... pipes . ASTM A 106B Seamless carbon steel pipe No. Product Name Product Size(mm ... .0-1620G,15CrMoG, 12CrMoVGGB5310-19952Seamless Steel Tubes for structural purposeΦ10-159 x 1.0 ... -1610,20,35,45,Q345,40Cr,27SiMn,20CrMo,35CrMoGB/T8162-19993Seamless Steel Tubes and pipes for ... attention. Regards,Zoe LeeTianJin Jingtong Seamless Steel Pipe Co., LtdMob:+86-15122781662Tel:+86- ...