[China Aluminum Network] If you have two pieces of material on hand, here's a simple comparison method to teach you: (1) Specific hardness, one piece of aluminum is a titanium alloy, as long as two pieces of material are drawn from each other. The scratched piece is aluminum. Because titanium is harder than aluminum. (2) Compared with acid, aluminum reacts with acid immediately, and titanium is very acid resistant. (3) Specific strength, it is labor-saving to destroy aluminum with pliers and scissors, titanium is very laborious. (4) Compared to color, draw a few aluminum on a piece of white paper and leave black scratches immediately. Titanium can't see scratches. Galvanized Steel,Galvanized Aluminum Sheet,Prepainted Galvanized Steel,Corrugated Galvanized Steel SHAOXING YOTO IMPORT&EXPORT CO., LTD , https://www.yotomaterial.com