A) STEEL BACKED BIMETAL ( i. e. Cu - Pb alloy ) LINING MATL : SAE - 799 Pb- 23 % Sn = 3 % Cu = Rest Application : Very high lead contents allows higher running speeds. High load carrying capacity. Suitable for Crown Engineers B) Steel Backed white metals (i. e. Babbit Metal ) Lining Matl. : IS 25 Grade 84 Application : Excellent Corrossion resistance due to high Tin content & has low rate of wear C) Steel Backed Tri-metal Lining Material. : Lead Bronze with overlay of Nickel Dam barrier for Very High Load Application