材质
Q235, Q235B, Q390/Q420/Q460/Q550/Q690etc
应用
流体管, 钻杆, 液压管, 煤气管, 输油管, 化肥专用管, 结构管
认证
CE, RoHS, GS认证, ISO9001
Product name
Spiral Steel Pipe
Standard
GB/T9711 ,GB/T3091
Surface
3PE,Hot Rolled,Galvanized Coating,etc
Usage
Oil Gas Sewage Transport
Steel Grade
Q355B/Q390/Q420/Q460/Q550/Q690