability and fabrication performance.
Our Grade 2 titanium plate sourcing solutions support chemical processing equipment, pressure vessel components, heat exchanger tube sheets, seawater desalination equipment and marine engineering applications. We assist customers with material specification reviews, thickness selection, custom cutting requirements, inspection arrangements and export documentation.
Grade 2 titanium plate can be supplied to applicable ASTM B265 or ASME SB-265 requirements, with chemical composition, mechanical properties, dimensions and inspection documentation confirmed according to the purchase specification.
For project procurement, customers can request quotations based on material grade, plate thickness, dimensions, quantity, surface condition and applicable testing requirements.
What Is Grade 2 Titanium Plate?
Grade 2 titanium plate is a commercially pure, unalloyed titanium flat product designated as UNS R50400.
It is widely selected for engineering applications where excellent corrosion resistance, good weldability and moderate strength are required.
Unlike Grade 5 titanium, which is strengthened by aluminum and vanadium alloying additions, Grade 2 achieves its mechanical properties through controlled residual and interstitial elements, particularly oxygen and iron.
Grade 2 offers higher strength than Grade 1 titanium while retaining good ductility and forming characteristics.
A naturally formed titanium oxide layer provides strong corrosion resistance in many seawater, chloride-containing and oxidizing environments.
These properties make Grade 2 titanium suitable for fabricating corrosion-resistant industrial components, including:
Chemical reactor and vessel components
Heat exchanger tube sheets
Evaporator and condenser components
Desalination equipment
Marine equipment
Industrial tanks and fabricated assemblies
For equipment operating under pressure, material selection must also consider the applicable design code, design temperature, allowable stress and fabrication requirements.
ASTM B265 Grade 2 Titanium Plate Specifications
| Parameter | Typical Supply / Quotation Options |
|---|---|
| Product | Grade 2 Titanium Plate |
| Material | Commercially Pure Titanium |
| UNS | R50400 |
| Standard | ASTM B265 / ASME SB-265 as specified |
| Thickness | 5–100 mm (0.197–3.937 in), subject to confirmation |
| Special Thickness | Above 100 mm subject to mill capability and separate qualification |
| Width | 1000 / 1219 / 1500 / 2000 mm or agreed dimensions |
| Length | 2000 / 2438 / 3000 / 6000 mm or custom |
| Processing | Hot Rolled and Annealed |
| Surface | Descaled / Pickled / Ground |
| Edge | Mill Edge / Cut Edge / Machined Edge |
| Cutting | Saw Cutting / Waterjet / CNC Profiling |
| Inspection | According to purchase specification |
| Documentation | MTC / Chemical and Mechanical Test Reports |
| Packaging | Protected Pallets / Wooden Cases / Export Packaging |
Important: Dimensions represent possible quotation options rather than guaranteed stock. Availability, tolerances and certification must be confirmed for each order.
Under ASTM B265 product classification, titanium material over approximately 4.75 mm (0.187 in) thick and over 254 mm (10 in) wide is generally categorized as plate.
For thinner material, customers should request Grade 2 titanium sheet.
Typical Thickness Options
| Thickness (mm) | Approx. Thickness (inch) | Typical Applications |
|---|---|---|
| 5 mm | 0.197" | Fabricated panels and equipment parts |
| 6 mm | 0.236" | Chemical equipment components |
| 8 mm | 0.315" | Industrial fabrication |
| 10 mm | 0.394" | Vessel components and equipment plates |
| 12 mm | 0.472" | Structural equipment components |
| 15 mm | 0.591" | Fabricated industrial components |
| 20 mm | 0.787" | Heavier chemical equipment |
| 25 mm | 0.984" | Industrial plates and machined components |
| 30 mm | 1.181" | Custom-machined equipment parts |
| 40 mm | 1.575" | Heavy equipment components |
| 50 mm | 1.969" | Thick plate fabrication |
| 60–100 mm | 2.362–3.937" | Special heavy-plate projects |
Application suitability depends on engineering calculations, material condition, fabrication requirements and applicable codes.
