应用
流体管, 锅炉管, 钻杆, 液压管, 煤气管, 输油管, 化肥专用管, 结构管, Other
特殊管
API 管, Other, EMT 管, 壁厚管
Pipe Type
Cold Drawn Seamless Steel
Inside Processing
Honed/Skived/ Burnished Tubes
Material Grade
SAE1020,1045, ST52
Heat Treatment
Stress Relieved (BK+S)
other grade
ST52, ST52.3, E355
Internal Diameter Accuracy
H7, H8, H9
Internal Surface Roughness
Ra0.2~0.8um
Usage
Hydraulic Cylinder Barrel