ASTM B363 Titanium and Titanium Alloy Pipe Fittings
- Type: Seamless and Welded Butt-welding Fittings
- Size: NPS 3/8″ – 30″ WT: SCH5S, 10S, 40S, 80S
- Grade 2, CP Ti-2, W.Nr 3.7025, AFNOR T35, BS 2TA1, GOST VT1-0 (ВТ1-0)
- Grade 5, Ti-6Al-4V, W.Nr 3.7165, AFNOR T-A6V, BS TA10-13, GOST BT6 (VT6)
- Grade 7, Ti-0.2Pd, W.Nr 3.7235, BS TA9
- Grade 9, Ti-3Al-2.5V, GOST 3B
- Grade 12, Ti-0.3Mo-0.8Ni, W.Nr 3.7105
- Standard: ANSI/ASME B16.9
ASTM B363 Seamless and Welded Titanium and Titanium Alloy Welding Fittings
Golden Sunbird Metals supplies ASTM B363 titanium and titanium alloy pipe fittings designed for reliable performance in demanding piping systems. Manufactured to meet ASTM B363 requirements, our titanium fittings provide an outstanding combination of high strength, low weight, excellent corrosion resistance, and long service life in aggressive environments. They are widely used in chemical processing, marine engineering, offshore systems, desalination plants, power generation, and other critical industries where durability and material integrity are essential. Our product range includes elbows, tees, reducers, caps, crosses, and other custom titanium fitting solutions to support different piping configurations and project specifications. With precise dimensions, stable quality, and full material traceability, Golden Sunbird Metals delivers titanium pipe fittings that are suitable for welding, installation, and long-term service in severe operating conditions. Backed by export experience and technical expertise, we provide dependable ASTM B363 titanium and titanium alloy pipe fittings for global industrial applications.
Chemical Composition (wt.%) of ASTM B363 Titanium and Titanium Alloy Pipe Fittings
| Grade | N (max) | C (max) | H (max) | Fe (max) | O (max) | Al | V | Pd | Mo | Ni | Ti |
| WPT2 | 0.03 | 0.08 | 0.015 | 0.3 | 0.25 | – | – | – | – | – | Bal. |
| WPT5 | 0.05 | 0.08 | 0.015 | 0.4 | 0.2 | 5.5-6.75 | 3.5-4.5 | – | – | – | Bal. |
| WPT7 | 0.03 | 0.08 | 0.015 | 0.3 | 0.25 | – | – | 0.12-0.25 | – | – | Bal. |
| WPT9 | 0.03 | 0.08 | 0.015 | 0.25 | 0.15 | 2.5-3.5 | 2.0-3.0 | – | – | – | Bal. |
| WPT12 | 0.03 | 0.08 | 0.015 | 0.3 | 0.25 | – | – | – | 0.2-0.4 | 0.6-0.9 | Bal. |
Mechanical Properties of ASTM B363 Titanium and Titanium Alloy Pipe Fittings
| Grade | Tensile Strength min (ksi [MPa]) |
Yield Strength (0.2% Offset) min (ksi [MPa]) |
Elongation in 2in. or 50mm (min, %) |
| WPT2 | 50 [345] | 40 [275] | 20 |
| WPT5 | 130 [895] | 120 [828] | 10 |
| WPT7 | 50 [345] | 40 [275] | 20 |
| WPT9 | 90 [620] | 70 [483] | 15 |
| WPT12 | 70 [483] | 50 [345] | 18 |
Features
- ASTM B363 Titanium and Titanium Alloy Seamless and Welded Butt-Welding Pipe Fittings conforming to ANSI/ASME B16.9 standards for WPT2, WPT5, WPT7, WPT9, and WPT12 grades (equivalent to Grades 2, 5, 7, 9, and 12).
- Superior corrosion resistance in aggressive chemicals, acids, alkalis, saltwater, and elevated-temperature environments.
- High strength-to-weight ratio combined with low density (4.51 g/cm³) for lightweight yet robust piping systems.
- Comprehensive range of fittings including 45°/90° LR/SR elbows, 180° returns, equal/reducing tees, concentric/eccentric reducers, caps, and lap-joint stub ends.
- Available in seamless and welded constructions across SCH5S–80S and custom wall thicknesses (1.65–30.96 mm).
- Excellent weldability, formability, and compatibility with titanium piping systems for reliable field installation.
- Full NDE testing (UT/ET), chemical/tensile verification, and EN 10204 Type 3.1 / 3.2 material certification available.
- Non-magnetic, dimensionally stable, and suitable for high-pressure and high-temperature service after proper qualification.
Technical Specifications
| Specification | Value |
| Standard | ASTM B363 Seamless and Welded Titanium and Titanium Alloy Welding Fittings |
| Grade | Grade WPT2, Grade WPT5, Grade WPT7, Grade WPT9, Grade WPT12 |
| Seam Type | Seamless and Welded |
| O.D. | 10.3- 914.4mm (NPS 1/8″ – 36″) |
| W.T. | 1.65- 30.96mm (0.065″-1.219″) SCH 5S, SCH5, SCH10S, SCH10, SCH40S, SCH40, SCH80S, SCH80 |
| Type of Fittings | 45° LR and 90° SR/LR Elbows, 180° Returns, Caps, Equal or Reducing Tees, Concentric/Eccentric Reducers, Lap-joint Stub Ends |
| Density | 4.51 g/cm3 |
| Fitting Standard and Ends Finish | ANSI/ASME B16.9, Butt-welding |
| Inspection Certificate | EN 10204 Type 3.1 (Mill Test Certificate), EN 10204 Type 3.2 (Witness Testing or 3rd Party Inspection) |
| Tests | Chemical Analysis, Tensile Test, UT/ET, Dimensional Inspection |
Applications
- Chemical processing plants for pipelines, reactors, and equipment handling corrosive acids, alkalis, and aggressive fluids.
- Marine and shipbuilding for seawater cooling systems, piping, and saltwater-exposed components.
- Oil & gas offshore platforms, subsea pipelines, and hydrocarbon processing equipment.
- Power generation facilities for heat exchangers, condensers, and high-temperature fluid lines.
- Desalination plants for evaporators, condensers, and corrosion-resistant piping systems.
- Petrochemical and specialty chemical industries requiring long-term resistance to corrosive media.
- Industrial process piping where lightweight strength, fatigue resistance, and leak-free performance are critical.
- Custom butt-weld fittings for high-performance assemblies after full qualification and testing.
