说起金属扩张网我们或许不太熟悉，可是它的别号又叫钢板网，是选用各种不相同钢板冲孔扩张而成。现现在，在铁路上最适合的护栏资料就是金属扩张网。金属扩张网的资料有低碳钢板、不锈钢板、铝板、铜板、镍板，铝镁合金板等金属板。

    HOUQITIANJIAWAIBIAOCHULIJISHUKEYIGENGYOUYONGDEBIMIANSHENGXIU，SHOUYAODEWAIBIAOCHULIJISHUSHIPVCJINSU（PENSU、TUSU）、REDUXIN、DIANDUXIN、PENFANGXIUQIDENGDENG。SHOUYAOGUIFANYOU：ZHANGDU（MI）0.5MI-20MI，KUANDU0.5-2MI，KONGJING：25DAO-100DAO。

    TEZHENG：LIUXIANXINGWAIGUAN：TONGTOU、MEILI、JINGYUE、SHISHANGDEOUZHOUGAOYATEXING；SECAIXUANZEDUOYANGXING，DUOZHONGGUIFANSEKASECAIKEGONGXUANZE，KEYIMANZUBUXIANGTONGLINGYU、BUXIANGTONGHUANJING、BUXIANGTONGSHENMEIRENQUNDEXUQIU。ZHANFUSHILIANJIE：DEGUAGOULIANJIEFANGFA，ZHANFUSHIAOCAOGUIHUA，SHIHUWANGWUXURENHEPEIJIANJIKEYULIZHUDEZIYIGAODUQIANRUAOCAOJINXINGLIANJIE，QUEBAOLETADEANJINGCHENGDU，JUYOUGENGQIANGDEKANGLAXINGHEFANGZHUANGCAIDIAO，YEDEZHANSHILETADEFANGDAOGONGYONG。