ARK Stainless Inc. is a trusted manufacturer and supplier of high-performance Titanium Buttweld Fittings, available in various grades including Gr 1, Gr 2, Gr 5, and Gr 9. These fittings are highly regarded for their superior mechanical strength, excellent corrosion resistance, and lightweight properties, making them ideal for demanding environments like marine, chemical, aerospace, and petrochemical industries. Their exceptional resistance to seawater, chlorides, and oxidizing media makes them a preferred choice for critical applications.
Our Titanium fittings, available in Gr 1, Gr 2, Gr 5, and Gr 9, are crafted from premium-grade alloys that provide outstanding formability and weldability. These fittings are designed to withstand high-stress environments and are ideal for applications that require superior strength and flexibility. They are commonly used in piping systems to change direction, reduce pipe sizes, or connect different components. The fittings include elbows, tees, unions, couplings, caps, plugs, bushings, and expansion joints, offering flexibility in diverse piping needs.
Titanium Gr 1 and Gr 2 fittings have excellent properties such as high tensile strength, superior flexibility, and excellent weldability. Additionally, they demonstrate remarkable resistance to rust, oxidation, pitting, and stress cracking. Gr 5 and Gr 9, known for their added strength and resistance to high-temperature environments, are ideal for high-stress and high-temperature applications. These fittings are available in various forms, including Seamless, Welded, Fabricated, and ERW, and are designed to meet international standards such as ASTM B366 / ASME SB366 and dimensional norms like ASME B16.9, B16.28, and MSS-SP-43.
| Grade | C | Fe | H | N | O | Al | V | Ti |
|---|---|---|---|---|---|---|---|---|
| Gr 1 | 0.1 | 0.2 | 0.015 | 0.03 | 0.18 | - | - | 99.5 |
| Gr 2 | 0.1 | 0.3 | 0.015 | 0.03 | 0.25 | - | - | 99.2 |
| Gr 5 | - | 0.25 | - | - | 0.2 | 6 | 4 | 90 |
| Gr 9 | - | - | - | - | - | 3 | 2.5 | 95 |
| Grade | Tensile Strength | Yield Strength | Elongation (%) | Hardness (Brinell) | Hardness (Rockwell) | Density | Melting Point |
|---|---|---|---|---|---|---|---|
| Titanium Gr 1 | 240 MPa | 170 MPa | 24 | - | - | - | - |
| Titanium Gr 2 | 50 ksi | 40 ksi | - | 14.9 | - | - | - |
| Titanium Gr 5 | 138000 psi / 950 MPa | 128000 psi / 880 MPa | 14 | - | - | 4.43 g/cm³ | 1632 °C (2970 °F) |
| Titanium Gr 9 | 620 psi | 500 MPa | - | 256 | 24 | - | - |
Titanium Gr 1 Forged Fittings are widely utilized in various industrial applications including truck and marine components, tank fittings, cranes, bridges, railroad cars, and furniture manufacturing. These fittings are also essential in energy and electrical systems, condensers, oil drilling units, and pulp production processes. Thanks to their excellent mechanical and corrosion-resistant properties, they are also ideal for challenging environments in the chemical and petrochemical industries.
These fittings typically come in round types, with thicknesses ranging from 4mm to 20mm and are available in random, fixed, or custom-cut lengths. Surface finishes offered include bright and black polish, depending on specific application needs.
To ensure top-notch quality and durability, Titanium Gr 1 Forged Fittings undergo a series of stringent tests such as mechanical testing, chemical composition analysis, flaring tests, hardness testing, pitting resistance testing, as well as macro and micro examinations. All our products are globally certified and adhere to international quality standards. We also offer secure and customizable packaging options—whether in wooden crates or carton boxes—to guarantee safe delivery based on client requirements.
| STANDARD | UNS | WNR. |
|---|---|---|
| Titanium Gr 1 | R50250 | 3.7025 |
Titanium Gr 2 Forged Fittings are widely used in environments requiring excellent corrosion resistance and good formability, with moderate strength requirements. These fittings are commonly employed in petroleum refining, heat exchanger systems, chemical processing, and biomedical applications. Typically supplied in an annealed condition, they perform effectively across a wide range of industrial environments.
To ensure optimal quality and durability, the material undergoes rigorous testing including chemical analysis, hardness test, flattening test, flaring test, and both macro and micro examinations. Positive Material Identification (PMI) testing is also carried out to ensure grade accuracy. Packaging is carefully done using pallets or plywood cases to prevent damage during transit and customized as per client preferences.
| STANDARD | UNS | WNR. |
|---|---|---|
| Titanium Gr 2 | R50400 | 3.7035 |
Titanium Gr 5 Forged Fittings are available in a wide range of socket weld configurations such as 45° and 90° socket weld elbows, equal and unequal tees, swage nipples, pipe outlets, lateral outlets, forged elbow outlets, branch outlets, socket weld bosses, full and half couplings. These variants make them highly adaptable across different industrial piping systems.
These fittings are known for their superior properties like precise construction, high tensile strength, heat resistance, excellent electrical conductivity, corrosion resistance, long service life, and smooth surface finish. Due to these enhanced features, they are extensively used in critical industries including dairy, marine, dredging, petrochemical, refineries, power generation (solar, thermal, and nuclear), oil & gas, and food & beverage processing. The high-grade composition and reliability of Titanium Gr 5 make it a preferred choice across various demanding applications.
| STANDARD | UNS | WNR. |
|---|---|---|
| Titanium Gr 5 | R56400 | 3.7165 |
Titanium Gr 9 Forged Fittings offer numerous advantages, including excellent weldability, workability, and outstanding resistance to erosion and corrosion in high-temperature acidic environments such as brine and steam. They perform exceptionally in both hot and cold acid gas conditions and are highly suitable for subsea installation and cooling operations. With features like a high strength-to-weight ratio, low modulus, superior fracture toughness, and fatigue resistance, these fittings provide significant weight-saving benefits. They also allow for cold bending in complex piping systems without requiring additional fittings or flanges.
These fittings find widespread application across various industries including chlorate manufacturing, chemical processing, desalination plants, aerospace (airframe skins, exhaust shrouds), marine sectors, hydrocarbon processing, architecture, medical equipment, and power generation. Titanium Gr 9 is particularly known for its moderate strength, good cold formability, and resistance to mild oxidizing environments, making it a versatile material for critical engineering systems.
| STANDARD | UNS | WNR. |
|---|---|---|
| Titanium Gr 9 | R56320 | 3.7195 |
