... on, blind, socket welding, threaded, lap-joint Pressure: 150#, 300#, 600#,900#,1500#, 2500# Wall thickness for welding neck flange: STD ... /F46/F48/F50/F52/F56/F60/F65/F70 Special Alloy: Inconel 600, Inconel 625, Inconel 718, Inconel X750, Incoloy 800, Incoloy 800H