ASTM B381 Titanium Grade 1 Flanges: Unparalleled Strength and Corrosion Resistance
At Amardeep Steel Centre LLP, we take pride in being a leading exporter and supplier of high-quality Titanium ASTM B381 Grade 1 Flanges. These flanges are renowned for their exceptional strength, low density, and unparalleled corrosion resistance. Whether you are involved in the chemical processing industry, aerospace engineering, or marine applications, our ASTM B381 Grade 1 Titanium Flanges are designed to meet the most stringent industry standards and provide reliable performance in the most demanding environments.
What are ASTM B381 Grade 1 Titanium Flanges?
ASTM B381 Grade 1 Titanium Flanges are precision-engineered components made from commercially pure titanium. Titanium Grade 1 is the most ductile and softest titanium alloy, offering excellent corrosion resistance and biocompatibility. These flanges are manufactured under the ASTM B381 specification, which sets the standards for titanium and titanium alloy forgings, ensuring consistent quality and performance.
These flanges are used in various industries due to their lightweight nature, high tensile strength, and resistance to extreme temperatures. As one of the most versatile materials, Titanium Grade 1 is especially favored for applications where corrosion resistance is critical, such as in chemical processing, desalination plants, and medical devices.

ASTM B381 Grade 1 Titanium Flanges Properties
The ASTM B381 Grade 1 Titanium Flanges are characterized by several key properties that make them a preferred choice for a wide range of industrial applications:
- Corrosion Resistance: Titanium Grade 1 exhibits excellent resistance to corrosion in a wide variety of environments, including seawater, chlorides, and acids. This makes it ideal for use in chemical processing plants, marine environments, and oil and gas industries.
- High Strength-to-Weight Ratio: Despite being lightweight, Titanium Grade 1 offers high tensile strength. This property allows for the design of lightweight yet strong components, which is particularly advantageous in aerospace and automotive applications.
- Low Density: Titanium Grade 1 has a density of 4.51 g/cm³, which is about 60% of steel’s density. This low density contributes to the material’s high strength-to-weight ratio, making it ideal for applications where reducing weight is crucial.
- Excellent Formability and Weldability: Titanium ASTM B381 Grade 1 can be easily formed into complex shapes and welded using standard techniques, making it versatile for various manufacturing processes.
- Biocompatibility: ASTM B381 Grade 1 Titanium is biocompatible, meaning it is non-toxic and does not cause adverse reactions when in contact with biological tissues. This property makes it suitable for medical implants and surgical instruments.
- Thermal Stability: Titanium Grade 1 maintains its mechanical properties even at elevated temperatures, making it suitable for high-temperature applications such as aerospace and power generation.
- Resistance to Erosion and Wear: The material is resistant to erosion and wear, which extends the lifespan of components exposed to harsh environments, such as in seawater and aggressive chemical media.
Advantages of ASTM B381 Grade 1 Titanium Flanges
The unique combination of properties offered by ASTM B381 Grade 1 Titanium Flanges provides several advantages that are crucial for various industries:
- Longevity and Durability: The excellent corrosion resistance of Titanium ASTM B381 Grade 1 Flanges ensures long-lasting performance, even in the most aggressive environments. This durability translates to lower maintenance costs and reduced downtime for equipment.
- Lightweight Design: The low density of Titanium Grade 1 allows for the design of lightweight components, which is particularly beneficial in industries such as aerospace and automotive, where weight reduction is critical for improving efficiency and performance.
- Versatility: These flanges can be used in a wide range of applications, from chemical processing to marine engineering, due to their ability to withstand various environmental conditions and their ease of fabrication.
- Enhanced Safety: The high strength and corrosion resistance of ASTM B381 Grade 1 Titanium Flanges contribute to the safety and reliability of systems where failure could have catastrophic consequences, such as in chemical plants and offshore oil rigs.
- Cost-Effective: While the initial cost of titanium may be higher than other materials, the long-term benefits of reduced maintenance, extended service life, and improved performance often result in cost savings over time.
- Environmental Resistance: The material’s ability to resist damage from exposure to environmental factors, such as saltwater, humidity, and temperature fluctuations, ensures consistent performance in outdoor and marine applications.


