... .size :DN15-3000 2.WT:3-50 3.Material:GR.B 16mn Q235 Q345 ST35.8 STK500 ST52 RG.6 STK400 ... wooded cases or pallets,or as for clients'requirementsapplicationPetroleum, chemical, machinery, electric power, shipbuilding, papermaking, construction, etcSpecial design available as the ...