... Material: 27SiMn Certification:GB/T19001-200... 1,Accu-roll unit(OD114—273mm. WALL THICKNESS 6-25mm.LENGTH 6 ... B60005Transmission fluid tube10#,20#,Q295,Q345,Q390300006Structural use of seamless steel tubes10#~45#,40Mn2,35Cr,35CrMo500007Hydraulic pillar tube, ... fertilizer equipment10,20,16Mn,15Mnv,12CrMo,15CrMo90009Structural use of seamless steel tubes10,20,45,35CrMo,40Cr3500010Shipping use of ...