Schedule and Size Chart
Size (inches) | Nominal Diameter (mm) | Pressure Rating (Class) | Schedule | Weight (lbs) |
1/2″ | 15 | 150 | SCH 40 | 0.5 |
3/4″ | 20 | 150 | SCH 40 | 0.7 |
1″ | 25 | 150 | SCH 40 | 1.0 |
1 1/2″ | 40 | 150 | SCH 40 | 2.0 |
2″ | 50 | 150 | SCH 40 | 3.0 |
3″ | 80 | 150 | SCH 40 | 5.5 |
4″ | 100 | 150 | SCH 40 | 8.5 |
6″ | 150 | 150 | SCH 40 | 15.0 |
8″ | 200 | 150 | SCH 40 | 22.5 |
Mechanical Properties Chart
Property | Metric Value | Imperial Value |
Tensile Strength, Ultimate | 240 MPa | 34,800 psi |
Tensile Strength, Yield (0.2%) | 170 MPa | 24,700 psi |
Elongation at Break | 24% | 24% |
Modulus of Elasticity | 105 GPa | 15,200 ksi |
Hardness (Rockwell B) | 70 HRB | 70 HRB |
Poisson’s Ratio | 0.34 | 0.34 |
Shear Modulus | 44 GPa | 6,400 ksi |
Density | 4.51 g/cm³ | 0.163 lb/in³ |
Specifications Chart
Specification | Description |
Standard | ASTM B381 |
Grade | Grade 1 |
Type | Forged Flanges |
Form | Flanges |
Pressure Rating | 150#, 300#, 600#, 900#, 1500#, 2500# |
Manufacturing Process | Forging |
Material | Commercially Pure Titanium |
Available Sizes | 1/2″ to 24″ (custom sizes available) |
Face Types | Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ) |
End Connections | Weld Neck, Slip-On, Blind, Socket Weld, Threaded, Lap Joint |
Chemical Composition Chart
Element | Percentage Composition (%) |
Titanium (Ti) | 99.5 (min) |
Iron (Fe) | 0.20 (max) |
Carbon (C) | 0.08 (max) |
Nitrogen (N) | 0.03 (max) |
Hydrogen (H) | 0.015 (max) |
Oxygen (O) | 0.18 (max) |
Residuals | 0.4 (max, total) |
Physical Properties Chart
Property | Metric Value | Imperial Value |
Density | 4.51 g/cm³ | 0.163 lb/in³ |
Melting Point | 1660°C | 3020°F |
Thermal Conductivity | 16.4 W/m·K | 114 BTU·in/hr·ft²·°F |
Coefficient of Thermal Expansion | 8.6 µm/m°C | 4.8 µin/in°F |
Electrical Resistivity | 0.000056 ohm·cm | 0.000056 ohm·cm |
Specific Heat Capacity | 520 J/kg·K | 0.124 BTU/lb·°F |
Modulus of Elasticity | 105 GPa | 15,200 ksi |
Application Chart
Industry | Application |
Chemical Processing | Piping systems in chemical plants, heat exchangers, condensers |
Aerospace | Airframe components, jet engine parts, hydraulic systems |
Marine | Offshore oil and gas platforms, seawater desalination plants |
Medical | Surgical instruments, orthopedic implants, dental implants |
Power Generation | Steam turbines, nuclear reactors, power plant piping |
Automotive | Exhaust systems, performance racing parts |
Desalination | Saltwater pipelines, reverse osmosis systems |
Petrochemical | Refinery piping, storage tanks, pressure vessels |
ASTM B381 Grade 1 Titanium Flanges Exporters and Suppliers
At Amardeep Steel Centre LLP, we are dedicated to providing our clients with high-quality ASTM B381 Grade 1 Titanium Flanges that meet the highest industry standards. As leading exporters and suppliers, we offer a wide range of flanges in various sizes, shapes, and specifications to cater to the diverse needs of our global clientele.
Our team of experts ensures that each flange is manufactured to precise tolerances and undergoes rigorous quality checks to guarantee its performance and reliability. Whether you require standard flanges or custom-designed components, we have the expertise and resources to deliver solutions that meet your exact requirements.
ASTM B381 Grade 1 Aluminium Flanges Traders and Stockist
In addition to Titanium flanges, Amardeep Steel Centre LLP also trades and stocks ASTM B381 Grade 1 Aluminium Flanges. These flanges are widely used in applications that require a combination of strength, lightweight, and resistance to corrosion. Our extensive inventory ensures that we can meet the demands of our customers with quick delivery times and competitive pricing.
Why Choose Amardeep Steel Centre LLP for Titanium ASTM B381 Grade 1 Flanges?
- Quality Assurance: We adhere to strict quality control processes to ensure that every flange we supply meets the highest standards of performance and durability.
- Competitive Pricing: We offer competitive prices without compromising on quality, making our ASTM B381 Grade 1 Titanium Flanges an excellent value for your investment.
- Global Reach: As a leading exporter, we have a robust distribution network that allows us to deliver our products to clients around the world promptly and efficiently.
- Customer Support: Our dedicated customer support team is available to assist you with product selection, technical queries, and after-sales service, ensuring a seamless experience from start to finish.
- Custom Solutions: We understand that every project has unique requirements, and we offer custom manufacturing services to provide flanges that are tailored to your specific needs.
ASTM B381 Grade 1 Titanium Flanges from Amardeep Steel Centre LLP offer a combination of strength, corrosion resistance, and lightweight design that makes them ideal for a wide range of industrial applications. Whether you are in the chemical processing, aerospace, marine, or medical industries, our Titanium ASTM B381 Grade 1 Flanges provide the reliability and performance you need to ensure the success of your projects.
Global Reach
Amardeep Steel Centre boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality ASTM B381 Titanium Grade 1 Flanges. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.

Countries We Export To
UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.