API 5L High Frequency Welded Steel Tubes
Dia:48-630mm
T:3-18mm
Length:3-13m
Steel Material:Q235A, Q235B, Q345, ASTM A53/106, ASTMA500, ST37,GR.B, X42-80, S275/355
Standards:GB/T3091-2001,GB/T9711.1-1997,API 5L
Applications:civil construction, petrochemical industry, light industry, mainly liquid transferring, mechanical parts etc