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 ... G38,STP G42,STPT42,STB42,STS42,STPT49,STS49ApplicationLow and middle pressure fluid pipeline, boiler, petroleum and natural gas industry, drilling, chemical ...