Grade 2 Titanium Plate Weight Calculation
For procurement and freight planning, the approximate theoretical plate weight can be calculated using:
Weight (kg) = Thickness (mm) × Width (m) × Length (m) × 4.51
The calculation uses a nominal titanium density of 4.51 g/cm³.
Example:
A Grade 2 titanium plate measuring 10 × 1000 × 2000 mm has an approximate theoretical weight of:
10 × 1 × 2 × 4.51 = 90.2 kg
Actual weight may vary with dimensional tolerances.
Grade 2 Titanium Chemical Composition
Grade 2 titanium is classified as commercially pure titanium.
Its mechanical properties are influenced by controlled concentrations of oxygen, iron and other interstitial elements.
Chemical Composition – ASTM Grade 2 / UNS R50400
| Element | Symbol | Maximum Content (wt. %) |
|---|---|---|
| Titanium | Ti | Balance |
| Oxygen | O | 0.25 |
| Iron | Fe | 0.30 |
| Carbon | C | 0.08 |
| Nitrogen | N | 0.03 |
| Hydrogen | H | 0.015 |
The table summarizes commonly specified Grade 2 composition limits. Other residual-element limits and product-analysis requirements must follow the applicable edition of the purchase standard.
Why Chemical Composition Matters
Oxygen Content
Oxygen contributes significantly to the strength of commercially pure titanium. Excess oxygen can reduce ductility and affect fabrication performance.
Iron Content
Iron is controlled to maintain consistent material properties and compliance with the specified titanium grade.
Hydrogen Content
Excessive hydrogen absorption can cause embrittlement and adversely affect material performance.
Nitrogen and Carbon
These elements must remain within specified limits to maintain the required mechanical and fabrication characteristics.
For critical equipment projects, chemical analysis results should be reviewed against the applicable material specification and heat number.
Grade 2 Titanium Mechanical Properties
Grade 2 titanium provides a useful combination of strength, ductility and fabrication performance.
Typical ASTM B265 Grade 2 Requirements – Annealed Condition
| Mechanical Property | Metric Value | Imperial Value |
|---|---|---|
| Tensile Strength | ≥345 MPa | ≥50 ksi |
| 0.2% Yield Strength | ≥275 MPa | ≥40 ksi |
| Upper Yield Strength Limit | 450 MPa where applicable | Approximately 65 ksi |
| Elongation | ≥20% | ≥20% |
| Material Condition | Annealed | Annealed |
Technical Note: These are commonly referenced room-temperature requirements for applicable annealed Grade 2 sheet and plate thicknesses. Mechanical-property requirements for thicker sections, particularly above approximately 25 mm, may require separate agreement and verification against the governing specification.
Engineering Considerations
Grade 2 titanium is suitable for applications requiring a balance between corrosion resistance and moderate mechanical strength.
For pressure vessels, heat exchangers and other safety-critical equipment, design calculations must use the allowable stresses and requirements established by the applicable engineering code.
Minimum room-temperature tensile properties should not be substituted directly for allowable design stresses.
Physical Properties of Grade 2 Titanium
| Property | Typical Value |
|---|---|
| Density | 4.51 g/cm³ |
| Density | 0.163 lb/in³ |
| Elastic Modulus | Approximately 105 GPa |
| Thermal Conductivity | Approximately 16.4 W/m·K |
| Coefficient of Thermal Expansion | Approximately 8.6 × 10⁻⁶ /K |
| Melting Point | Approximately 1670°C |
| Crystal Structure at Room Temperature | Alpha (HCP) |
| Magnetic Behavior | Essentially Nonmagnetic |
These are representative material properties, not guaranteed acceptance values. Properties may vary with temperature, processing history and material condition.
Lightweight Industrial Material
Grade 2 titanium has a density approximately 43% lower than that of conventional carbon steel.
This can be advantageous when reduced component weight is important.
