Stainless Steel Socket Weld Flange is attached to the pipe by a fillet weld around the hub of the flange. The Socket Weld Flange is used in high pressure systems such as hydraulic and steam lines. The Socket Weld Flange is made of optimum grade stainless steel to ensure durability of usage. Stainless Steel Socket Weld Flange comes in various size ranges to suit specific requirement.