镁带状阳极标准:GB/T17731-2004用途：主要用于高电阻率环境，套管内管道的保护，管道临时阴极保护、储罐及管网的保护、防强电干扰的接地栅。9.5×19mm化学成份：牌号AlZnMnFeNiCuSiMg镁锰＜0.010-0.5-1.30＜0.03＜0.001＜0.02-余量纯镁＜0.010＜0.010＜0.030＜0.002＜0.001＜0.001＜0.010＞99.95AZ315.30-6.700.7-1.30.20max0.005max0.01max0.001max0.05max规格序号带状阳极规格铁芯（mm）.近似重量（kg/m）合金类别A（mm）B（mm）C（m）119(3/4)9.5(3/8)305(1000)3.4(0.135)0.395(0.020)镁锰219(3/4)9.5(3/8)305(1000)3.4(0.135)0.357(0.020)纯镁319(3/4)9.5(3/8)305(1000)3.4(0.135)0.360(0.020)AZ31)