水井、通讯盖子、通信器、移动式壹水务不锈钢井盖、暖气壹水务不锈钢井盖、路灯盖子、消防、阀门,甚至排水沟都采用球墨铸铁材料。本发明采用球墨铸铁QT500-7制造,具有抗压、抗弯曲、抗冲击、耐热、耐寒、耐磨、耐酸碱、耐老化、不易变形。
特别声明:以上内容(如有图片或视频亦包括在内)为自媒体平台“网易号”用户上传并发布,本平台仅提供信息存储服务。
Notice: The content above (including the pictures and videos if any) is uploaded and posted by a user of NetEase Hao, which is a social media platform and only provides information storage services.