12784-26-8 39290-22-7 POS 61 Tin alloy, base, Sn 60,Pb 40,Sb 0.20-0.50,Bi 0-0.25,Cu 0-0.08,As0-0.03,Fe 0-0.02,Al 0-0.005,Zn 0-0.005 UNS L13601