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ASTM B381 Grade 2 and Grade 5 Titanium Flanges Long Weld Neck Flange Raised Face Titanium for Piping and Industrial Applications

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ASTM B381 Grade 2 and Grade 5 Titanium Flanges Long Weld Neck Flange Raised Face Titanium for Piping and Industrial Applications

Brand Name : LHTi

Model Number : Titanium Long Weld Flanges

Certification : ISO9001,CE, API,etc

Place of Origin : Baoji, China

MOQ : 100 pieces

Price : as per your requirement

Payment Terms : L/C, D/A, D/P, T/T, Western Union

Supply Ability : 100-200 Ton/Tons Per Month

Delivery Time : about 7-14 days for delivery

Packaging Details : All goods are packed by seaworth shipment materials or required by buyer

Temperature Rating : Up to 600°F

Commodity : Flat welded flange /welding plate flange

Processing Service : Welding

Features : High strength, good corrosion resistance

Wall Thickness : Sch10s—Sch80s or bigger to Sch160s

Pressure : PN 6-PN 160

Material Grade : Titanium Grade 2, Grade 5

Disadvantages : Expensive compared to other materials

Flange Standard : HG 20592

Sizes : 1/2''~24''

Material Standard : ASTMB381

Tolerance : ISO 9001 CT8~10 or GB 12362 Precision

Din : PN6,PN10,PN16,PN25 though PN250

Standard Or Nonstandard : Standard

Density : 4.54g/cm3

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ASTM B381 Grade 2 and Grade 5 Titanium Flanges Long Weld Neck Flange Raised Face Titanium for Piping and Industrial Applications

Chemical Composition of Titanium Pipe Flanges:

Here's the detailed chemical composition of the two commonly used titanium grades, Grade 2 and Grade 5, in the context of titanium pipe flanges:

GradeTi (min)C (max)Fe (max)H (max)O (max)Al (min)V (min)
Grade 299.2%0.1%0.3%0.015%0.03%0.25%-
Grade 590%-0.25%--6%4%


Grade 2 (Commercially Pure Titanium) has a high purity level of titanium, with only minimal amounts of carbon, iron, hydrogen, and oxygen. It is an unalloyed titanium grade and is widely used in general industrial applications.

Grade 5 (Ti-6Al-4V) contains a mixture of titanium, aluminum, and vanadium. This alloy offers significantly higher strength and improved performance compared to Grade 2, making it ideal for aerospace, marine, and high-performance applications.

ASTM B381 Grade 2 and Grade 5 Titanium Flanges Long Weld Neck Flange Raised Face Titanium for Piping and Industrial Applications

Mechanical Properties of ASTM B381 Titanium Plate Flanges:

The mechanical properties of titanium alloys are crucial when choosing materials for flanges, as they determine the material's strength, performance under pressure, and durability. Below are the properties of Titanium Grade 2 and Titanium Grade 5:

ElementTitanium Grade 2Titanium Grade 5
Density4.5 g/cm³4.43 g/cm³
Melting Point1665°C (3030°F)1632°C (2970°F)
Tensile StrengthPsi – 49,900 (MPa – 344)Psi – 138,000 (MPa – 950)
Yield Strength (0.2% Offset)Psi – 39,900 (MPa – 275)Psi – 128,000 (MPa – 880)
Elongation20%14%

Key Differences in Mechanical Properties:

Density: Grade 2 is slightly denser than Grade 5, but the difference is minimal and generally not a significant factor in most applications.

Melting Point: Grade 2 has a slightly higher melting point than Grade 5, which indicates its ability to withstand slightly higher temperatures before melting.

Tensile Strength: Grade 5 has significantly higher tensile strength (138,000 psi or 950 MPa) compared to Grade 2 (49,900 psi or 344 MPa). This makes Grade 5 much more suitable for high-stress applications.

Yield Strength: Grade 5 also has higher yield strength (128,000 psi or 880 MPa), which is important for maintaining structural integrity under load, especially in aerospace and military applications.

Elongation: Grade 2 has a higher elongation (20%) compared to Grade 5 (14%), meaning Grade 2 is more ductile and can stretch more before breaking, which is valuable in forming processes.

Comparing Titanium Grades for Long Weld Neck Flanges:

ASTM B381 Grade 2 and Grade 5 Titanium Flanges Long Weld Neck Flange Raised Face Titanium for Piping and Industrial Applications

FeatureGrade 7 (Ti-0.15Pd)Grade 9 (Ti-3Al-2.5V)Grade 11 (Ti-0.3Mo-0.8Ni)
Primary Alloying Elements0.15% Palladium3% Aluminum, 2.5% Vanadium0.3% Molybdenum, 0.8% Nickel
Corrosion ResistanceExcellent, particularly for acids and chloridesGood, especially in marine environmentsExcellent in both acidic and high-temperature environments
StrengthModerate strengthHigh strength-to-weight ratioGood strength with high-temperature resistance
WeldabilityGoodExcellent, easy to weldGood, particularly in high-temperature applications
ApplicationsChemical processing, marine, aerospaceAerospace, military, marine, chemical processingChemical processing, power generation, aerospace
Temperature ResistanceModerateModerateExcellent, especially in high temperatures

Conclusion:

  • Titanium Grade 7 Long Weld Neck Flanges are ideal for corrosive environments, especially those involving acids and chemicals. They're commonly used in chemical processing, marine, and aerospace applications.
  • Titanium Grade 9 Long Weld Neck Flanges are perfect for applications requiring a high strength-to-weight ratio, such as in aerospace, military, and marine environments. They provide excellent durability and reliability under stress.
  • Titanium Grade 11 Long Weld Neck Flanges excel in high-temperature applications where oxidation resistance is a must. They're commonly used in power generation, chemical processing, and aerospace industries, particularly in environments subject to elevated temperatures.

Each of these titanium alloys offers distinct advantages, and selecting the right material depends on the specific demands of the application, including factors such as corrosion resistance, strength, temperature tolerance, and weldability.


Product Tags:

Industrial Applications Titanium Flanges

      

Piping Titanium Flanges

      

ASTM B381 Titanium Flanges

      
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