However, material selection should consider the entire engineering design, including strength, stiffness, wall thickness, corrosion allowance and fabrication cost.
Corrosion Resistance of Grade 2 Titanium Plate
One of the primary reasons for selecting Grade 2 titanium is its excellent corrosion resistance in many industrial environments.
Titanium forms a thin, stable and adherent oxide layer that provides protection against corrosion.
When adequate oxygen or other oxidizing conditions are present, this protective film can reform after minor surface damage.
Seawater and Marine Environments
Grade 2 titanium offers excellent resistance to many natural seawater and marine exposure conditions.
It is used in:
Seawater cooling equipment
Desalination systems
Condensers
Marine piping components
Offshore processing equipment
Corrosion performance must still be evaluated for actual temperature, water chemistry, deposits, crevices and operating conditions.
Chemical Processing Environments
Grade 2 titanium is frequently selected for equipment exposed to certain oxidizing chemicals and aqueous salt solutions.
Typical applications include chemical reactors, evaporators and processing equipment.
Its resistance depends on factors such as:
Chemical concentration
Operating temperature
Solution pH
Oxidizing or reducing conditions
Impurities and contaminants
Crevice geometry and deposits
Important Corrosion Limitations
Grade 2 titanium is not universally resistant to every chemical.
Certain strongly reducing acids, fluoride-containing solutions and aggressive combinations of temperature and chemistry can damage the protective oxide layer.
Where severe reducing conditions are anticipated, alternative titanium grades or other corrosion-resistant alloys should be evaluated.
Final material selection should be supported by application-specific corrosion data.
Grade 2 Titanium Plate Manufacturing and Processing
Grade 2 titanium plates are commonly produced through controlled rolling, annealing and surface-finishing operations.
Hot Rolling
Hot rolling reduces material thickness and produces plate suitable for industrial fabrication.
Rolling conditions and subsequent processing influence plate dimensions, microstructure and mechanical performance.
Annealing
Annealing is used to obtain the specified material condition and improve the balance between strength and ductility.
The required heat treatment depends on the material specification and manufacturing process.
Surface Finishing
Available surface conditions may include:
Descaled Surface
Removal of oxide scale generated during hot working and heat treatment.
Pickled Surface
Chemical cleaning used to remove surface oxides and contamination.
Ground Surface
Mechanical finishing to achieve an agreed surface condition.
Custom Surface Requirements
Additional processing may be reviewed according to project drawings and acceptance criteria.
All surface requirements should be defined before production or purchasing.
Cutting, Forming, Machining and Welding
Grade 2 titanium offers good fabrication characteristics when suitable procedures and equipment are used.
Plate Cutting
Possible cutting methods include:
Mechanical saw cutting
Waterjet cutting
CNC contour cutting
Machining to drawings
For thermal cutting processes, the heat-affected zone and any contaminated surface layer must be assessed and removed where necessary.
Forming and Bending
Grade 2 titanium can be formed using appropriate cold- or hot-forming procedures.
The achievable bending radius depends on:
Plate thickness
Material condition
Forming direction
Tooling
Temperature
Required final geometry
Forming limits should be validated before processing critical components.
Machining
Titanium requires appropriate tooling, cutting speeds, coolant control and chip management because of its machining characteristics and relatively low thermal conductivity.
Finished dimensions and surface requirements should be specified on engineering drawings.
Welding
Grade 2 titanium is weldable using suitable welding procedures, particularly Gas Tungsten Arc Welding (GTAW/TIG).
Proper inert gas shielding is essential.
Welding requirements commonly include:
Clean joint preparation
Protection from oxygen and nitrogen contamination
Suitable shielding and trailing gas arrangements
Protection of the weld root
Qualified welding procedures where required
Inspection according to project specifications
Improper atmospheric protection can lead to weld contamination and reduced ductility.
For pressure equipment, welding qualifications and inspection must comply with the applicable construction code.
