Seamless Steel pipe
        Standard:DIN ANSI JIS
Material: ASTM A53/A 106 Gr B/API 5L
       Type: seamless
     Usage:Water transport;structure pipe;Oil development ect.
       Surface treatment:Black paint as rusty protect or as request
Specification:SCH20/40/80/160 
       Welded shape:spiral welded
Section form:round
      Spcial pipe:thick wall pipe
Technique:seamless