Development of titanium frames grade titanium 7

Titanium is a metallic chemical element , because the refining process is not easy, and less expensive titanium material production , it is only used in the early titanium aerospace science , marine science and other medical grade titanium‍ high-tech science and energy development . And daily necessities are to begin in 1965 applied to the titanium material .

The first titanium frame is in九八○年someone invented the " rivet -like titanium frames " titanium welding is a very difficult material, there is no better way to do early connection handling , use rivets type of way to put it nailed together. While in 1981 , grade 3 titanium‍ the plant began outside coated with a layer of nickel titanium material to facilitate welding. An increasingly competitive market and month of the new manufacturing methods , 1982 Day MARUMAM company pioneered the titanium sheet‍ first payment in full titanium metal frames around the world ; 1984 also has factories launched nickel-plated titanium frames , there is a big price difference .