Industrial Applications of Grade 2 Titanium Plate
Chemical Processing Equipment
Grade 2 titanium plate is used to fabricate corrosion-resistant components for chemical production and processing facilities.
Typical components include reactor parts, vessel internals, tank components and fabricated equipment.
Material suitability depends on the specific process chemistry and operating conditions.
Heat Exchangers and Condensers
Grade 2 titanium is used in corrosion-resistant heat transfer equipment.
Plate material can be processed into tube sheets, supporting components and other fabricated parts.
For plate heat exchanger components, thickness, forming characteristics, surface requirements and dimensional accuracy must be considered.
Seawater Desalination
Grade 2 titanium provides excellent corrosion resistance in many seawater service conditions.
It is used in desalination and seawater cooling equipment where corrosion performance and equipment reliability are important.
Marine and Offshore Engineering
Titanium plate is used for selected marine components exposed to seawater and chloride-containing environments.
Typical applications include corrosion-resistant equipment components and fabricated assemblies.
Industrial Tanks and Pressure Equipment
Grade 2 titanium plate may be selected for tanks and pressure-containing components when permitted by the relevant design code.
Projects must specify the applicable material standard, design code, inspection requirements and fabrication procedures.
Electrochemical Equipment
Grade 2 titanium is also used as a substrate for certain electrochemical components.
Depending on the process, specialized surface treatment or functional coatings may be required.
Grade 1 vs Grade 2 vs Grade 5 vs Grade 7 Titanium
Selecting the correct titanium grade is important for both technical performance and procurement cost.
| Property | Grade 1 | Grade 2 | Grade 5 | Grade 7 |
|---|---|---|---|---|
| Material Type | Commercially Pure | Commercially Pure | Ti-6Al-4V Alloy | Palladium-Alloyed CP Titanium |
| UNS | R50250 | R50400 | R56400 | R52400 |
| Relative Strength | Lower | Moderate | High | Similar class to Grade 2 |
| Formability | Excellent | Good | More Limited | Good |
| Weldability | Good | Good | Procedure Dependent | Good |
| Corrosion Resistance | Excellent in Suitable Media | Excellent in Suitable Media | Application Dependent | Enhanced in Some Aggressive Environments |
| Typical Selection | Forming-Intensive Parts | Chemical and Marine Equipment | High-Strength Components | More Aggressive Chemical Service |
Grade 1 vs Grade 2
Grade 1 is generally preferred where maximum ductility and forming capability are more important than strength.
Grade 2 provides higher strength while maintaining good fabrication characteristics.
Grade 2 vs Grade 5
Grade 5 is a higher-strength titanium alloy.
It is commonly chosen for demanding structural applications where mechanical strength is the primary requirement.
Grade 2 is generally preferred for many corrosion-resistant industrial applications that do not require the higher strength of Grade 5.
Grade 2 vs Grade 7
Grade 7 contains palladium and provides improved corrosion performance in certain aggressive environments.
It may be considered when Grade 2 corrosion resistance is insufficient.
Selection should be based on the actual process chemistry, temperature and corrosion data.
Applicable Standards and Material Identification
Grade 2 titanium is identified by several national and international material designation systems.
| Standard / System | Designation | Notes |
|---|---|---|
| ASTM | ASTM B265 Grade 2 | Primary sheet and plate product specification |
| ASME | ASME SB-265 Grade 2 | Applicable ASME material specification |
| UNS | R50400 | International material identification |
| EN Material Number | 3.7035 | Commonly referenced designation |
| GB | TA2 | Comparable commercially pure titanium designation |
| JIS | TP340 | Comparable commercially pure titanium grade |
| AMS | AMS 4902 | Separate aerospace material specification |
Important: Similar material designations are not automatically interchangeable.
Chemical limits, mechanical properties, dimensional requirements, inspection conditions and certification requirements must be checked against the exact specification stated in the purchase order.
ASTM B265 compliance does not automatically establish compliance with medical implant or aerospace specifications.
For pressure equipment, the applicable ASME requirements and project design code must be confirmed separately.
