Steel Grade:
GB/T 13793, GB/T 6728, GB 15831: 
Q195, Q215, Q235, Q275, Q295, Q345, 08F, 08, 08AL, 08F, 10F, 10, HG5, DF08 
EN 10210, EN 10219, BS 1387: S185, S235, S235JR, S235 G2H, S275, S275JR, S355JRH, S355J2H, St12, St13, St14, St33, St37, St44,ST52
ASTM A500, ASTM A 53: Gr. A, Gr B, Gr C, Gr.D, DC01, DC03, 1008, 1010
JIS G 3466: SS330, SS440, SS490, SPHD, SPHE

Process: ERW and Seamless

Size:
Hollow Sections: 
Square:10 mmx10mm - 500 mmx500mm
Retangular:10mm x 20mm - 600mmx400mm
Round: 1/8" - 4" 
Wall Thickness: 0.5 - 20.0mm
Length:0.3 mtr - 18 mtr as customer required