Find many great new & used options and get the best deals for 4" inch long Titanium tube pure TA2 hollow pipe TC4 industrial pipe 12mm-35mm OD at the best online prices at eBay! Free shipping for many products!. Titanium has similar strength to steel, but is approximately 40% lighter. It has better corrosion resistance than most stainless steel alloys and can handle corrosive substances, such as salt water and acids. Threaded female x butt weld straight adapters are also known as half couplings. For technical drawings and 3-D models, click on a part. Titanium 6Al-2Sn-4Zr-6Mo – Titanium 6-2-4-6. Titanium 6Al-2Sn-4Zr-6Mo is an Alpha-Beta Alloy and it’s generally regarded as the workhorse alloy of the titanium industry. The alloy is fully heat-treatable in section sizes up to one inch and is used up to approximately 400°C (750°F).. "/>4 inch titanium pipe