Grade 2 Titanium Plate Delivery Requirements
When purchasing titanium plate for industrial fabrication, the delivery specification should be clearly defined.
Recommended purchasing information includes:
Material Identification
ASTM Grade 2 / UNS R50400, including the required standard edition.
Delivery Condition
Annealed condition and agreed surface finish.
Plate Dimensions
Thickness, width, length and required tolerances.
Edge Requirements
As-rolled, cut or machined edges.
Surface Quality
Permitted defects, surface condition and any special acceptance criteria.
Testing Requirements
Chemical composition, mechanical testing and additional inspection where required.
Documentation
Material Test Certificate and other agreed inspection records.
Traceability
Heat number and material identification linked to the supplied documentation.
Special Requirements
Additional acceptance criteria for pressure equipment, machined components or heavy plate.
Precise purchasing specifications reduce material substitution risks and prevent delays during inspection and fabrication.
Inspection & Quality Assurance
Material verification and traceability are important for titanium plate used in corrosion-resistant industrial equipment.
Xi'an Dongmeng Group Co., Ltd. can coordinate applicable inspection and documentation requirements according to the purchase order and available mill capabilities.
Chemical Composition Verification
Review of heat analysis or product analysis results to confirm compliance with the specified titanium grade.
Chemical composition records should include the relevant elements and material heat identification.
Mechanical Property Testing
Verification of required tensile strength, yield strength and elongation values.
Test methods, sampling and acceptance criteria must follow the agreed material standard.
Dimensional Inspection
Typical dimensional checks include:
Plate thickness
Width and length
Flatness
Edge condition
Dimensional tolerances
Surface Inspection
Visual examination of the plate surface for unacceptable defects, damage, contamination and finish inconsistencies.
Positive Material Identification
PMI may be used as a supplemental material verification method.
However, conventional handheld XRF testing cannot accurately establish critical interstitial-element levels such as oxygen, nitrogen and hydrogen.
Therefore, XRF testing alone should not be used to certify Grade 2 titanium chemical compliance.
Verified chemical analysis and traceable mill documentation are necessary.
Ultrasonic Testing
Ultrasonic examination can be arranged where technically suitable and specifically required.
Testing procedures, coverage and acceptance criteria must be agreed before ordering.
Material Test Certificate
Where specified, supply documentation may include:
Material grade
Heat number
Applicable specification
Chemical composition results
Mechanical test results
Product dimensions
Inspection records
Certificate identification
EN 10204 Type 3.1 documentation can be requested where available and agreed.
Third-party inspection may also be arranged according to project requirements.
Custom Titanium Plate Cutting and Processing
Custom-cut titanium plate can reduce machining preparation and simplify material procurement.
Potential processing services include:
Cut-to-Length and Cut-to-Size
Plates prepared according to customer-specified dimensions.
Custom Profile Cutting
Contoured blanks manufactured according to approved drawings.
Machining Allowance
Material can be quoted with additional machining allowance where required.
Surface Preparation
Agreed surface conditions for downstream fabrication.
Project-Based Supply
Material quantities coordinated with approved material take-offs and delivery schedules.
Processing feasibility, dimensional tolerances and availability are confirmed during quotation.
For specialized industrial components, customers should provide engineering drawings and applicable manufacturing requirements.
Export Packaging and International Delivery
Titanium plate must be protected against mechanical damage, surface contamination and handling defects during transportation.
Packaging arrangements can include:
Protective material separation
Surface protection where required
Secure palletized packaging
Wooden cases for suitable shipment sizes
Reinforced export packaging
Product identification labels
Heat-number traceability
Packing lists and shipping documentation
Packaging design is selected according to plate dimensions, weight, surface requirements and transportation method.
Export documentation and shipment arrangements can be coordinated according to the agreed commercial terms.
Why Choose Xi'an Dongmeng Group Co., Ltd.?
Industrial Material Sourcing
We support international purchasing requirements for titanium and other engineering metal products.
