We specialize in seamless steel tubes, large-diameter seamless steel tubes, and large-diameter thick-walled seamless steel tubes. The material is made of 20#, 45#, 27SiMn, 16Mn, 15CrMoG, 35CrMo, 12Cr1MoVG and so on. Sales hotline:. Galvanized roll, corrosion resistant galvanized roll, DX51 galvanized roll Shandong Xinsuju Steel Co.,Ltd. , https://www.sawlpipe.com
Seamless tube GB 22-28X2.5-4-6
Seamless tube national standard 32-38-40X3-4-6-8
Seamless tube national standard 42-48X3.5-4-5-8-10
Seamless national standard 51-60X3.5-5-6-7-9
Seamless tube GB 76-89X4.5-6-8-10-12
Seamless national standard 108-133X5-6-8-10-12
Seamless tube GB 159-168X7-8-10-14-18-26
Seamless national standard 194-219X6-8-12-20-26-38
Seamless tube GB 245-273X10-12-14-16-22-15-40
Seamless tube national standard 325-355.6X11-14-16-20-30-40
Seamless tube GB 377-426X11-14-16-20-25-40-45
Seamless tube national standard 426-508X14.2-17.5-22-45-52
Seamless tube GB 530-558.8X16.8-60-70