... Gr7), Ti-3Al-2.5V(Gr9),Gr2 : mostly widely used pipe fittingGr 3 has very good weldabilityGr5: Exceedingly high strength. High ... heat resistanceGr9: the most widely used in the golf clubs2> size : Dia2-450mm3> colour : metallic ... Mo,Zr,Ni,Cu,Si,etc.5> applicationproducts are widely used in aerospace structural materials, such as aircraft, rockets, missiles ...