Titanium stub end (lap-joint stub end) is a butt-weld pipe fitting manufactured per ASTM B363 & ASME B16.9. One end is flared for sealing face, the other is beveled for butt-welding to titanium pipe. It is used together with lap-joint backing flanges, allowing free rotation for easy field alignment, installation and disassembly. Featuring outstanding corrosion resistance against seawater, chloride and acidic media, it is widely applied in chemical, desalination, offshore and marine piping systems. Available in short / long pattern, grades Gr1, Gr2, Gr7, Gr12, Gr5, with sizes NPS 1/2"-48" and various schedule thicknesses; custom dimensions are acceptable.
| Standard | GB/T17684-2011,ASME B 16.9,DIN,ISO,JIS |
| Material | TA1,TA2, Gr.1 BT1-00, Gr.1ELI, BT1-00CB,Gr.2 BT1-0 etc |
| Size | NPS 1/2"-48" |
| OEM/ODM | Available |
| Titanium Surface Finish | Pickling and passivation / Polishing / Sandblasting |
| Technics | Welding/Casting/Forged |
| Type | Titanium Stub End |
| Packaging | Export standard wooden case, or can be customized |
| Application | Pharmaceutical Industry;Biotechnology & Biopharm;Food & Beverage Industry;Semiconductor & Electronics Industry;Chemical & Speciality Chemicals;Vehicle Exhaust System |
| Nominal Diameter | Outside Diameter d | Lap Joint Stub End Length f | Radius of Fillet | Lap Outside Diameter | ||
| max | min | Long Pattern | Short Pattern | r | g | |
| 1/2 | 22.8 | 20.5 | 76 | 51 | 3 | 35 |
| 3/4 | 28.1 | 25.9 | 76 | 51 | 3 | 43 |
| 1 | 35 | 32.6 | 102 | 51 | 3 | 51 |
| 1-1/4 | 43.6 | 41.4 | 102 | 51 | 5 | 64 |
| 1-1/2 | 49.9 | 47.5 | 102 | 51 | 6 | 73 |
| 2 | 62.4 | 59.5 | 152 | 64 | 8 | 92 |
| 2-1/2 | 75.3 | 72.2 | 152 | 64 | 8 | 105 |
| 3 | 91.3 | 88.1 | 152 | 64 | 10 | 127 |
| 3-1/2 | 104 | 100.8 | 152 | 76 | 10 | 140 |
| 4 | 116.7 | 113.5 | 152 | 76 | 11 | 157 |
| 5 | 144.3 | 140.5 | 203 | 76 | 11 | 186 |
| 6 | 171.3 | 167.5 | 203 | 89 | 13 | 216 |
| 7 | 222.1 | 218.3 | 203 | 102 | 13 | 270 |
| 10 | 277.2 | 272.3 | 254 | 127 | 13 | 324 |
| 12 | 328 | 323.1 | 254 | 152 | 13 | 381 |
| 14 | 359.9 | 354.8 | 305 | 152 | 13 | 413 |
| 16 | 411 | 405.6 | 305 | 152 | 13 | 470 |
| 18 | 462 | 456 | 305 | 152 | 13 | 533 |
| 20 | 514 | 507 | 305 | 152 | 13 | 584 |
| 22 | 565 | 558 | 305 | 152 | 13 | 641 |
| 24 | 616 | 609 | 305 | 152 | 13 | 692 |
Titanium pipe fittings are tubular connecting parts mainly made of titanium and titanium alloys. Titanium metal
itself has the characteristics of low density, high specific strength, strong corrosion resistance and excellent
biocompatibility, which enables titanium pipe fittings to maintain stable performance even in extreme
environments. Titanium pipe fittings can demonstrate extraordinary reliability in fields such as the chemical industry,
Marine engineering, the petroleum industry, and the automotive industry.
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