Titanium Buttweld Elbows Gr7 Gr12
Type: buttweld elbows
Materials: titanium Gr7,Gr12
Size:more than 114mm
Standard:ASME B16.9-2007;ASTM B363
Product Introduction
Introduction
Titanium butt-weld elbows are pipe fittings used to connect two pipes at a specific angle, most commonly 90° and 45°. Butt-weld connection refers to the process of heating and welding pipe ends and fittings together to form a strong, seamless, and high-integrity joint suitable for high-pressure piping systems.
Titanium butt-weld elbows are available in various titanium alloys, including Gr2, Gr7, Gr12, and other specialty alloys depending on application requirements.
Material Characteristics
Gr7 (Ti-Pd alloy)
Contains palladium for enhanced corrosion resistance
High strength and excellent performance in chemical processing and marine environments
Gr12 (Ti-Ni-Mo alloy)
Better corrosion resistance than Gr2 in specific chemical media
More economical than Gr7 in many applications
Specifications
Size Range
Seamless Elbows
Φ18 – Φ114.3 mm
Wall thickness: 2.0 – 9.0 mm
Angles: 45°, 90°
Radius types:1D /1.5D /3D /5D
Welded Elbows
Φ139.7 – Φ1220 mm
Wall thickness: 2.0 – 30 mm
Same angle and radius options available
Standards
Manufactured in accordance with international standards:
ASTM International – ASTM B363
ASME B16.9-2007
MSS SP-43
GB/T12459-2005
GB/T13401-2005
HG/T3651-1999
GB/T27684-2011
Custom sizes and non-standard specifications can be manufactured according to drawings.
Dimension Reference Table
| DN | NPS | OD (mm) | Center to End A (mm) | Center to Center O (mm) |
|---|---|---|---|---|
| 25 | 1 | 33.4 | 25 | 50 |
| 32 | 1 1/4 | 42.2 | 32 | 64 |
| 40 | 1 1/2 | 48.3 | 38 | 76 |
| 50 | 2 | 60.3 | 51 | 102 |
| 65 | 2 1/2 | 73 | 64 | 128 |
| 80 | 3 | 89 | 76 | 152 |
| 100 | 4 | 114 | 102 | 204 |
| 150 | 6 | 168.3 | 152 | 304 |
| 200 | 8 | 219 | 203 | 406 |
| 300 | 12 | 323.9 | 305 | 610 |
| 400 | 16 | 406.4 | 406 | 812 |
| 500 | 20 | 508 | 508 | 1016 |
| 600 | 24 | 610 | 610 | 1220 |
| 800 | 32 | 813 | 813 | 1626 |
| 1000 | 40 | 1016 | 1016 | 2032 |
Manufacturing Processes
Seamless Elbow Forming
Titanium tube selection
Heating and hot bending
Heat treatment
Surface finishing
Inspection and testing
Welded Elbow Fabrication
Cutting titanium plate or pipe
Forming two half sections
Welding assembly
100% weld inspection
Quality Control
100% Radiographic Testing (RT / X-ray)
Dye Penetrant Testing (PT)
Dimensional inspection
Material composition analysis
Applications
Titanium butt-weld elbows are widely used in high-performance piping systems requiring corrosion resistance and mechanical strength.
Chemical Processing
Resistant to aggressive chemicals
Suitable for high-temperature chemical pipelines
Oil & Gas Industry
High-pressure and high-temperature resistance
Excellent corrosion protection
Marine Engineering
Resistant to seawater corrosion
Suitable for offshore piping systems
Pharmaceutical Industry
Biocompatible and non-toxic material properties
Power Generation
Used in high-temperature fluid transport systems
Advantages
High corrosion resistance
High strength-to-weight ratio
Excellent weldability (especially Gr2 and Gr12)
Long service life under harsh environments
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