OD:10m - 406mm WT:0.6mm-20mm Product name: Welded Steel Pipe1) High-frequency welded2) O.D. 10mm-406mm3)W.T. 0.6mm-20mm 4) Steel grade: SPHC, 08AL, 08F, HG5, DF08, Q195-235, M85) Standards: ASTM, API, JIS, DIN, EN, BS, GB Optional Information:1 )Thread ends 2) Plain ends 3) Both inner or outer welded stab can be removed 4) Painting rectangular pipe