h8 honed tube for hydraulic cylinder 1,OD:12--650mm,WT:1--100MM 2,Min. Order ... 10 ton 3.fast delivery time h8 honed tube for hydraulic cylinder TypeCarbon Seamless Steel PipePipe Size1/2'--48'(DN15-1200)Wall ... ,X46,X52,X60, X65ST37.0,ST35.8,St37.2,St35.4/8,St42,St45,St52,St52.4STP G38,STP G42,STPT42 ...