铸石管用途与规范: 玄武岩铸复合石管 玄武铸石复合管是由内衬铸石管、外套钢管和两者之间的水泥沙浆充填层构成，它集铸石管性能和钢管性能于一身，既耐磨损、耐腐蚀，又抗高压，且安装运输方便。铸石复合管分直管、弯管、三通等。

Application and specification of cast stone pipe cast stone pipe: Basalt composite Xuanwu compound cast stone pipe cement mortar filling layer is lined by the tubes, and the two formed between the outer steel pipe, it sets the performance and performance of steel tubes in a body, both wear resistance and corrosion resistance, and resistance to high pressure, convenient transportation and installation. Compound cast stone pipe straight pipe, elbow, three points etc..