Abstract: Plastic alloy-glass fiber reinforced plastic (GFRP) composite pipe of high and medium pressure is made from plastic alloy, FRP and metal. The composite pipe takes full advantage of the properties of steel strength and GFRP corrosion resistance. Heat resistance, sealing performance of pipe joint and other problems have been solved effectively during manufacturing process. The corrosion resistance, heat resistance and pressure resistance of the composite pipe meet the requirement of field application. It shows that GFRP composite pipe has excellent properties and could be used as a substitute for steel pipe.

Key words: high and medium pressure, glass fiber reinforced plastic, composite pipe

摘要： 塑料合金-玻璃钢高中压复合管(以下简称玻璃钢复合管)是将热塑性塑料、玻璃钢、金属3种材料有机地结合在一起具有钢的强度和塑料耐腐蚀性优势的管材。在研制过程中解决了耐温性、管接头密封性等工艺技术问题,使产品耐腐蚀性、耐温性、耐压性满足了现场使用要求。经油田应用表明,玻璃钢复合管性能优异,可部分替代钢管使用。

关键词: 高中压, 玻璃钢, 复合管