Grade and Specification Review
Customers can submit material specifications and project drawings for technical review before quotation.
Custom Dimensions
Plate sizes, thicknesses and cutting requirements can be evaluated according to mill capability and project needs.
Inspection Coordination
We help customers define required chemical analysis, mechanical testing, traceability and inspection documentation.
Procurement Support
Our supply service addresses material identification, quotation details, order quantities, delivery requirements and export documentation.
Global B2B Supply
We serve metal distributors, industrial equipment manufacturers, engineering contractors and international procurement teams.
Our objective is to help customers obtain titanium plate that matches their technical specifications, fabrication requirements and delivery schedules.
Frequently Asked Questions – Grade 2 Titanium Plate
Q1. What is Grade 2 titanium plate?
Grade 2 titanium plate is a commercially pure titanium flat product designated UNS R50400. It combines excellent corrosion resistance, moderate strength, good ductility and weldability for industrial applications.
Q2. What standard applies to Grade 2 titanium plate?
ASTM B265 is the primary ASTM specification for titanium and titanium alloy strip, sheet and plate. ASME SB-265 may be specified for applicable pressure equipment projects.
Q3. What is the chemical composition of Grade 2 titanium?
Grade 2 titanium contains titanium as the balance element, with controlled limits for oxygen, iron, carbon, nitrogen and hydrogen. Important limits include oxygen at 0.25% maximum and iron at 0.30% maximum.
Q4. What is the tensile strength of Grade 2 titanium plate?
The commonly specified minimum tensile strength is 345 MPa (50 ksi) for applicable annealed Grade 2 products. Thickness-specific requirements and actual test results must be verified.
Q5. Is Grade 2 titanium plate suitable for seawater?
Grade 2 titanium offers excellent corrosion resistance in many seawater environments. Actual suitability depends on operating temperature, water chemistry, crevices and other service conditions.
Q6. Can Grade 2 titanium plate be welded?
Yes. Grade 2 titanium is readily weldable using appropriate procedures. Proper inert gas shielding is essential to prevent weld contamination.
Q7. What is the difference between Grade 2 titanium plate and Grade 5 titanium plate?
Grade 2 is commercially pure titanium and is widely used for corrosion-resistant industrial equipment. Grade 5 is a higher-strength titanium alloy commonly selected for demanding structural components.
Q8. Can Grade 2 titanium plate be used for pressure vessels?
Grade 2 titanium may be used in certain pressure-containing applications when permitted by the applicable construction code. Design calculations, material certification, welding qualifications and inspection requirements must be established by the project engineer.
Q9. Can you supply custom-sized Grade 2 titanium plates?
Custom plate dimensions and cutting requirements can be reviewed according to manufacturing capability, material availability and project specifications.
Q10. What information is required for a Grade 2 titanium plate quotation?
Customers should provide the material grade, applicable standard, thickness, width, length, quantity, surface condition, delivery location and any special inspection or documentation requirements.
Request a Quote – ASTM B265 Grade 2 Titanium Plate
Looking for a reliable source of Grade 2 titanium plate for chemical equipment, marine engineering or industrial fabrication?
Xi'an Dongmeng Group Co., Ltd. supports international B2B titanium plate procurement with technical specification review, custom-size quotations and inspection coordination.
To receive an accurate quotation, please provide:
Material: ASTM Grade 2 / UNS R50400
Standard: ASTM B265 or ASME SB-265
Thickness × Width × Length
Required Quantity
Surface and Delivery Condition
Testing and Certification Requirements
Destination Port or Delivery Location
Drawings or Additional Technical Specifications
Our team will review your requirements and provide available supply options.
Office Information
Company: Xi'an Dongmeng Group Co., Ltd.
Phone: +86 157 6921 4734
Email: office@dongmjd.com
WhatsApp: +86 157 6921 4734
Address: Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province, China
Request Grade 2 Titanium Plate Pricing, Technical Specifications and Material Availability.
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