... 2.material: TA1,TA2,TA9,TA10,Gr1/2/5 titanium hollow forged goodtitanium alloy flangestandard: GB/T,GJB,ASTM,ASM, ... DINmaterial: TA1,TA2,TA9,TA10,Gr1/2/5a. pure and alloy titanium ... .d. application: chemical equipment, metallurgical, chemical machine, petrochemical1.titanium managing license2.our flange diameter is special big3.timely delivery