螺旋钢管：
产品范围：外径φ168mm-3020mm，壁厚3.0mm-30mm 长度：5m-12m
执行标准：SY/T,GB/T97API SPEC 5L ASTM A252或技术协议。
材 质：Q235（B） Q345(B) L245-L555 A,B级钢 X42-X80
产品包装：喷漆；涂油；防腐保温；坡口或平口；管端保护；打包。
产品应用：石油、煤气、天然气、输水管道、热力发电等普通流体工程
Specifications of spiral pipe:
Size: φ168mm-3020mm W.T 3.0mm-30mm L . 5M-12M
Executive Standard: SY/T,GB/T97API SPEC 5L ASTM A252 and We can also produce special specification according to customers’ re( Technology agreement).
Material: Q235(B) Q345(B) L245-L555, Steel Grade: A, B X42-X80
Packing: spray painting, oiling, Anticorrosion &Insulation , Bevel or plain end, protect of pipe end and packaging.
Applications: Oil, gas, natural gas, water pipelines, thermal power generation projects, such as general fluid.