elliptic head of carbon steel Standard:ISO9001-2008 GB/T25198-2010 Material:carbonsteel Thickness ... 150mm Diameter:300-12000 ELLIPTIC HEADD:1.Material:mild steel,low alloy steel,carbon steel,stainless steel,clad plate,etc2 .processing scope: Di:300- ... non-destructive testing(UT,RT,MT,PT) carbon sulphur analysis instrument non-contact type temperature measuring apparatus WE-60type omnipotent testing ...