Grade A Tin is a metal with low lead levels and a purity level of 99.85%. It is used in various manufacturing processes and applications, including electronics, construction, aerospace, and telecommunications. Grade A tin has a melting point of 450°F. We have the following forms of Tin available (weights and dimensions are approximate): Form Weight Size Order Quantity Button ¼ lb. ½" Round 1 Pound Ingot 1-2 lbs. 3" Round 5 Pounds Ingot 1-2 lbs. 3" Round 10 Pounds Brick 5 lb. 6¼" x 3¼" x 1" 25 Pounds Pig 65 lb. 19" x 5" x 3" 1000 Pounds We sell larger quantities of Tin; please contact us directly for pricing information.