PRODUCT Huike Steel Pipe Co., Ltd. Seamless Steel Pipe For Low And Medium Pressure BoilerFor manufacturing heating-pipelines, containers, steaming pipelines of low or medlum pressure boilers (p<450, work pressure < 5.88Mpa). Seamless Steel Pipe For Low And Medium Pressure BoilerFor manufacturing heating-pipelines, containers, steaming pipelines of low or medlum pressure boilers (p<450, work pressure < 5.88Mpa).