titanium elbow grade: gr1, gr2, gr9, specification: thickness: 0.5mm-8mm; inside diameter: 6mm-108mm curvature semi-diameter: 1d, 1, 2d, 3d, 5d, 6mm, 150mm.\n\nwe can supply the titanium elbow and titanium valve and titanium flange as per the standard or the design drawing paper of customers and all can measure up the requirements of customers.