supply Steel Pipe

1. seamless pipe
   Size: dia10mm-630mm; Material: 10#-45#, Q345A/ B/ C/ D, 27SiMn, 40Cr, 40CrMn, 20CrMn, 30Mn
2. straight weld tubing, galvanized pipe
   Size: dia10mm-630mm; Material: Q195-Q235, 16Mn, Q345A/ B
3. welding square pipe/ rectangular tube/ galvanized square and rectangular pipe
   Size: dia12mm-400mm; Material: Q195-Q235
4. screw seam two submerged-arc welding pipe
   Size: dia159mm-2200mm; Material: Q235B, Q345B