Industrial Metal Hemisphere Head is made from materials of grades SA 387, GR22 and CL2. The Hemisphere Head comes with the thickness of 69 mm and is suitable for application in automotive industries. N. J. Heavy Industries manufactures Industrial Metal Hemisphere Head. N. J. Heavy Industries offers a wide range of Dished Ends, Vessel Heads, cones, pressure vessels, Expansion Joints, Elbows and other pressed parts for the process industries. The Industrial Metal Hemisphere Head is available with an inner diameter of 4135 mm.